Product Image

Ultra Hair Plus with MSM

NaturesPlus
4.5
★ ★ ★ ★ ★
(71 ratings)
PABA 100 mg
Vitamin B5 50 mg
Biotin 2000 mcg
Choline 100 mg
Thiamin 30 mg
Riboflavin 100 mg
Cysteine 100 mg
Product Image
Score66
A broad hair-support formula supplies useful biotin, vitamin C, and MSM amounts. Modest structural nutrients, a hidden complex, and a crowded ingredient list dilute the result.
How scoring works
Quantity:60 Tablet(s) • (30 servings)
Goals:
Hair Health
Energy
Skin Health
General Health

Score 66

A broad hair-support formula supplies useful biotin, vitamin C, and MSM amounts. Modest structural nutrients, a hidden complex, and a crowded ingredient list dilute the result.
How scoring works
$25.46($0.84 per serving)
iHerb
$ 25.46
Pure Formulas
$ 25.46
Vitacost
$ 26.85
Report prices

Analysis

Biotin, vitamin C, MSM, cysteine, and zinc address nutritional and structural aspects of hair support. The 2,000 mcg biotin and 500 mg amounts of vitamin C and MSM are the clearest strengths.

Calcium methylfolate improves form quality, while most other B vitamins use standard forms. Zinc and cysteine are modest, and the Folligen complex is named without revealing its contents.

The broad tablet may appeal to users who want hair, skin, and general nutrient coverage in one formula. People seeking a cleaner, more focused hair stack may question the many secondary ingredients and shellfish-derived glucosamine.

Who is it for
  • Adults seeking broad hair and skin nutrition
  • Users who want biotin with sulfur compounds
  • People comfortable with a multi-nutrient tablet
Best for
  • Hair-structure nutrient coverage
  • Biotin plus MSM support
  • Combined hair and skin routines

Pros

  • Meaningful biotin amount
  • Substantial vitamin C and MSM
  • Uses methylfolate
  • Includes cysteine and zinc

Cons

  • Folligen complex contents are not disclosed
  • Zinc and cysteine amounts are modest
  • Many B vitamins use standard forms
  • Crowded formula includes weakly relevant extras

Warnings

  • Crustacean-shell glucosamine may not suit people with shellfish allergy.
  • The 2,000 mcg biotin amount can interfere with some laboratory tests; disclose use before blood work.
  • MSM and vitamin C may cause stomach upset or loose stools in sensitive users.

Nutrient quality

62 Moderate impact

The nutrient forms are mixed, with methylfolate and chelated zinc among the better choices. High-dose vitamins and several low-value extras make the formula less balanced.

Ingredient transparency

78 High impact

Every listed active includes an amount and no proprietary blend hides key doses. Intake directions and inactive ingredients are missing from the supplied information.

Customer satisfaction

61 Moderate impact

The favorable rating is based on a relatively small review pool. No review details are available to check repeated complaints or hair-related experiences.

Value for money

60 Moderate impact

The core hair nutrients provide fair value, but several extras add limited practical benefit. Moderate serving value keeps the formula from being especially competitive.

Report analysis

Goals

Hair Health
Healthy Hair Growth CycleScalp Health and Protection
Hair Health
Impact
Highest effect
B+ Goal FitB Strength of SupportB+ CoverageB- Formula Quality
Biotin · 2000 mcgZinc · 5 mgVitamin C · 500 mg

Biotin, MSM, cysteine, zinc, and vitamin C create a broad nutrient-and-structure approach to hair support. Biotin and vitamin C are supplied at meaningful amounts, while sulfur-containing ingredients may support keratin structure.

The botanical complex is hidden and zinc is modest for a hair-focused formula. Several high-dose B vitamins and glucosamine add breadth without clear additional benefit for shedding or thickness.

Study evidence
Biotin Supportive 4 studies
Folate Mixed 15 studies
Vitamin C Mixed 5 studies
Zinc Supportive 22 studies
Energy
Essential Energy Nutrients
Energy
Impact
High effect
B Goal FitB Strength of SupportC+ CoverageC- Formula Quality
Vitamin B5 · 50 mgRiboflavin · 100 mgThiamin · 30 mg

High-dose riboflavin and moderate thiamin and pantothenic acid support several steps in cellular energy metabolism. Active folate adds form quality, while other B vitamins use standard forms.

The hair-focused ingredients do not add meaningful alertness or stress-resilience support. The formula has useful B-vitamin depth but is less focused than a dedicated metabolic B-complex.

Study evidence
Riboflavin Mixed 6 studies
Thiamin Disputed 12 studies
Skin Health
Skin Health
Impact
High effect
B- Goal FitC+ Strength of SupportB+ CoverageC+ Formula Quality
Zinc · 5 mgVitamin C · 500 mg

Vitamin C, MSM, cysteine, zinc, and beta-carotene create a skin- and hair-oriented matrix and antioxidant formula. The absence of collagen peptides or a hydration active limits its structural impact.

Vitamin C and MSM are substantial, while zinc and cysteine are more modest. The formula is broadly coherent for keratin support, though many high-dose B vitamins add limited skin-specific value.

Study evidence
Vitamin C Supportive 53 studies
Zinc Supportive 66 studies
General Health
General Health
Impact
High effect
B- Goal FitB Strength of SupportC CoverageD+ Formula Quality
Folate · 667 mcg DFEZinc · 5 mgVitamin C · 500 mg

A broad vitamin and nutrient blend supplies vitamin C, active folate, several B vitamins, and zinc. Those ingredients can support antioxidant protection, energy metabolism, and common nutritional gaps.

