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Zinc 50 mg

Nature's Bounty
4.7
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(223478 ratings)
Zinc 50 mg
Product Image
Score80
Clear zinc gluconate and low cost make the product easy to understand, but 50 mg is excessive for routine use. No copper is included to support long-term mineral balance.
How scoring works
Quantity:100 Tablet(s) • (100 servings)
Goals:
Immunity
General Health
Testosterone Support

Score 80

Clear zinc gluconate and low cost make the product easy to understand, but 50 mg is excessive for routine use. No copper is included to support long-term mineral balance.
How scoring works
$3.47($0.03 per serving)
Vitacost
$ 7.07
Walmart
$ 3.47
iHerb
$ 6.41
Amazon
$ 5.38
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Analysis

Zinc gluconate is a recognized organic salt with reasonable absorption. The formula is transparent and uncomplicated, with one tablet providing 50 mg of elemental zinc.

That serving is too high for routine maintenance and does not offer broader coverage for the many goals listed. Zinc is most likely to help when intake or status is inadequate rather than acting as a general boost for users who already get enough.

The long supply and low cost are practical strengths for limited use. For everyday supplementation, a lower amount with better attention to copper balance would be easier to justify.

Who is it for
  • Adults needing a brief course of higher-dose zinc
  • Users who prefer zinc gluconate
  • People working with a professional on zinc dosing
Best for
  • Short-term zinc gluconate use
  • Low-cost single-mineral support
  • A simple one-tablet serving

Pros

  • Identifies zinc gluconate
  • Clearly states 50 mg of elemental zinc
  • Uses a focused formula
  • Offers strong cost efficiency

Cons

  • The amount exceeds the usual adult upper intake level
  • No copper is included
  • The formula has little nutritional breadth
  • The tablet provides limited dose flexibility

Warnings

  • The high amount may cause nausea or stomach irritation.
  • Daily long-term use can reduce copper absorption and may contribute to copper deficiency.
  • Follow prescription spacing directions when using tetracycline or quinolone antibiotics or penicillamine.

Nutrient quality

65 High impact

Zinc gluconate is a useful organic salt with reasonable absorption. The form is suitable, but the excessive daily amount raises copper-depletion and stomach-upset concerns.

Ingredient transparency

88 Highest impact

The elemental zinc amount is stated clearly. No proprietary blend hides the listed active doses.

Customer satisfaction

72 High impact

The supplied average is strong, with very large response volume. Complaint patterns and purpose-related experiences are not supplied.

Value for money

94 Highest impact

Formula quality generally supports the asking price despite some limitations. Each serving offers very good practical value for its useful active dose.

Report analysis

Goals

Immunity
Immunity
Impact
High effect
A Goal FitC+ Strength of SupportD- CoverageB- Formula Quality
Zinc · 50 mg

Zinc directly supports immune cell development and communication, and the disclosed amount is physiologically substantial. The formula is narrowly focused rather than broad.

The amount exceeds the adult daily upper intake level and is not well suited to long-term unsupervised use. Regular high intake without copper can contribute to copper depletion, making shorter-term or clinician-directed use more appropriate.

Study evidence
Zinc Supportive 73 studies
General Health
General Health
Impact
High effect
A- Goal FitD Strength of SupportD CoverageA Formula Quality
Zinc · 50 mg

Zinc provides foundational support for immune readiness, enzyme function, and normal tissue maintenance. The serving amount exceeds the adult daily upper intake level, reducing suitability for routine long-term use.

No copper is included to protect mineral balance, and prolonged use may contribute to copper depletion or nausea. The focused design offers strong zinc depth but little broader pathway coverage.

Study evidence
Zinc Supportive 60 studies
Testosterone Support
Testosterone Support
Impact
High effect
B- Goal FitC- Strength of SupportD- CoverageA Formula Quality
Zinc · 50 mg

Zinc is essential for testosterone synthesis, but the 50 mg serving exceeds the adult upper intake level for routine daily use. Benefits are most plausible when zinc status is low, not as a general testosterone boost.

Zinc gluconate is a reasonably absorbable organic salt. The lack of copper raises a meaningful risk of copper depletion with prolonged use.

Study evidence
Zinc Disputed 7 studies
Hair Health
Hair Health
Impact
Moderate effect
C+ Goal FitC Strength of SupportF CoverageA Formula Quality
Zinc · 50 mg

Zinc can support hair recovery when zinc deficiency contributes to shedding. It offers no dependable extra growth benefit when zinc status is already adequate.

