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Zinc Picolinate 50 mg

4.8
★ ★ ★ ★ ★
(2747 ratings)
Zinc 50 mg
Product Image
Score75
A clearly labeled zinc supplement in a useful form, but the 50 mg amount is too high for routine unsupervised daily use. Lower-dose options fit maintenance better.
How scoring works
Capsule
Quantity:100 Capsule(s) • (100 servings)
Goals:
Testosterone Support
Immunity
Hair Health
Vision Support
General Health

Score 75

A clearly labeled zinc supplement in a useful form, but the 50 mg amount is too high for routine unsupervised daily use. Lower-dose options fit maintenance better.
How scoring works

Also available as

1 option
50 servings Zinc 50 mg • 50 Capsule(s) • 50 servings $11.60 ($0.23 per serving)
$19.96($0.19 per serving)
iHerb
$ 19.96
Daily Vita
$ 19.96
Amazon
$ 19.96
Vitacost
$ 19.96
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Analysis

The capsule delivers 50 mg zinc as zinc picolinate, a clearly disclosed amount in a usable form. Zinc supports normal immune function and tissue repair, but more is not necessarily more useful when zinc status is already adequate.

The serving exceeds the usual adult daily upper intake level and no copper is included. Repeated use can cause nausea and may gradually impair copper absorption, making the dose the main weakness despite the focused label.

The formula provides only zinc, so it cannot cover the wider pathways involved in skin, hair, vision, general health, fitness, or testosterone support. Its simple format and low cost do not offset the need for careful dosing.

Who is it for
  • Adults using high-dose zinc for a defined short-term need
  • People following clinician-directed zinc supplementation
  • Users who prefer a capsule
Best for
  • Short-term targeted zinc use
  • Clinician-directed deficiency correction
  • Situations where a 50 mg serving is specifically appropriate

Pros

  • Uses zinc picolinate rather than zinc oxide
  • Elemental zinc amount is clearly disclosed
  • Focused single-ingredient formula

Cons

  • Exceeds the usual adult daily upper intake level
  • No copper is included
  • Poor fit for routine long-term maintenance
  • Single nutrient provides narrow goal coverage

Warnings

  • Do not use 50 mg daily long term unless a clinician has identified a need
  • High-dose zinc may cause nausea, abdominal upset, or vomiting
  • Sustained use can reduce copper absorption and contribute to anemia or neurologic symptoms
  • Separate zinc from tetracycline or quinolone antibiotics because it can reduce their absorption

Nutrient quality

77 High impact

Zinc picolinate provides premium form quality. The amount is unnecessarily high for routine use and no balancing copper is included.

Ingredient transparency

83 Highest impact

The zinc form and amount are clear with no hidden blend. Full duration guidance and capsule excipients are missing despite the aggressive amount.

Customer satisfaction

71 High impact

The supplied aggregate result is exceptionally strong and supported by a large feedback base. No comment-level evidence is available, so recurring problems and purpose-specific experiences remain unknown.

Value for money

66 High impact

The premium form supports some of the higher cost. An excessive daily amount and relatively costly serving make the formula weak for routine use.

Report analysis

Goals

Testosterone Support
Testosterone Support
Impact
High effect
C+ Goal FitB- Strength of SupportD+ CoverageA Formula Quality
Zinc · 50 mg

Zinc provides a relevant route to testosterone support. Dose or form uncertainty limits confidence in the practical contribution.

The formula remains narrow rather than comprehensive. Zinc Picolinate 50 mg is best viewed as targeted support rather than proof of a clinical benefit.

Study evidence
Zinc Disputed 7 studies
Immunity
Immunity
Impact
High effect
A Goal FitC- Strength of SupportD CoverageB Formula Quality
Zinc · 50 mg

Zinc picolinate directly supports immune-cell function and barrier repair in a well-absorbed form. The serving is much larger than needed for routine daily immune support.

A 50 mg daily amount exceeds the usual adult upper intake level and no copper is included. Repeated use can cause nausea and reduce copper absorption, which may lead to blood or nerve problems.

