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Hair Skin & Nails

Nature's Truth
4.7
★ ★ ★ ★ ★
(4692 ratings)
Biotin 5000 mcg
PABA 10 mg
Niacin 25 mg
Silicon 30 mg
Product Image
Score70
Best suited to hair health, with the clearest benefits coming from the disclosed active ingredients. Biotin is most useful in deficiency, while the collagen amount is far below common structural-support servings and silicon uses a less absorbable form.
How scoring works
Quantity:165 Softgel(s) • (55 servings)
Goals:
Hair Health
Nail Health
Skin Health

Score 70

Best suited to hair health, with the clearest benefits coming from the disclosed active ingredients. Biotin is most useful in deficiency, while the collagen amount is far below common structural-support servings and silicon uses a less absorbable form.
How scoring works
$13.99($0.25 per serving)
iHerb
$ 16.36
Amazon
$ 13.99
Walmart
$ 13.99
Report prices

Analysis

Natural vitamin E, vitamin C, zinc, biotin, and a broader set of targeted ingredients provide relevant nutritional support. Collagen, hyaluronic acid, horsetail, and oils are too lightly dosed to offer much structural depth, while duplicate vitamin A entries create uncertainty. The 5,000 mcg biotin amount can interfere with thyroid, hormone, and cardiac laboratory tests.

Biotin, zinc, collagen, silicon, and antioxidant vitamins create broad hair-support coverage. Biotin is most useful in deficiency, while the collagen amount is far below common structural-support servings and silicon uses a less absorbable form. The active amounts are transparent, but several headline ingredients contribute only token support.

Vitamin C, vitamin E, zinc, silica, collagen, and hyaluronic acid touch several important skin pathways. The formula looks comprehensive, but collagen and hyaluronic acid are present only in trace amounts compared with studied oral doses. High-dose biotin and antioxidant vitamins provide more nutritional depth than the headline structural actives.

Who is it for
  • People seeking hair health support
  • People seeking nail health support
  • People seeking skin health support
Best for
  • Hair Health
  • Nail Health
  • Skin Health

Pros

  • Natural vitamin E, vitamin C, zinc, biotin, and a broader set of targeted ingredients provide relevant nutritional support.
  • Collagen, hyaluronic acid, horsetail, and oils are too lightly dosed to offer much structural depth, while duplicate vitamin A entries create uncertainty.
  • The 5,000 mcg biotin amount can interfere with thyroid, hormone, and cardiac laboratory tests.
  • Biotin, zinc, collagen, silicon, and antioxidant vitamins create broad hair-support coverage.
  • The high biotin amount may interfere with some thyroid, hormone, and cardiac blood tests, so it should be disclosed before laboratory testing.

Cons

  • Biotin is most useful in deficiency, while the collagen amount is far below common structural-support servings and silicon uses a less absorbable form.
  • The active amounts are transparent, but several headline ingredients contribute only token support.
  • The collagen and hyaluronic acid additions are far too small to provide meaningful structural support.
  • D-biotin and major vitamin amounts are clearly disclosed, while many secondary beauty ingredients are token-dosed.
  • The formula looks comprehensive, but collagen and hyaluronic acid are present only in trace amounts compared with studied oral doses.

Warnings

  • The 5,000 mcg biotin amount can interfere with thyroid, hormone, and cardiac laboratory tests.
  • The high biotin amount may interfere with some thyroid, hormone, and cardiac blood tests, so it should be disclosed before laboratory testing.
  • High-dose biotin can interfere with thyroid, cardiac, and other laboratory tests.
  • The biotin amount can distort thyroid, cardiac, hormone, and other laboratory test results, so its use should be disclosed before blood testing.
  • A broad set of added nutrients supports the formula value, but high-dose biotin can interfere with some lab tests and should be disclosed before testing.

Nutrient quality

62 Moderate impact

D-biotin, vitamin D3, and natural vitamin E are good form choices. Tiny structural ingredients and several basic vitamin forms limit the formula.

Ingredient transparency

75 High impact

The supplied facts disclose active amounts without a hidden blend. Duplicate vitamin A and thiamine entries plus absent excipient details leave some ambiguity.

Customer satisfaction

72 High impact

The supplied average rating is strong and supported by a large review base. No review text is available to identify repeated complaints or goal-specific experiences.

Value for money

74 High impact

Several good vitamin forms and a meaningful biotin dose support sound value. Token-dose structural ingredients keep the formula from fully delivering on its broad label.