The hair-focused formula also contains many secondary compounds at modest amounts. A partially disclosed botanical complex and low amounts of several extras make the breadth less convincing for general wellness.

Study evidence
Folate Supportive 80 studies
Vitamin C Supportive 56 studies
Zinc Supportive 60 studies
Immunity
Immunity
Impact
Moderate effect
C+ Goal FitB- Strength of SupportC- CoverageD+ Formula Quality
Vitamin C · 500 mgZinc · 5 mgVitamin A · 3000 mcg RAE

Vitamin C reaches a meaningful immune-support amount and vitamin A adds barrier relevance. Most of the formula, however, is designed for hair structure and appearance rather than immune resilience.

The vitamin C amount is transparent, while the botanical complex and several structural ingredients have limited immune value. The crowded tablet formula reduces focus despite a sound vitamin C core.

Study evidence
Vitamin A Supportive 107 studies
Vitamin C Supportive 53 studies
Zinc Supportive 73 studies
Anti-Inflammatory Support
Cellular Defense
Anti-Inflammatory Support
Impact
Moderate effect
C Goal FitC Strength of SupportC- CoverageD+ Formula Quality
Vitamin C · 500 mg

Vitamin C, MSM, and cysteine provide moderate antioxidant and sulfur-related support. The hair-focused formula does not directly cover major inflammatory signaling pathways.

Active folate helps form quality, but plain ascorbic acid and a hidden botanical blend reduce transparency. Crustacean-shell glucosamine makes the formula unsuitable for people who react to shellfish-derived ingredients.

Study evidence
Vitamin C Supportive 50 studies
Vision Support
Macular and Blue Light Defense
Vision Support
Impact
Moderate effect
D+ Goal FitC Strength of SupportD CoverageD- Formula Quality
Zinc · 5 mgVitamin C · 500 mgVitamin A · 3000 mcg RAE

Vitamin C, beta-carotene, riboflavin, and a small zinc amount provide partial eye-related nutrition. The strongest support comes from the antioxidant vitamins rather than a purpose-built ocular combination.

No lutein, zeaxanthin, DHA, or vitamin E is disclosed, and most ingredients target hair structure. The result is broad nutrient coverage with limited depth for vision.

Study evidence
Riboflavin Supportive 69 studies
Vitamin A Supportive 65 studies
Vitamin C Disputed 24 studies
Zinc Supportive 39 studies

Ingredients

IngredientAmount per serving
Vitamin A (Beta-Carotene)
 3000 mcg RAE
Vitamin C (Ascorbic Acid)
 500 mg
Thiamine (Thiamine Hydrochloride, Vitamin B1)
 30 mg
Riboflavin (Vitamin B2)
 100 mg
Niacin (Niacinamide)
 30 mg NE
Vitamin B6 (Pyridoxine Hydrochloride)
 10 mg
Folate (Calcium L-5-Methyltetrahydrofolate)
 667 mcg DFE
Biotin
2000 mcg
Pantothenic Acid (Calcium Pantothenate)
 50 mg
Choline (Choline Bitartrate)
 100 mg
Zinc (Zinc Soy Amino Acid Chelate)
 5 mg
MSM
500 mg
Inositol
200 mg
PABA
100 mg
L-Cysteine
100 mg
Folligen Complex
100 mg
Glucosamine Sulfate (Aminomonosaccharide, Bovine Cartilage, Crustacean shell)
 50 mg
Gluten Free Adults 18–50
Report overview
PABA · 100 mg OverallScore84
A Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyD- Value

The 100 mg amount provides a well-aligned standalone-level dose within the combination. PABA is named directly, and immediate release suits this nutritional amount. Cost efficiency is weak for the PABA amount delivered.

View ingredientView products
Vitamin B5 (Calcium Pantothenate) · 50 mg OverallScore72
A Active Ingredient Quality & BioavailabilityB Dose, Safety & Label TransparencyF Value

Calcium pantothenate provides a stable and well-absorbed B5 form. The 50 mg amount is suitable for general maintenance but not intensive support. No specified problematic excipients are disclosed, but cost efficiency is weak for the active amount.

View ingredientView products
Biotin · 2000 mcg OverallScore66
B- Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyC Value

Biotin is listed without confirming the biologically active d-isomer. The 2000 mcg amount offers more than basic nutritional coverage but remains below the higher target range. The tablet is a conventional delivery format, while the many co-factors support a neutral value assessment.

View ingredientView products
Loading alternative details
70 Performance

Supreme Vital Hair with MSM

LifeTIME
<p>More cysteine, inositol, PABA, and pantothenic acid create deeper hair-focused structural coverage than the original. The very high preformed vitamin A and folic acid are significant drawbacks, so this is not suitable as a casual upgrade for everyone.</p>
71 Performance

Ultra Hair

Natures Plus
<p>Higher choline, inositol, pantothenic acid, and hair-goal alignment make this a more concentrated alternative while retaining biotin, cysteine, zinc, and methylfolate. Very high pyridoxine may raise nerve-symptom risk with prolonged use, and the formula omits MSM.</p>
73 Performance

B-Complex

Metabolic Maintenance
<p>Active riboflavin, active B6, methylcobalamin, and biotin improve B-vitamin form quality compared with several conventional forms in the original. High B6, niacin, and folate make it aggressive, and it does not provide cysteine or MSM.</p>
74 Budget

