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Zinc 50 mg

4.8
★ ★ ★ ★ ★
(125 ratings)
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Score51

An over-dosed multi-form zinc capsule with unclear form proportions. Poor transparency and no copper make it unsuitable for long-term use.

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Capsule
Quantity:100 Capsule(s) • (100 servings)
Goals:

Score 51

An over-dosed multi-form zinc capsule with unclear form proportions. Poor transparency and no copper make it unsuitable for long-term use.

How scoring works

Also available as

1 option
300 servings Zinc 50 mg • 300 Capsule(s) • 300 servings $31.99 ($0.10 per serving)
$0.00($0.00 per serving)
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$ 0.00
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Analysis

Multiple zinc sources may broaden tolerance, but the label does not show how much each form contributes. Zinc has direct nutritional roles in immune function, skin repair, hair growth, vision-related antioxidant enzymes, and reproductive hormone metabolism.

The formula supplies more zinc than needed for ordinary immune, skin, hair, vision, or testosterone nutrition. Unknown form proportions and missing value data prevent a confident quality or purchasing assessment.

Who is it for
  • Adults seeking targeted zinc support
  • Users whose dietary zinc intake may be low
  • Only adults using a supervised short course
Best for
  • Professionally directed short-term zinc use

Pros

  • Includes zinc gluconate
  • Includes zinc aspartate
  • Capsule delivery is convenient

Cons

  • Contains poorly absorbed zinc oxide
  • Form proportions are not disclosed
  • Dose exceeds the adult upper limit
  • No copper or usable value information

Warnings

  • The daily zinc amount exceeds the adult upper limit and is not well suited to unsupervised long-term use.
  • Prolonged high-dose zinc can lower copper status and may lead to blood or neurological problems.
  • High-dose zinc may cause nausea, vomiting, stomach pain, or diarrhea.
  • Separate zinc from tetracycline or quinolone antibiotics and levothyroxine because it can reduce their absorption.

Nutrient quality

69 High impact

The zinc form and amount provide meaningful support for the intended uses. The aggressive amount or missing copper balance makes routine long-term use a concern.

Ingredient transparency

63 Moderate impact

The main active amount is shown, but incomplete form details limit precise evaluation. Complete directions and inactive ingredients are also absent from the supplied data.

Customer satisfaction

64 Moderate impact

The supplied average rating is supported by a meaningful number of ratings. No specific feedback was provided to assess repeated complaints or whether experiences match the intended use.

Value for money

0 Limited impact

Price and serving-cost data are not supplied, so practical value cannot be assessed. Formula quality alone cannot establish category competitiveness without that information.

Report analysis

Goals

Immunity
Immunity
Impact
Moderate effect
A Goal FitD Strength of SupportF CoverageC- Formula Quality
Zinc · 50 mg

Zinc directly supports immune-cell development, but the 50 mg daily amount exceeds the adult upper intake level. Prolonged use may reduce copper status because no copper is included.

Gluconate and aspartate improve the mixed-form profile, while zinc oxide lowers expected absorption. The capsule is better suited to short-term or clinician-guided use than routine daily maintenance.

Study evidence
Zinc Supportive 73 studies
Hair Health
Hair Health
Impact
Moderate effect
C+ Goal FitD+ Strength of SupportD- CoverageA Formula Quality
Zinc · 50 mg

Zinc can support normal follicle function and help deficiency-related shedding. The 50 mg total is excessive for routine long-term hair support even though several chemical forms are identified.

People with adequate zinc are unlikely to gain a dependable hair benefit from taking more. The amount exceeds the usual adult daily upper limit and can cause nausea or copper deficiency because no copper is included.

Study evidence
Zinc Supportive 22 studies
General Health
General Health
Impact
Moderate effect
A Goal FitF Strength of SupportD- CoverageC Formula Quality
Zinc · 50 mg

Zinc has strong relevance to immune function, DNA synthesis, and correcting inadequate intake. The high serving amount is poorly suited to unsupervised daily maintenance despite the established value of zinc itself.

The label identifies several zinc forms but does not show how much each contributes, and oxide is generally less well absorbed. Prolonged use at 50 mg without copper can reduce copper status, so this serving is better reserved for directed short-term use.