Study evidence
Zinc Supportive 73 studies
Hair Health
Hair Health
Impact
High effect
B Goal FitC+ Strength of SupportD- CoverageA- Formula Quality
Zinc · 50 mg

Zinc picolinate may support follicle cell division and reduce shedding when zinc status is low. Zinc does not serve as a broad hair-growth solution when intake is already adequate.

The well-absorbed form is clearly disclosed, but the amount exceeds the usual adult daily upper limit. Long-term use can cause nausea and copper deficiency, which may undermine hair and general health.

Study evidence
Zinc Supportive 22 studies
Vision Support
Vision Support
Impact
High effect
B+ Goal FitC Strength of SupportF CoverageB Formula Quality
Zinc · 50 mg

Zinc directly supports retinal enzyme activity and vitamin A transport. It is also a core mineral in established eye-health combinations.

Zinc picolinate is a well-absorbed and clearly named form. The daily amount exceeds the usual upper intake limit and lacks copper, which raises copper-depletion concerns with long-term use.

Study evidence
Zinc Supportive 39 studies
General Health
General Health
Impact
High effect
A Goal FitC- Strength of SupportD CoverageC Formula Quality
Zinc · 50 mg

Zinc picolinate is a well-absorbed form of an essential mineral for immune function, enzyme activity, and tissue repair. The single-active formula is clearly disclosed and tightly focused.

The daily amount exceeds the adult upper intake level and contains no copper, creating a practical concern for long-term daily use. Lower-dose zinc would generally fit routine general-health support more safely.

Study evidence
Zinc Supportive 60 studies
Skin Health
Skin Health
Impact
Moderate effect
C Goal FitC- Strength of SupportF CoverageC+ Formula Quality
Zinc · 50 mg

Zinc supports skin integrity and normal repair, but a zinc-only supplement covers a narrow pathway. The picolinate form is well absorbed and clearly disclosed.

The amount exceeds the adult upper intake level and is not appropriate for routine long-term use without supervision. No copper is included, increasing the risk of copper depletion with sustained use.

Study evidence
Zinc Supportive 66 studies

Ingredients

IngredientAmount per serving
Zinc (Zinc Picolinate)
 50 mg
Gluten Free Adults 18–50 Vegan Kosher Dairy Free Sugar Free Vegetarian
Report overview
Zinc (Zinc Picolinate) · 50 mg OverallScore78
A+ Active Ingredient Quality & BioavailabilityD+ Dose, Safety & Label TransparencyB+ Value

Zinc picolinate and a vegetable capsule provide strong ingredient quality and delivery. The high amount exceeds the daily upper limit and lacks copper, creating a concern for long-term daily use. Cost per serving is favorable for a premium form.

View ingredientView products
Loading alternative details
94 Performance

Zinc Picolinate

NutriCology
A practical, well-absorbed zinc amount is safer for routine use than the original high-dose formula. Picolinate provides a well-absorbed form at a strong maintenance amount in a simple capsule. Zinc picolinate is a well-regarded form with favorable absorption.
92 Performance

Zinc Picolinate 25 mg

Kirkman
A practical, well-absorbed zinc amount is safer for routine use than the original high-dose formula. Zinc picolinate provides a highly absorbable form at a substantial but not excessive amount. Small calcium and phosphorus additions do little to strengthen the zinc formula, while inactive ingredients are not shown.
91 Performance

Zinc Picolinate 25 mg

Country Life
A practical, well-absorbed zinc amount is safer for routine use than the original high-dose formula. Picolinate offers strong absorption at a useful amount below the adult upper limit. The small calcium addition contributes little, and the serving cost is higher than many basic zinc products.
96 Budget

Zinc Picolinate 25 mg

Thompson
Lower recurring cost makes this a more economical zinc option than the original while retaining a clearly characterized active profile. Picolinate is a well-absorbed zinc form, and the amount is meaningful without crossing the usual adult upper limit. The simple formula and very low serving cost make it a practical zinc supplement.
95 Budget

Zinc Picolinate 22 mg

Solgar
Lower recurring cost makes this a more economical zinc option than the original while retaining a clearly characterized active profile. Picolinate offers strong absorption potential at a useful maintenance amount. The focused formula and very low serving cost make it a practical choice without an obvious dosing excess.
93 Budget