Balance B-50 Complex Comprehensive Formula

Swanson
<p>Broad B-vitamin coverage, choline, inositol, and PABA provide a much lower-cost nutrient base. Biotin and hair-specific sulfur ingredients are far lighter than in the original, so the formula fits general B-vitamin support better than a dedicated hair goal.</p>
74 Budget

Super B-50

NaturesPlus
<p>Methylfolate, methylcobalamin, and broad B vitamins improve form quality at a lower serving cost. It has much less biotin and no cysteine or MSM, while the high pyridoxine amount reduces long-term suitability.</p>
71 Budget

B Complex

NATURELO Premium Supplements
<p>Active B6, methylfolate, methylcobalamin, and biotin create a balanced lower-cost daily B-vitamin option. It avoids the original’s shellfish-derived glucosamine but provides less biotin and no cysteine or MSM for direct hair-focused coverage.</p>
78 Value

Super Stress B-Complex with Vitamin C

Swanson
<p>Broad B vitamins and vitamin C provide strong everyday nutrient coverage at much better value. Biotin is modest and cysteine and MSM are absent, but the large supply may suit users who need a general nutrient base rather than a dedicated hair formula.</p>
76 Value

B-Complex with Vitamin C Stress Formula

Solgar
<p>A broad vitamin profile with vitamin C, biotin, choline, and inositol offers favorable serving value. Standard forms and an undefined herbal blend reduce refinement, while hair-specific cysteine and MSM are missing.</p>
73 Value