Report analysis

Goals

Hair Health
Hair Health
Impact
High effect
A Goal FitC Strength of SupportB CoverageC+ Formula Quality
Biotin · 5000 mcgVitamin D · 50 mcgZinc · 7.5 mgVitamin C · 90 mgCollagen · 60 mg

Biotin, zinc, collagen, silicon, and antioxidant vitamins create broad hair-support coverage. Biotin is most useful in deficiency, while the collagen amount is far below common structural-support servings and silicon uses a less absorbable form.

The active amounts are transparent, but several headline ingredients contribute only token support. The high biotin amount may interfere with some thyroid, hormone, and cardiac blood tests, so it should be disclosed before laboratory testing.

Study evidence
Biotin Supportive 4 studies
Collagen Supportive 3 studies
Horsetail Not classified

No linked studies yet.

Silicon Supportive 2 studies
Zinc Supportive 22 studies
Nail Health
Nail Health
Impact
High effect
B+ Goal FitB- Strength of SupportB CoverageC Formula Quality
Silicon · 30 mgCollagen · 60 mgBiotin · 5000 mcgHorsetail · 3 mg

Biotin, silica, zinc, and supportive vitamins create broad relevance to nail growth and strength. The collagen and hyaluronic acid additions are far too small to provide meaningful structural support.

D-biotin and major vitamin amounts are clearly disclosed, while many secondary beauty ingredients are token-dosed. High-dose biotin can interfere with thyroid, cardiac, and other laboratory tests.

Study evidence
Biotin Supportive 8 studies
Collagen Supportive 4 studies
Horsetail Not classified

No linked studies yet.

Silicon Supportive 2 studies
Zinc No effect 1 study
Skin Health
Skin Health
Impact
Moderate effect
B- Goal FitD+ Strength of SupportC+ CoverageC- Formula Quality
Hyaluronic Acid · 1 mgZinc · 7.5 mgVitamin C · 90 mgCollagen · 60 mgSelenium · 12.5 mcgSilicon · 30 mgVitamin E · 20 mg

Vitamin C, vitamin E, zinc, silica, collagen, and hyaluronic acid touch several important skin pathways. The formula looks comprehensive, but collagen and hyaluronic acid are present only in trace amounts compared with studied oral doses.

High-dose biotin and antioxidant vitamins provide more nutritional depth than the headline structural actives. The biotin amount can distort thyroid, cardiac, hormone, and other laboratory test results, so its use should be disclosed before blood testing.

Study evidence
Biotin Supportive 10 studies
Collagen Supportive 62 studies
Silicon Supportive 16 studies
Vitamin C Supportive 53 studies
Vitamin E Supportive 38 studies
Zinc Supportive 66 studies

Ingredients

IngredientAmount per serving
Calories
20 Calorie(s)
Total Fat
1 Gram(s)
Vitamin A (Beta-Carotene, Retinyl Palmitate)
 1500 mcg
Vitamin C (Ascorbic Acid)
 90 mg
Vitamin D3 (Cholecalciferol)
 50 mcg
Vitamin E (D-Alpha-Tocopherol)
 20 mg
Thiamine (Thiamine Mononitrate, Vitamin B1)
 5 mg
Riboflavin (Vitamin B2)
 5 mg
Niacin (Niacinamide)
 25 mg
Vitamin B6 (Pyridoxine Hydrochloride)
 5 mg
Folate
666 mcg DFE
Vitamin B12 (Cyanocobalamin)
 8 mcg
Biotin (D-Biotin)
 5000 mcg
Pantothenic Acid (D-Calcium Pantothenate)
 15 mg
Zinc (Zinc Gluconate)
 7.5 mg
Selenium (Selenium Yeast)
 12.5 mcg
Argan Oil
25 mg
Para-Aminobenzoic Acid
10 mg
Horsetail aerial parts extract
3 mg
Collagen, Hydrolyzed
60 mg
Hyaluronic Acid (Sodium Hyaluronate)
 1 mg
Silica (Silicon Dioxide)
 30 mg
Coconut Oil, Virgin
30 mg
Gluten Free Adults 18–50 Dairy Free
Report overview
Biotin (D-Biotin) · 5000 mcg OverallScore92
A+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyC Value

The stated d-biotin form and targeted dose align well with hair and nail use. The liquid softgel presents the amount clearly and uses no disclosed artificial colors or sweeteners. A broad set of added nutrients supports the formula value, but high-dose biotin can interfere with some lab tests and should be disclosed before testing.