Zinc Picolinate 22 mg

Swanson
Lower recurring cost makes this a more economical zinc option than the original while retaining a clearly characterized active profile. Picolinate provides a well-absorbed form at a practical maintenance amount. Zinc picolinate is a well-regarded form with favorable absorption.
96 Value

Zinc Bisglycinate 15 mg

Thorne
A safer amount, strong form quality, and economical use provide better long-term value than the original high-dose formula. A premium bisglycinate chelate provides a practical maintenance amount with good tolerance potential. TRAACS zinc bisglycinate is a premium chelate designed for absorption and digestive tolerance.
92 Value

L-OptiZinc 30 mg

NOW
A safer amount, strong form quality, and economical use provide better long-term value than the original high-dose formula. Zinc monomethionine provides excellent absorption potential at a substantial amount. A small copper addition is helpful but remains too low to fully balance sustained high zinc use.
90 Value

Zinc Chelate 30 mg

Nature's Way
A safer amount, strong form quality, and economical use provide better long-term value than the original high-dose formula. Zinc bisglycinate provides a well-absorbed form at a robust daily amount. The focused capsule is clearly labeled and very inexpensive, but no copper is included.
Report alternatives

Sources

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

  1. Dietary Zinc Intake and All-Cause and Cardiovascular Mortality in Korean Middle-Aged and Older Adults.
    Kwon YJ; Lee HS; Park G; Yang J; Kim HM; Lee JW · Nutrients · 2023
    Cohort study143,050 participantsGeneral Health forZinc
  2. 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
  3. 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
  4. Effects of Zinc Supplementation on Inflammatory Skin Diseases: A Systematic Review of the Clinical Evidence.
    Dhaliwal S; Nguyen M; Vaughn AR; Notay M; Chambers CJ; Sivamani RK · American journal of clinical dermatology · 2020
    Systematic review22 studies pooledSkin Health forZinc
  5. 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
  6. Hair Loss and Zinc Deficiency: A Cross-Sectional Study.
    Liran O; Vered S; Cohen B; Shapiro Ben David S; Nakhleh A; Rahamim-Cohen D; Azuri J; Adler L · Healthcare (Basel, Switzerland) · 2025
    Cross-sectional study23,975 participantsHair Health forZinc
  7. 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
  8. 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
  9. Lutein + zeaxanthin and omega-3 fatty acids for age-related macular degeneration: the Age-Related Eye Disease Study 2 (AREDS2) randomized clinical trial.
    Age-Related Eye Disease Study 2 Research Group · JAMA · 2013
    Randomized trial4,203 participantsVision Support forZinc
  10. Zinc is an Essential Element for Male Fertility: A Review of Zn Roles in Men's Health, Germination, Sperm Quality, and Fertilization.
    Fallah A; Mohammad-Hasani A; Colagar AH · Journal of reproduction & infertility · 2020
    Narrative reviewTestosterone Support forZinc
  11. Clinical, endocrinological and biochemical effects of zinc deficiency.
    Prasad AS · Clinics in endocrinology and metabolism · 1986
    Narrative reviewTestosterone Support forZinc
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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
  25. 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
  26. 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
  27. 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
  28. Environmental exposure to metals and male reproductive hormones: circulating testosterone is inversely associated with blood molybdenum.
    Meeker JD; Rossano MG; Protas B; Padmanahban V; Diamond MP; Puscheck E; Daly D; Paneth N; Wirth JJ · Fertility and sterility · 2010
    Cross-sectional study219 participantsTestosterone Support forZinc
  29. Nonpharmacological Interventions for the Management of Testosterone and Sperm Parameters: A Scoping Review.
    Santos HO; Cadegiani FA; Forbes SC · Clinical therapeutics · 2022
    Scoping reviewTestosterone Support forZinc
  30. Clinical, endocrinologic, and biochemical effects of zinc deficiency.
    Prasad AS · Special topics in endocrinology and metabolism · 1986
    Narrative reviewTestosterone Support forZinc
  31. 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
  32. 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
  33. 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
  34. 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