B-Complex 50

The Vitamin Shoppe
<p>Methylcobalamin, biotin, and broad B-vitamin coverage deliver a more economical nutrient base than the original. High pyridoxine limits long-term use, and the formula gives up cysteine and MSM despite retaining choline, inositol, and PABA.</p>
Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. The Infatuation With Biotin Supplementation: Is There Truth Behind Its Rising Popularity? A Comparative Analysis of Clinical Efficacy versus Social Popularity.
    Soleymani T; Lo Sicco K; Shapiro J · Journal of drugs in dermatology : JDD · 2018
    Narrative reviewHair Health forBiotin
  2. Elucidating causal relationships of diet-derived circulating antioxidants and the risk of non-scarring alopecia: A Mendelian randomization study.
    Ba Y; Shen L; Peng X; Zhang Y; Wang J · Medicine · 2024
    Methods validation study201,019 participantsHair Health forVitamin C
  3. Vitamins A, B, C, and D: A Short Review for the Dermatologist.
    Coerdt KM; Goggins CA; Khachemoune A · Alternative therapies in health and medicine · 2021
    Narrative reviewHair Health forBiotin
  4. Alterations of plasma antioxidants and mitochondrial DNA mutation in hair follicles of smokers.
    Liu CS; Chen HW; Lii CK; Tsai CS; Kuo CL; Wei YH · Environmental and molecular mutagenesis · 2002
    Observational studyHair Health forVitamin C
  5. Low serum biotinidase activity in children with valproic acid monotherapy.
    Schulpis KH; Karikas GA; Tjamouranis J; Regoutas S; Tsakiris S · Epilepsia · 2001
    Clinical trial125 participantsHair Health forBiotin
  6. Removal of synthetic hair dye using formamidine sulfinic acid and other sulfinate precursors.
    Hawkes JA; Lewis DM; Mama J; Murray J · International journal of cosmetic science · 2026
    Methods validation studyHair Health forVitamin C
  7. The Role of Sesbania grandiflora-Derived Biotin and Bambusa arundinacea-Derived Silica Extracts in Promoting Hair, Skin, and Nail Health: A Randomized, Double-Blind, Placebo-Controlled Clinical Study.
    Patel MN; Maheshvari J; Patel N · Cureus · 2025
    Randomized trial105 participantsHair Health forBiotin
  8. Management of hair loss associated with endocrine therapy in patients with breast cancer: an overview.
    Karatas F; Sahin S; Sever AR; Altundag K · SpringerPlus · 2016
    Narrative reviewHair Health forVitamin C
  9. A Zinc Sulphate-Resistant Acrodermatitis Enteropathica Patient with a Novel Mutation in SLC39A4 Gene.
    Kilic M; Taskesen M; Coskun T; Gürakan F; Tokatli A; Sivri HS; Dursun A; Schmitt S; Küry S · JIMD reports · 2013
    Case reportHair Health forVitamin C
  10. Efficacy of Vitamin C as Glucocorticoid Substitute for Reducing Pain and Inflammation After Total Hip Arthroplasty: A Randomized Controlled Trial.
    Jiang W; Xu H; Jiang X; Zhan Y; Ju Y; Xie J; Huang Z; Huang Q; Pei F · The Journal of bone and joint surgery. American volume · 2025
    Randomized trial107 participantsAnti-Inflammatory Support forVitamin C
  11. The Impact of Vitamin C on Analgesic, Anti-inflammatory, and Hemostatic Outcomes After Total Hip and Knee Arthroplasty: A Systematic Review and Meta-Analysis.
    Moftakhari Hajimirzaei S; Bagherzadeh Cham M; Dolikhani M; Tabatabaee SM; Ebrahimpour A · The archives of bone and joint surgery · 2026
    Meta-analysis1,162 participants10 studies pooledAnti-Inflammatory Support forVitamin C
  12. The impact of vitamin C supplementation on the perioperative outcomes after total hip and knee arthroplasty: a systematic review and meta-analysis.
    Liu X; Guo J; Li Y; Yang Y; Liu M; Gao Q; Yang Y; Wu X; Yue C · BMC musculoskeletal disorders · 2026
    Meta-analysis852 participants8 studies pooledAnti-Inflammatory Support forVitamin C
  13. Therapeutic Impact of Ascorbic Acid on Oral and Periodontal Tissues: A Systematic Literature Review.
    Ruzijevaite G; Acaite E; Jagelaviciene E · Medicina (Kaunas, Lithuania) · 2025
    Systematic review811 participants17 studies pooledAnti-Inflammatory Support forVitamin C
  14. Oral vitamin C administration reduces early recurrence rates after electrical cardioversion of persistent atrial fibrillation and attenuates associated inflammation.
    Korantzopoulos P; Kolettis TM; Kountouris E; Dimitroula V; Karanikis P; Pappa E; Siogas K; Goudevenos JA · International journal of cardiology · 2005
    Randomized trial44 participantsAnti-Inflammatory Support forVitamin C
  15. Physicochemical properties of and volatile compounds in riboflavin fortified cloudy apple juice; study of its effect on job fatigue among Egyptian construction workers.
    Fouad S; Ibrahim GE; Hussein AMS; Ibrahim FA; El Gendy A · Heliyon · 2021
    Non-randomized trialEnergy forRiboflavin
  16. Vitamin B status in patients with chronic fatigue syndrome.
    Heap LC; Peters TJ; Wessely S · Journal of the Royal Society of Medicine · 1999
    Case-control study30 participantsEnergy forRiboflavin
  17. B-vitamins, related vitamers, and metabolites in patients with quiescent inflammatory bowel disease and chronic fatigue treated with high dose oral thiamine.
    Bager P; Hvas CL; Hansen MM; Ueland P; Dahlerup JF · Molecular medicine (Cambridge, Mass.) · 2023
    Observational studyEnergy forRiboflavin
  18. Metabolic features of chronic fatigue syndrome.
    Naviaux RK; Naviaux JC; Li K; Bright AT; Alaynick WA; Wang L; Baxter A; Nathan N; Anderson W; Gordon E · Proceedings of the National Academy of Sciences of the United States of America · 2024
    Case-control study84 participantsEnergy forRiboflavin
  19. Effectiveness of Riboflavin in Inherited Metabolic Diseases: A Systematic Review
    Bregje Jaeger, Nina N Stolwijk, Femke Aaldering, Charlotte A Ruys, Marije Smits, Nicole I Wolf, Carla E M Hollak, Annet M Bosch · Journal of Inherited Metabolic Disease · 2026