Study evidence
Zinc Supportive 60 studies
Testosterone Support
Testosterone Support
Impact
Moderate effect
B+ Goal FitD+ Strength of SupportF CoverageD+ Formula Quality
Zinc · 50 mg

Zinc is a foundational steroidogenesis nutrient, but the 50 mg amount exceeds the adult upper limit and is not suited to routine unsupervised use. The blend also includes poorly absorbed zinc oxide without showing each form's share.

Correction of zinc deficiency may support testosterone, while excess intake does not provide the same predictable benefit. Long-term daily use without copper may impair copper status and create anemia or neurologic problems.

Study evidence
Zinc Disputed 7 studies
Skin Health
Skin Health
Impact
Moderate effect
C Goal FitD- Strength of SupportF CoverageC Formula Quality
Zinc · 50 mg

Zinc supports wound repair, normal skin turnover, and antioxidant enzymes. The amount is too high for routine daily use and does not make the product a complete skin formula.

The blend includes useful organic salts but also zinc oxide, and their individual shares are not disclosed. The zinc amount exceeds the adult upper intake level and may cause nausea or copper deficiency when used regularly without copper.

Study evidence
Zinc Supportive 66 studies

Ingredients

IngredientAmount per serving
Zinc (Zinc Aspartate, Zinc Gluconate, Zinc Oxide)
 50 mg
Gluten Free Adults 18–50 Dairy Free Sugar Free
Report overview
Loading alternative details
98 Performance

L-OptiZinc 30 mg

NOW
Utilizing a methionine-bound zinc complex with copper provides a safer and more balanced approach than high-dose multiple-form blends. This combination supports long-term mineral status and hormonal health.
97 Performance

Zinc 30 mg

Nature's Life
Pairing bioavailable zinc picolinate with copper ensures systemic mineral harmony while supporting tissue repair and vision health. This formulation avoids the risk of copper depletion often caused by excessive zinc.
98 Performance

OptiZinc

Source Naturals
Combining zinc methionine sulfate with copper sebacic acid supports enzymatic pathways through optimized mineral status. This specialized complex ensures efficient intestinal absorption for consistent physiological support.
92 Budget

Zinc 50 mg

Nature's Bounty
Providing a more moderate 50 mg dose of zinc gluconate, which helps avoid the risks associated with extremely high mineral intake. This organic salt form offers reliable support for immune cell activity.
91 Budget

Zinc Gluconate 50 mg

AN Amazing Nutrition Amazing Formulas
Supplying zinc as gluconate in a high-potency dose for targeted nutritional needs. This format is a cost-effective way to achieve meaningful mineral levels in a single tablet.
96 Budget

Zinc 30 mg

Nature Made
Offering a 30 mg dose of zinc gluconate that is better aligned with safe daily maintenance guidelines. This straightforward formula supports foundational health and antioxidant defenses.
98 Value

Chelated Zinc 30 mg

Swanson
Featuring TRAACS zinc glycinate chelate, this product offers superior stability and gastrointestinal tolerance. It provides a focused mineral source that is highly efficient for maintaining baseline health.
98 Value

Zinc Chelate 30 mg

Nature's Way
Supplying zinc bisglycinate for high-purity mineral support that optimizes cellular repair and immune readiness. This chelated form is particularly useful for individuals seeking meaningful results from a lower dose.
98 Value

Zinc Picolinate 22 mg

Solgar
Utilizing a highly bioavailable organic acid chelate in a safe 22 mg daily dose. This Solgar formulation is well-regarded for its purity and consistent performance in supporting skin and immune wellness.
Report alternatives

Sources

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

  1. 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
  2. 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
  3. 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
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. Clinical, endocrinological and biochemical effects of zinc deficiency.
    Prasad AS · Clinics in endocrinology and metabolism · 1986
    Narrative reviewTestosterone Support forZinc
  25. Clinical, endocrinologic, and biochemical effects of zinc deficiency.
    Prasad AS · Special topics in endocrinology and metabolism · 1986
    Narrative reviewTestosterone Support forZinc