View ingredientView products
PABA · 10 mg OverallScore72
A Active Ingredient Quality & BioavailabilityB- Dose, Safety & Label TransparencyD- Value

The clearly identified PABA is a standard reliable source, but the low dose offers limited support for someone specifically seeking PABA. Rapid-release softgels are acceptable for this small amount, and the label states the active quantity directly. The low PABA yield per serving makes the product poor value for PABA-focused use despite its broader nutrient blend.

View ingredientView products
Niacin (Niacinamide) · 25 mg OverallScore70
A Active Ingredient Quality & BioavailabilityC- Dose, Safety & Label TransparencyC Value

Niacinamide is well aligned with a skin-focused formula. The 25 mg amount falls outside the preferred range for this form. Clear form disclosure helps users understand the likely effects, but no-flush labeling is absent.

View ingredientView products
Loading alternative details
52 Performance

Hair

Codeage
<p>Its label clearly provides 1585 mcg of Vitamin A as Beta-Carotene and 5 mg of BioPerine as Black Pepper Fruit Extract, making it a more clearly defined niacin and biotin and silicon option. Compared with the original, its ingredient and goal alignment is stronger, although it does not retain the original product’s paba coverage.</p>
76 Performance

Heavenly Hair Tropical Citrus

OLLY
<p>Its label clearly provides 25 mg of Horsetail extract, making it a more clearly defined biotin and silicon option. Compared with the original, its ingredient and goal alignment is stronger, although it does not retain the original product’s niacin and paba coverage.</p>
75 Performance

Max B-ND

Premier Research Labs
<p>Its label clearly provides 1 mg of Thiamine as Thiamine Hydrochloride, making it a more clearly defined niacin and biotin option. Compared with the original, its ingredient and goal alignment is stronger, although it does not retain the original product’s silicon and paba coverage.</p>
72 Budget

Extra Strength Hair Skin & Nails

Nature's Bounty Optimal Solutions
<p>Its label clearly provides 3 mg of Horsetail, preserving relevant niacin and biotin and paba coverage. Compared with the original, it lowers the serving cost, although it does not retain the original product’s silicon coverage.</p>
81 Budget

B-Complex with Folic Acid plus Vitamin C

Nature's Bounty
<p>Its label clearly provides 120 mg of Vitamin C as Ascorbic Acid, preserving relevant niacin and biotin coverage. Compared with the original, it lowers the serving cost, although it does not retain the original product’s silicon and paba coverage.</p>
71 Budget

Extra Strength Hair Skin & Nails

Spring Valley
<p>Its label clearly provides 5 mg of Riboflavin as Vitamin B2, preserving relevant niacin and biotin and silicon and paba coverage. Compared with the original, it lowers the serving cost, although the input does not provide independent testing or absorption evidence.</p>
77 Value

Hair Ultra Softgels

OLLY
<p>Its label clearly provides 20 mcg of Vitamin D as Cholecalciferol, keeping the formula relevant to biotin and silicon. Compared with the original, the somewhat higher serving cost and ingredient detail create a useful quality-to-cost balance, although it does not retain the original product’s niacin and paba coverage.</p>
68 Value

Alive! Hair Skin & Nails Gummies Delicious Strawberry Flavored

Nature's Way
<p>Its label clearly provides 450 mcg of Vitamin A as Retinyl Palmitate, keeping the formula relevant to biotin and silicon. Compared with the original, the somewhat higher serving cost and ingredient detail create a useful quality-to-cost balance, although it does not retain the original product’s niacin and paba coverage.</p>
57 Value

Once Daily High Energy Iron Free Multivitamin

Solaray
<p>Its label clearly provides 7500 mcg of Vitamin A as Beta-Carotene, keeping the formula relevant to niacin and paba. Compared with the original, the somewhat higher serving cost and ingredient detail create a useful quality-to-cost balance, although it does not retain the original product’s biotin and silicon coverage.</p>
Report alternatives