    Systematic review381 studies pooledEnergy forRiboflavin
  20. Influence of thiamin supplementation on the health and general well-being of an elderly Irish population with marginal thiamin deficiency.
    Smidt LJ; Cremin FM; Grivetti LE; Clifford AJ · Journal of gerontology · 1991
    Randomized trial80 participantsEnergy forThiamin
  21. Randomised clinical trial: high-dose oral thiamine versus placebo for chronic fatigue in patients with quiescent inflammatory bowel disease.
    Bager P; Hvas CL; Rud CL; Dahlerup JF · Alimentary pharmacology & therapeutics · 2021
    Randomized trial40 participantsEnergy forThiamin
  22. Dietary reference values for thiamin.
    EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA); Turck D; Bresson JL; Burlingame B; Dean T; Fairweather-Tait S; Heinonen M; Hirsch-Ernst KI; Mangelsdorf I; McArdle HJ; Naska A; Nowicka G; Pentieva K; Sanz Y; Siani A; Sjödin A; Stern M; Tomé D; Van Loveren H; Vinceti M; Willatts P; Lamberg-Allardt C; Przyrembel H; Tetens I; Gudelj Rakic J; Ioannidou S; de Sesmaisons-Lecarré A; Forss AC; Neuhäuser-Berthold M · EFSA journal. European Food Safety Authority · 2026
    Guideline / consensusEnergy forThiamin
  23. Effects of thiamine supplementation on exercise-induced fatigue.
    Suzuki M; Itokawa Y · Metabolic brain disease · 1996
    Randomized trial16 participantsEnergy forThiamin
  24. Long-term maintenance treatment with 300 mg thiamine for fatigue in patients with inflammatory bowel disease: results from an open-label extension of the TARIF study.
    Bager P; Hvas CL; Rud CL; Dahlerup JF · Scandinavian journal of gastroenterology · 2022
    Randomized trialEnergy forThiamin
  25. Intakes of Folate, Vitamin B6, and Vitamin B12 in Relation to All-Cause and Cause-Specific Mortality: A National Population-Based Cohort.
    Bo Y; Xu H; Zhang H; Zhang J; Wan Z; Zhao X; Yu Z · Nutrients · 2022
    Cohort study55,569 participantsGeneral Health forFolate
  26. The responsiveness of plasma homocysteine to small increases in dietary folic acid: a primary care study.
    Schorah CJ; Devitt H; Lucock M; Dowell AC · European journal of clinical nutrition · 1998
    Randomized trial119 participantsGeneral Health forFolate
  27. Associations of Serum Folate and Homocysteine Concentrations with All-Cause, Cardiovascular Disease, and Cancer Mortality in Men and Women in Korea: the Cardiovascular Disease Association Study.
    Song S; Song BM; Park HY · The Journal of nutrition · 2023
    Cohort study21,260 participantsGeneral Health forFolate
  28. The concept of folic acid supplementation and its role in prevention of neural tube defect among pregnant women: PRISMA.
    Seyoum Tola F · Medicine · 2024
    Systematic reviewGeneral Health forFolate
  29. Systematic review of adverse health outcomes associated with high serum or red blood cell folate concentrations.
    Colapinto CK; O'Connor DL; Sampson M; Williams B; Tremblay MS · Journal of public health (Oxford, England) · 2017
    Systematic review71,847 participants46 studies pooledGeneral Health forFolate
  30. Dietary intake and blood concentrations of antioxidants and the risk of cardiovascular disease, total cancer, and all-cause mortality: a systematic review and dose-response meta-analysis of prospective studies.
    Aune D; Keum N; Giovannucci E; Fadnes LT; Boffetta P; Greenwood DC; Tonstad S; Vatten LJ; Riboli E; Norat T · The American journal of clinical nutrition · 2019
    Meta-analysis69 studies pooledGeneral Health forVitamin C
  31. Scientific Opinion on the substantiation of a health claim related to vitamin C and increasing non haem iron absorption pursuant to Article 14 of Regulation (EC) No 1924/2006.
    EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA) · EFSA journal. European Food Safety Authority · 2026
    Guideline / consensusGeneral Health forVitamin C
  32. Vitamin C Depletion and All-Cause Mortality in Renal Transplant Recipients.
    Sotomayor CG; Eisenga MF; Gomes Neto AW; Ozyilmaz A; Gans ROB; Jong WHA; Zelle DM; Berger SP; Gaillard CAJM; Navis GJ; Bakker SJ · Nutrients · 2018
    Cohort study598 participantsGeneral Health forVitamin C
  33. Associations of Serum Biomarkers of Fruit and Vegetable Intake With the Risk of Cause-Specific Mortality and All-Cause Mortality: A National Prospective Cohort Study.
    Pu L; Zhang R; Wang X; Zhao T; Sun H; Han L · Frontiers in nutrition · 2022
    Cohort study12,530 participantsGeneral Health forVitamin C
  34. Relation between plasma ascorbic acid and mortality in men and women in EPIC-Norfolk prospective study: a prospective population study. European Prospective Investigation into Cancer and Nutrition.
    Khaw KT; Bingham S; Welch A; Luben R; Wareham N; Oakes S; Day N · Lancet (London, England) · 2001
    Cohort study19,496 participantsGeneral Health forVitamin C
  35. Effectiveness of sodium bicarbonate and zinc chloride mouthwashes in the treatment of oral mucositis and quality of life in patients with cancer under chemotherapy.
    Mohammadi F; Oshvandi K; Kamallan SR; Khazaei S; Ranjbar H; Ahmadi-Motamayel F; Gillespie M; Jenabi E; Vafaei SY · Nursing open · 2022
    Randomized trial144 participantsGeneral Health forZinc
  36. Zinc supplementation in young children with acute diarrhea in India.
    Sazawal S; Black RE; Bhan MK; Bhandari N; Sinha A; Jalla S · The New England journal of medicine · 1995
    Randomized trial937 participantsGeneral Health forZinc
  37. Associations of mortality with ocular disorders and an intervention of high-dose antioxidants and zinc in the Age-Related Eye Disease Study: AREDS Report No. 13.
    Clemons TE; Kurinij N; Sperduto RD; AREDS Research Group · Archives of ophthalmology (Chicago, Ill. : 1960) · 2004