The 50 mg amount uses zinc gluconate but is too high for routine long-term use. Daily use at this level may cause nausea and reduce copper status over time.

Study evidence
Zinc Supportive 22 studies
Vision Support
Vision Support
Impact
Moderate effect
B- Goal FitC Strength of SupportD- CoverageB- Formula Quality
Zinc · 50 mg

Zinc supports retinal vitamin A handling and antioxidant enzymes, but a standalone mineral cannot provide broad vision support. Zinc gluconate offers useful absorption.

The 50 mg amount exceeds the usual adult upper limit and the formula contains no copper. Long-term use may cause nausea and copper depletion, so routine unsupervised use is not appropriate.

Study evidence
Zinc Supportive 39 studies
Skin Health
Skin Health
Impact
Moderate effect
B Goal FitF Strength of SupportF CoverageC Formula Quality
Zinc · 50 mg

Zinc gluconate is a useful form for skin repair and inflammatory balance, but the 50 mg amount exceeds the adult upper intake limit. The active form and elemental amount are clearly disclosed.

The product remains narrow and does not address collagen, hydration, or barrier lipids. Long-term daily use at this dose can deplete copper and cause gastrointestinal effects because no copper is included.

Study evidence
Zinc Supportive 66 studies

Ingredients

IngredientAmount per serving
Zinc (Zinc Gluconate)
 50 mg
Gluten Free Adults 18–50 Dairy Free Sugar Free Vegetarian
Report overview
Zinc (Zinc Gluconate) · 50 mg OverallScore72
B Active Ingredient Quality & BioavailabilityD+ Dose, Safety & Label TransparencyA+ Value

Zinc gluconate is a useful organic form, but the 50 mg dose exceeds the adult upper limit. No copper is included, which raises a meaningful long-term mineral-balance concern. The serving cost is exceptionally low, making it economical for limited use despite the dosage trade-off.

View ingredientView products
Loading alternative details
87 Performance

Zinc Picolinate 22 mg

Solgar
The focused 22 mg zinc picolinate formula offers strong absorption and a more practical maintenance amount than the original's aggressive 50 mg zinc amount. Its clear single-active label also removes the uncertainty created by unnecessary or opaque additions.
87 Performance

Zinc Picolinate 25 mg

Thompson
A clearly disclosed 25 mg zinc picolinate dose is easier to use routinely than the original's aggressive 50 mg zinc amount. The simple formula combines favorable absorption with an amount below the usual adult upper limit.
86 Performance

L-OptiZinc 30 mg

NOW
L-OptiZinc monomethionine provides a specific, well-absorbed form that improves on the original's aggressive 50 mg zinc amount. The small copper addition offers some balance, although it may not fully offset sustained intake of 30 mg zinc.
84 Budget

Zinc Gluconate 30 mg

Swanson
Its lower recurring cost improves the value comparison, while 30 mg zinc gluconate reduces the dosing concern compared with the original's aggressive 50 mg zinc amount. The form and amount are clearly stated, though sustained use still calls for attention to copper intake.
85 Budget

Zinc 30 mg

Nature Made
Its recurring cost remains among the lowest in the provided options, and the focused 30 mg zinc gluconate tablet avoids the extra or opaque ingredients in the original's aggressive 50 mg zinc amount. The amount remains substantial without reaching the common 50 mg excess seen in many originals.
85 Budget

Zinc Chelate 30 mg

Nature's Way
Its recurring cost remains among the lowest in the provided options, while 30 mg zinc bisglycinate provides a well-absorbed chelate with a simpler profile than the original's aggressive 50 mg zinc amount. No copper is included, so prolonged daily use still deserves caution.
85 Value

Chelated Zinc 30 mg

Swanson
TRAACS zinc glycinate supplies a specific 30 mg chelate with strong absorption potential, giving better quality for the cost than the original's aggressive 50 mg zinc amount. The capsule stays focused and economical, although it does not include copper.
86 Value

Chelated Zinc 30 mg

Carlson
A 30 mg zinc glycinate chelate combines favorable absorption and digestive tolerance with strong serving value compared with the original's aggressive 50 mg zinc amount. The long supply supports economical use, but ongoing intake may still reduce copper status.
83 Value

Zinc 30 mg

Nature's Life
Zinc picolinate plus copper offers a more complete mineral-balance approach for the cost than the original's aggressive 50 mg zinc amount. The copper addition is useful, although repeated copper entries make the exact total less clear than it should be.
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
  26. 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
  27. 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
  28. 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
  29. 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
  30. 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