Sources

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

  1. Effect of oral intake of choline-stabilized orthosilicic acid on skin, nails and hair in women with photodamaged skin.
    Barel A; Calomme M; Timchenko A; De Paepe K; Demeester N; Rogiers V; Clarys P; Vanden Berghe D · Archives of dermatological research · 2006
    Randomized trial50 participantsSkin Health Hair Health Nail Health forSilicon
  2. 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 Nail Health Skin Health forBiotin Skin Health forSilicon
  3. 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
  4. 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
  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 Skin Health forBiotin
  6. Low-Molecular-Weight Collagen Peptide Supplementation Improves Cellulite Severity, Skin Elasticity, and Hair Shaft Diameter: A Clinical Study with Pharmacokinetic Evaluation.
    Hwang S; Won J; Kim S; Kang W; Park M · Journal of medicinal food · 2026
    Randomized trial114 participantsHair Health forCollagen
  7. Calcium and Vitamin D Supplementation with and Without Collagen on Bone Density and Skin Elasticity in Menopausal Women-A Randomized Controlled Study.
    Duangjai A; Srivilai J; Nangola S; Amornlerdpison D · Clinics and practice · 2025
    Randomized trialHair Health forCollagen
  8. Dietary Collagen Supplementation as a Strategy for Skin Health: A Narrative Review of Clinical Effects on Skin, Hair, Nails, and Wound Healing.
    Biełach-Bazyluk A; Jurga M; Flisiak I; Zbroch E · Nutrients · 2026
    Narrative reviewHair Health forCollagen
  9. Effect of oral intake of choline-stabilized orthosilicic acid on hair tensile strength and morphology in women with fine hair
    R R Wickett, E Kossmann, A Barel, N Demeester, P Clarys, D Vanden Berghe, M Calomme · Archives of Dermatological Research · 2007
    Randomized trial48 participantsHair Health forSilicon
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. Biotin for the treatment of nail disease: what is the evidence?
    Lipner SR; Scher RK · The Journal of dermatological treatment · 2018
    Narrative reviewNail Health forBiotin
  16. Treatment of brittle fingernails and onychoschizia with biotin: scanning electron microscopy.
    Colombo VE; Gerber F; Bronhofer M; Floersheim GL · Journal of the American Academy of Dermatology · 1991
    Other32 participantsNail Health forBiotin
  17. Treatment of brittle nail with a hydroxypropyl chitosan-based lacquer, alone or in combination with oral biotin: A randomized, assessor-blinded trial.
    Chiavetta A; Mazzurco S; Secolo MP; Tomarchio G; Milani M · Dermatologic therapy · 2020
    Randomized trial50 participantsNail Health forBiotin
  18. Vitamins and minerals: their role in nail health and disease.
    Scheinfeld N; Dahdah MJ; Scher R · Journal of drugs in dermatology : JDD · 2007
    Narrative reviewNail Health forBiotin Nail Health forZinc
  19. Oral supplementation with specific bioactive collagen peptides improves nail growth and reduces symptoms of brittle nails.
    Hexsel D; Zague V; Schunck M; Siega C; Camozzato FO; Oesser S · Journal of cosmetic dermatology · 2018
    Single-arm trial25 participantsNail Health forCollagen
  20. Influence of collagen peptide supplementation on visible signs of skin and nail health and -aging in an East Asian population: A double blind, randomized, placebo-controlled trial.
    Vleminckx S; Virgilio N; Asserin J; Prawitt J; Silva CIF · Journal of cosmetic dermatology · 2024
    Randomized trial85 participantsNail Health forCollagen
  21. Nail Supplements: When, How, and Why?
    Zaraa I; Richert B · Skin appendage disorders · 2026
    Narrative reviewNail Health forCollagen Nail Health forSilicon
  22. Expanding the COL7A1 mutation database: novel and recurrent mutations and unusual genotype-phenotype constellations in 41 patients with dystrophic epidermolysis bullosa.
    Kern JS; Kohlhase J; Bruckner-Tuderman L; Has C · The Journal of investigative dermatology · 2006
    Observational study41 participantsNail Health forCollagen
  23. Evaluation of biophysical skin parameters and hair changes in patients with acne vulgaris treated with isotretinoin, and the effect of biotin use on these parameters.
    Aksac SE; Bilgili SG; Yavuz GO; Yavuz IH; Aksac M; Karadag AS · International journal of dermatology · 2021
    Non-randomized trial60 participantsSkin Health forBiotin
  24. Generalized seborrhoeic dermatitis. Clinical and therapeutic data of 25 patients.
    Messaritakis J; Kattamis C; Karabula C; Matsaniotis N · Archives of disease in childhood · 1976