    Randomized trial4,753 participantsGeneral Health forZinc
  38. Effects of zinc and probiotic co-supplementation on inflammation, gastrointestinal symptoms, quality of life, and mood in irritable bowel syndrome patients.
    Rezazadegan M; Soheilipour M; Amani R · Scientific reports · 2026
    Randomized trial84 participantsGeneral Health forZinc
  39. Effect of zinc sulfate supplementation on premenstrual syndrome and health-related quality of life: Clinical randomized controlled trial.
    Siahbazi S; Behboudi-Gandevani S; Moghaddam-Banaem L; Montazeri A · The journal of obstetrics and gynaecology research · 2018
    Randomized trial142 participantsGeneral Health forZinc
  40. Hair Loss After Metabolic and Bariatric Surgery: a Systematic Review and Meta-analysis.
    Zhang W; Fan M; Wang C; Mahawar K; Parmar C; Chen W; Yang W; Global Bariatric Research Collaborative · Obesity surgery · 2021
    Meta-analysis2,538 participants18 studies pooledHair Health forFolate
  41. Quantitative Analysis of Selected Circulating Hematological Biomarkers, Essential Minerals, Vitamins, and Thyroid Hormones in Females Affected by Hair Loss.
    Al-Fawaeir S; Al-Odat I · Diseases (Basel, Switzerland) · 2025
    Case-control study200 participantsHair Health forFolate
  42. Twelve weeks of protracted venous infusion of fluorouracil (5-FU) is as effective as 6 months of bolus 5-FU and folinic acid as adjuvant treatment in colorectal cancer.
    Saini A; Norman AR; Cunningham D; Chau I; Hill M; Tait D; Hickish T; Iveson T; Lofts F; Jodrell D; Ross PJ; Oates J · British journal of cancer · 2003
    Randomized trialHair Health forFolate
  43. Role of oxaliplatin combined with 5-fluorouracil and folinic acid in the first- and second-line treatment of advanced colorectal cancer.
    Jonker D; Rumble RB; Maroun J; Gastrointestinal Cancer Disease Site Groupof Cancer Care Ontario’s Program in Evidence-Based Care · Current oncology (Toronto, Ont.) · 2012
    Randomized trialHair Health forFolate
  44. Phase I-II study of vinorelbine in combination with 5-fluorouracil and folinic acid as first-line chemotherapy in metastatic breast cancer: a regimen with a low subjective toxic burden.
    Nolè F; de Braud F; Aapro M; Minchella I; De Pas TM; Zampino MG; Monti S; Andreoni G; Goldhirsch A · Annals of oncology : official journal of the European Society for Medical Oncology · 1997
    Randomized trialHair Health forFolate
  45. The effects of minoxidil, 1% pyrithione zinc and a combination of both on hair density: a randomized controlled trial.
    Berger RS; Fu JL; Smiles KA; Turner CB; Schnell BM; Werchowski KM; Lammers KM · The British journal of dermatology · 2003
    Randomized trial200 participantsHair Health forZinc
  46. Incubatory environment of the scalp impacts pre-emergent hair to affect post-emergent hair cuticle integrity.
    Schwartz JR; Henry JP; Kerr KM; Flagler MJ; Page SH; Redman-Furey N · Journal of cosmetic dermatology · 2018
    Randomized trialHair Health forZinc
  47. A comparison of hair quality and cosmetic acceptance following the use of two anti-dandruff shampoos.
    Draelos ZD; Kenneally DC; Hodges LT; Billhimer W; Copas M; Margraf C · The journal of investigative dermatology. Symposium proceedings · 2006
    Randomized trial40 participantsHair Health forZinc
  48. BMI and levels of zinc, copper in hair, serum and urine of Turkish male patients with androgenetic alopecia.
    Ozturk P; Kurutas E; Ataseven A; Dokur N; Gumusalan Y; Gorur A; Tamer L; Inaloz S · Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS) · 2015
    Case-control study216 participantsHair Health forZinc
  49. Analysis of serum zinc and copper concentrations in hair loss.
    Kil MS; Kim CW; Kim SS · Annals of dermatology · 2013
    Case-control study342 participantsHair Health forZinc
  50. Depressed immune response to tetanus in children with vitamin A deficiency.
    Semba RD; Muhilal; Scott AL; Natadisastra G; Wirasasmita S; Mele L; Ridwan E; West KP; Sommer A · The Journal of nutrition · 1992
    Randomized trial236 participantsImmunity forVitamin A
  51. Impact of a single megadose of vitamin A at delivery on breastmilk of mothers and morbidity of their infants.
    Roy SK; Islam A; Molla A; Akramuzzaman SM; Jahan F; Fuchs G · European journal of clinical nutrition · 1997
    Randomized trial50 participantsImmunity forVitamin A
  52. Vitamin A supplementation reduces measles morbidity in young African children: a randomized, placebo-controlled, double-blind trial.
    Coutsoudis A; Broughton M; Coovadia HM · The American journal of clinical nutrition · 1991
    Randomized trial60 participantsImmunity forVitamin A
  53. Vitamin A supplementation enhances specific IgG antibody levels and total lymphocyte numbers while improving morbidity in measles.
    Coutsoudis A; Kiepiela P; Coovadia HM; Broughton M · The Pediatric infectious disease journal · 1992
    Randomized trial60 participantsImmunity forVitamin A
  54. Vitamin A supplementation reduces the monocyte chemoattractant protein-1 intestinal immune response of Mexican children.
    Long KZ; Santos JI; Estrada Garcia T; Haas M; Firestone M; Bhagwat J; Dupont HL; Hertzmark E; Rosado JL; Nanthakumar NN · The Journal of nutrition · 2006
    Randomized trial127 participantsImmunity forVitamin A
  55. Vitamin C and contribution to the normal function of the immune system: evaluation of a health claim pursuant to Article 14 of Regulation (EC) No 1924/2006.
    EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA) · EFSA journal. European Food Safety Authority · 2026
    Guideline / consensusImmunity forVitamin C
  56. Therapeutic effects of high-dose vitamin C supplementation in patients with COVID-19: a meta-analysis.
    Sun L; Zhao JH; Fan WY; Feng B; Liu WW; Chen RQ; Ban C; Dang AG; Wang M; Luo KT; Zhou GY; Yu FF; Ba Y · Nutrition reviews · 2024
    Meta-analysis2,334 participants14 studies pooledImmunity forVitamin C
  57. Effect of micronutrient supplements on influenza and other respiratory tract infections among adults: a systematic review and meta-analysis.
    Abioye AI; Bromage S; Fawzi W · BMJ global health · 2021
    Meta-analysisImmunity forVitamin C
  58. New evidence for antioxidant properties of vitamin C.
    Vojdani A; Bazargan M; Vojdani E; Wright J · Cancer detection and prevention · 2001
    Randomized trial20 participantsImmunity forVitamin C
  59. Enhanced Vitamin C Delivery: A Systematic Literature Review Assessing the Efficacy and Safety of Alternative Supplement Forms in Healthy Adults.
    Calder PC; Kreider RB; McKay DL · Nutrients · 2025
    Systematic review13 studies pooledImmunity forVitamin C
  60. Nutrient supplementation for prevention of viral respiratory tract infections in healthy subjects: A systematic review and meta-analysis.
    Vlieg-Boerstra B; de Jong N; Meyer R; Agostoni C; De Cosmi V; Grimshaw K; Milani GP; Muraro A; Oude Elberink H; Pali-Schöll I; Roduit C; Sasaki M; Skypala I; Sokolowska M; van Splunter M; Untersmayr E; Venter C; O'Mahony L; Nwaru BI · Allergy · 2022
    Meta-analysis199,055 participants115 studies pooledImmunity forZinc
  61. Zinc supplementation reduces the incidence of acute lower respiratory infections in infants and preschool children: a double-blind, controlled trial.
    Sazawal S; Black RE; Jalla S; Mazumdar S; Sinha A; Bhan MK · Pediatrics · 1998
    Randomized trial609 participantsImmunity forZinc
  62. A randomized controlled trial of zinc supplementation in the treatment of acute respiratory tract infection in Thai children.
    Rerksuppaphol S; Rerksuppaphol L · Pediatric reports · 2020
    Randomized trial64 participantsImmunity forZinc
  63. The effect of zinc and vitamin A supplementation on immune response in an older population.
    Fortes C; Forastiere F; Agabiti N; Fano V; Pacifici R; Virgili F; Piras G; Guidi L; Bartoloni C; Tricerri A; Zuccaro P; Ebrahim S; Perucci CA · Journal of the American Geriatrics Society · 1998
    Randomized trial136 participantsImmunity forZinc
  64. The role of specific nutrients in preventing immune system and blood cell disorders: an umbrella review.
    Vecchietti A; Strano P; Minutolo G; Grieco V; Cappuccio G; Granvillano G; Confalonieri L; Briganti GL; Raso E; Chimienti M; Pellegrini M; Mercogliano M; Spatari G; Lugli C; Urbano T; Lorenzon A · Journal of preventive medicine and hygiene · 2026
    Systematic review13 studies pooledImmunity forZinc
  65. Evaluation of the anti-wrinkle effect of an ascorbic acid-loaded dissolving microneedle patch via a double-blind, placebo-controlled clinical study.
    Lee C; Yang H; Kim S; Kim M; Kang H; Kim N; An S; Koh J; Jung H · International journal of cosmetic science · 2017
    Randomized trial23 participantsSkin Health forVitamin C
  66. Comparative Study on the Outcome of Periorbital Wrinkles Treated with Laser-Assisted Delivery of Vitamin C or Vitamin C Plus Growth Factors: A Randomized, Double-blind, Clinical Trial.
    Machado BHB; Frame J; Zhang J; Najlah M · Aesthetic plastic surgery · 2021
    Randomized trial149 participantsSkin Health forVitamin C
  67. Randomized trial of topical ascorbic acid in DMSO versus imiquimod for the treatment of basal cell carcinoma.
    Burke B; Bailie JE · Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie · 2022
    Randomized trial25 participantsSkin Health forVitamin C
  68. Vitamin C improves healing of foot ulcers: a randomised, double-blind, placebo-controlled trial.
    Gunton JE; Girgis CM; Lau T; Vicaretti M; Begg L; Flood V · The British journal of nutrition · 2022
    Randomized trial16 participantsSkin Health forVitamin C
  69. Dietary nutrient intakes and skin-aging appearance among middle-aged American women.
    Cosgrove MC; Franco OH; Granger SP; Murray PG; Mayes AE · The American journal of clinical nutrition · 2007
    Cross-sectional study4,025 participantsSkin Health forVitamin C
  70. Sex-related differences in response to zinc pyrithione shampoo vs. non-anti-dandruff shampoo.
    Collins LZ; Baines FL; Matheson JR; Turner GA; Diao Y; Li Y; Pi Y · International journal of cosmetic science · 2019
    Meta-analysis2,088 participants20 studies pooledSkin Health forZinc
  71. Maintenance of an Acidic Skin Surface with a Novel Zinc Lactobionate Emollient Preparation Improves Skin Barrier Function in Patients with Atopic Dermatitis.
    Andrew PV; Pinnock A; Poyner A; Brown K; Chittock J; Kay LJ; Cork MJ; Danby SG · Dermatology and therapy · 2024
    Cohort study23 participantsSkin Health forZinc
  72. Spatial expression of metallothionein, matrix metalloproteinase-1 and Ki-67 in human epidermal wounds treated with zinc and determined by quantitative immunohistochemistry: A randomised double-blind trial.
    Ågren MS; Chafranska L; Eriksen JO; Forman JL; Bjerrum MJ; Schjerling P; Larsen HF; Cottarelli E; Jorgensen LN; Gjerdrum LMR · European journal of cell biology · 2021
    Randomized trial30 participantsSkin Health forZinc
  73. A pilot trial using topical regular crystalline insulin vs. aqueous zinc solution for uncomplicated cutaneous wound healing: Impact on quality of life.
    Attia EA; Belal DM; El Samahy MH; El Hamamsy MH · Wound repair and regeneration : official publication of the Wound Healing Society [and] the European Tissue Repair Society · 2014
    Randomized trial90 participantsSkin Health forZinc
  74. Evidence-Based Nutritional Interventions in Wound Care.
    Saeg F; Orazi R; Bowers GM; Janis JE · Plastic and reconstructive surgery · 2021
    Systematic review2,339 participants36 studies pooledSkin Health forZinc