    Non-randomized trial25 participantsSkin Health forBiotin
  25. Holocarboxylase synthetase deficiency: novel clinical and molecular findings.
    Tammachote R; Janklat S; Tongkobpetch S; Suphapeetiporn K; Shotelersuk V · Clinical genetics · 2010
    Case series4 participantsSkin Health forBiotin
  26. Exploring the Impact of Hydrolyzed Collagen Oral Supplementation on Skin Rejuvenation: A Systematic Review and Meta-Analysis.
    Dewi DAR; Arimuko A; Norawati L; Yenny SW; Setiasih NL; Perdiyana A; Arkania N; Nadhira F; Wiliantari N · Cureus · 2024
    Meta-analysis967 participants14 studies pooledSkin Health forCollagen
  27. Effects of collagen-based supplements on skin's hydration and elasticity: A systematic review and meta-analysis.
    Danessa G; Notario D; Regina R · Indian journal of dermatology, venereology and leprology · 2025
    Meta-analysis646 participants10 studies pooledSkin Health forCollagen
  28. Oral intake of collagen peptide NS improves hydration, elasticity, desquamation, and wrinkling in human skin: a randomized, double-blinded, placebo-controlled study.
    Lee M; Kim E; Ahn H; Son S; Lee H · Food & function · 2023
    Randomized trial100 participantsSkin Health forCollagen
  29. Oral Intake of Low-Molecular-Weight Collagen Peptide Improves Hydration, Elasticity, and Wrinkling in Human Skin: A Randomized, Double-Blind, Placebo-Controlled Study.
    Kim DU; Chung HC; Choi J; Sakai Y; Lee BY · Nutrients · 2018
    Randomized trial64 participantsSkin Health forCollagen
  30. Effects of hydrolyzed collagen supplementation on skin aging: a systematic review and meta-analysis.
    de Miranda RB; Weimer P; Rossi RC · International journal of dermatology · 2021
    Meta-analysis1,125 participants19 studies pooledSkin Health forCollagen
  31. The Efficacy of a Silicone Sheet in Postoperative Scar Management.
    Kim JS; Hong JP; Choi JW; Seo DK; Lee ES; Lee HS · Advances in skin & wound care · 2018
    Randomized trialSkin Health forSilicon
  32. A non-inferiority study to compare the effect of silica gel fiber dressing with alginate dressing on healing of venous leg ulcers.
    Zhang L; Yang J; Wang H; Cai Y; Zhao W; Dong R; Liu D; Lu X · Wound management & prevention · 2023
    Randomized trial130 participantsSkin Health forSilicon
  33. Retrospective Study on the Clinical Superiority of the Vacuum-Assisted Closure System with a Silicon-based Dressing over the Conventional Tie-over Bolster Technique in Skin Graft Fixation.
    Chou PR; Wu SH; Hsieh MC; Huang SH · Medicina (Kaunas, Lithuania) · 2020
    Cohort study26 participantsSkin Health forSilicon
  34. Silicon gel sheeting for preventing and treating hypertrophic and keloid scars.
    O'Brien L; Pandit A · The Cochrane database of systematic reviews · 2006
    Meta-analysis559 participants13 studies pooledSkin Health forSilicon
  35. 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
  36. 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
  37. 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
  38. 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
  39. 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
  40. Randomized controlled trial using vitamins E and D supplementation in atopic dermatitis.
    Javanbakht MH; Keshavarz SA; Djalali M; Siassi F; Eshraghian MR; Firooz A; Seirafi H; Ehsani AH; Chamari M; Mirshafiey A · The Journal of dermatological treatment · 2011
    Randomized trial45 participantsSkin Health forVitamin E
  41. Serum vitamin E levels and chronic inflammatory skin diseases: A systematic review and meta-analysis.
    Liu X; Yang G; Luo M; Lan Q; Shi X; Deng H; Wang N; Xu X; Zhang C · PloS one · 2022
    Meta-analysis20 studies pooledSkin Health forVitamin E
  42. 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 forVitamin E Skin Health forZinc
  43. Effects of tocotrienol on aging skin: A systematic review.
    Ghazali NI; Mohd Rais RZ; Makpol S; Chin KY; Yap WN; Goon JA · Frontiers in pharmacology · 2022
    Systematic reviewSkin Health forVitamin E
  44. Carotenoids and carotenoids plus vitamin E protect against ultraviolet light-induced erythema in humans.
    Stahl W; Heinrich U; Jungmann H; Sies H; Tronnier H · The American journal of clinical nutrition · 2000
    Randomized trialSkin Health forVitamin E
  45. 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
  46. 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
  47. 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
  48. 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