  75. U.S. Multicenter Clinical Trial of Corneal Collagen Crosslinking for Treatment of Corneal Ectasia after Refractive Surgery.
    Hersh PS; Stulting RD; Muller D; Durrie DS; Rajpal RK; U.S. Crosslinking Study Group · Ophthalmology · 2017
    Randomized trial179 participantsVision Support forRiboflavin
  76. United States Multicenter Clinical Trial of Corneal Collagen Crosslinking for Keratoconus Treatment.
    Hersh PS; Stulting RD; Muller D; Durrie DS; Rajpal RK; United States Crosslinking Study Group · Ophthalmology · 2017
    Randomized trial205 participantsVision Support forRiboflavin
  77. EpiSmart Crosslinking for Keratoconus: A Phase 2 Study.
    Epstein RJ; Belin MW; Gravemann D; Littner R; Rubinfeld RS · Cornea · 2023
    Randomized trial2,228 participantsVision Support forRiboflavin
  78. Prospective Randomized Trial of Corneal Cross-linking Riboflavin Dosing Frequencies for Treatment of Keratoconus and Corneal Ectasia.
    Price MO; Fairchild K; Feng MT; Price FW · Ophthalmology · 2019
    Randomized trial510 participantsVision Support forRiboflavin
  79. Corneal collagen cross-linking for keratoconus: results of 3-year follow-up in Pakistani population.
    Khan WA; Zaheer N; Khan S · Canadian journal of ophthalmology. Journal canadien d'ophtalmologie · 2015
    Non-randomized trial66 participantsVision Support forRiboflavin
  80. A randomized trial of vitamin A and vitamin E supplementation for retinitis pigmentosa.
    Berson EL; Rosner B; Sandberg MA; Hayes KC; Nicholson BW; Weigel-DiFranco C; Willett W · Archives of ophthalmology (Chicago, Ill. : 1960) · 1993
    Randomized trial601 participantsVision Support forVitamin A
  81. Efficacy and safety of retinol palmitate ophthalmic solution in the treatment of dry eye: a Japanese Phase II clinical trial.
    Toshida H; Funaki T; Ono K; Tabuchi N; Watanabe S; Seki T; Otake H; Kato T; Ebihara N; Murakami A · Drug design, development and therapy · 2018
    Randomized trial66 participantsVision Support forVitamin A
  82. Vitamin A supplementation for preventing morbidity and mortality in children from six months to five years of age.
    Imdad A; Mayo-Wilson E; Haykal MR; Regan A; Sidhu J; Smith A; Bhutta ZA · The Cochrane database of systematic reviews · 2022
    Meta-analysis1,223,856 participants47 studies pooledVision Support forVitamin A
  83. Vitamin A supplementation improves retinal function in infants at risk of retinopathy of prematurity.
    Mactier H; McCulloch DL; Hamilton R; Galloway P; Bradnam MS; Young D; Lavy T; Farrell L; Weaver LT · The Journal of pediatrics · 2012
    Randomized trial89 participantsVision Support forVitamin A
  84. Effect of short-term, high-dose retinol on dark adaptation in aging and early age-related maculopathy.
    Owsley C; McGwin G; Jackson GR; Heimburger DC; Piyathilake CJ; Klein R; White MF; Kallies K · Investigative ophthalmology & visual science · 2006
    Randomized trial104 participantsVision Support forVitamin A
  85. Role of Oral Vitamin 'C' on Astigmatic Errors in Phacoemulsification.
    Mohan S; Sah K; Khattri M; Ahmad L; Sachan SK · Current eye research · 2021
    Randomized trial400 participantsVision Support forVitamin C
  86. Ascorbic acid metabolites are involved in intraocular pressure control in the general population.
    Hysi PG; Khawaja AP; Menni C; Tamraz B; Wareham N; Khaw KT; Foster PJ; Benet LZ; Spector TD; Hammond CJ · Redox biology · 2019
    Observational studyVision Support forVitamin C
  87. Nutritional modulation of cataract.
    Weikel KA; Garber C; Baburins A; Taylor A · Nutrition reviews · 2014
    Narrative reviewVision Support forVitamin C
  88. Dietary n-3 Fatty Acid, α-Tocopherol, Zinc, vitamin D, vitamin C, and β-carotene are Associated with Age-Related Macular Degeneration in Japan.
    Aoki A; Inoue M; Nguyen E; Obata R; Kadonosono K; Shinkai S; Hashimoto H; Sasaki S; Yanagi Y · Scientific reports · 2017
    Case-control study530 participantsVision Support forVitamin C
  89. Adherence to a Mediterranean diet, lifestyle and age-related macular degeneration: the Coimbra Eye Study - report 3.
    Raimundo M; Mira F; Cachulo MDL; Barreto P; Ribeiro L; Farinha C; Laíns I; Nunes S; Alves D; Figueira J; Merle BM; Delcourt C; Santos L; Silva R · Acta ophthalmologica · 2019
    Case-control study883 participantsVision Support forVitamin C
  90. Antioxidant vitamin and mineral supplements for age-related macular degeneration.
    Evans JR · The Cochrane database of systematic reviews · 2002
    Systematic review170 participants7 studies pooledVision Support forZinc
  91. Antioxidant vitamin and mineral supplements for slowing the progression of age-related macular degeneration.
    Evans JR; Lawrenson JG · The Cochrane database of systematic reviews · 2023
    Meta-analysis3,790 participants5 studies pooledVision Support forZinc
  92. Oral zinc in macular degeneration.
    Newsome DA; Swartz M; Leone NC; Elston RC; Miller E · Archives of ophthalmology (Chicago, Ill. : 1960) · 1988
    Randomized trial151 participantsVision Support forZinc
  93. A randomized, placebo-controlled, clinical trial of high-dose supplementation with vitamins C and E, beta carotene, and zinc for age-related macular degeneration and vision loss: AREDS report no. 8.
    Age-Related Eye Disease Study Research Group · Archives of ophthalmology (Chicago, Ill. : 1960) · 2001
    Randomized trial3,640 participantsVision Support forZinc
  94. Effect of vitamin A and zinc supplementation on the nutriture of children in Northeast Thailand.
    Udomkesmalee E; Dhanamitta S; Sirisinha S; Charoenkiatkul S; Tuntipopipat S; Banjong O; Rojroongwasinkul N; Kramer TR; Smith JC · The American journal of clinical nutrition · 1992
    Randomized trial133 participantsVision Support forZinc