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Zinc Gluconate 50 mg

AN Amazing Nutrition Amazing Formulas
4.6
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(2342 ratings)
Zinc 50 mg
Product Image
Score80
Clear zinc gluconate and excellent value are offset by an excessive 50 mg serving without copper. The large bottle is better suited to controlled short courses than daily long-term use.
How scoring works
Quantity:250 Tablet(s) • (250 servings)
Goals:
General Health
Hair Health

Score 80

Clear zinc gluconate and excellent value are offset by an excessive 50 mg serving without copper. The large bottle is better suited to controlled short courses than daily long-term use.
How scoring works
$9.99($0.03 per serving)
iHerb
$ 9.99
Pure Formulas
$ 10.00
Vitacost
$ 9.99
Amazon
$ 9.99
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Analysis

Zinc gluconate gives the product a known organic zinc form with reasonable absorption. A one-tablet serving and a clear elemental amount make the label easy to interpret.

The 50 mg amount is more appropriate to limited or supervised use than everyday maintenance. Zinc can support normal tissue and immune functions when status is low, but high intake does not provide broad coverage across all listed goals.

A 250-serving bottle is economical and convenient. That supply can also encourage prolonged use of a dose that may cause gastrointestinal effects and gradually reduce copper status.

Who is it for
  • Adults directed to take high-dose zinc for a limited period
  • Users who prefer zinc gluconate tablets
  • Cost-conscious users with professional dosing guidance
Best for
  • Low-cost short-term zinc use
  • A long supply for controlled dosing
  • Simple single-mineral supplementation

Pros

  • Uses zinc gluconate
  • Clearly states the active amount
  • Provides a one-tablet serving
  • Offers a very large supply

Cons

  • The 50 mg amount exceeds the usual adult upper intake level
  • No copper is included
  • The formula gives narrow nutritional coverage
  • The large supply is poorly matched to the dose’s long-term limitations

Warnings

  • A 50 mg zinc serving may cause nausea or other stomach symptoms.
  • Prolonged daily use can impair copper absorption because the formula contains no copper.
  • Zinc may reduce absorption of tetracycline or quinolone antibiotics and penicillamine when taken too closely.

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

71 High impact

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

Value for money

93 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

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

Zinc gluconate provides a clearly disclosed essential mineral with solid relevance to immune readiness and normal enzyme activity. The form is generally useful and the one-tablet serving keeps the formula simple.

The 50 mg dose exceeds the usual adult upper intake level and is poorly suited to routine long-term use without supervision. No copper is included, so extended use may increase the risk of nausea and copper depletion.

Study evidence
Zinc Supportive 60 studies
Hair Health
Hair Health
Impact
High effect
B- Goal FitC+ Strength of SupportD- CoverageB Formula Quality
Zinc · 50 mg

Zinc can support normal follicle function and may help shedding when deficiency is present. A 50 mg daily amount exceeds the adult upper intake level and is not a balanced long-term hair strategy.

Zinc gluconate and its amount are clearly disclosed in a simple formula. Prolonged use may cause nausea and copper deficiency, especially because no copper is included.

Study evidence
Zinc Supportive 22 studies
Testosterone Support
Testosterone Support
Impact
Moderate effect
C+ Goal FitC Strength of SupportD- CoverageA Formula Quality
Zinc · 50 mg

Zinc gluconate directly supports normal steroidogenesis when zinc status is inadequate. The amount exceeds the adult daily upper limit and is not paired with copper, so it is poorly suited to routine long-term use.

The single-mineral formula has strong but excessive depth in one pathway and no stress or free-hormone coverage. Prolonged use at this amount can lower copper status and cause gastrointestinal effects.

Study evidence
Zinc Disputed 7 studies
Vision Support
Vision Support
Impact
Moderate effect
B+ Goal FitC+ Strength of SupportF CoverageC- Formula Quality
Zinc · 50 mg

Zinc supports retinal vitamin A handling and is included in established vision formulas, especially for selected people at risk of advanced macular degeneration. A 50 mg daily dose exceeds the usual adult upper intake level and lacks the balancing copper used in AREDS2.

Zinc gluconate and the exact elemental amount are clearly disclosed. Prolonged use may cause copper depletion and stomach upset, so this is not a balanced long-term vision formula.

Study evidence
Zinc Supportive 39 studies
Immunity
Immunity
Impact
Moderate effect
A- Goal FitD Strength of SupportF CoverageB Formula Quality
Zinc · 50 mg

Zinc gluconate is a well-established mineral form with clear relevance to immune readiness, antioxidant defenses, and normal enzyme activity. The simple formula is transparent and focused.

The amount exceeds the usual adult upper intake level and is not appropriate for unsupervised long-term daily use. It can cause stomach upset and contribute to copper depletion because no copper is included.

Study evidence
Zinc Supportive 73 studies
Skin Health
Skin Health
Impact
Moderate effect
C- Goal FitC+ Strength of SupportF CoverageB- Formula Quality
Zinc · 50 mg

Zinc supports normal skin repair, but a single mineral cannot provide broad skin support. Zinc has established skin biology, though extra zinc has limited visible benefit when status is adequate.

The zinc amount exceeds the adult daily upper limit and is unsuitable for routine long-term use without supervision. Zinc gluconate is a useful form and the amount is fully disclosed.

Study evidence
Zinc Supportive 66 studies

Ingredients

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

The 50 mg zinc serving exceeds the usual upper limit and is better suited to limited or supervised use. Zinc gluconate offers a useful absorption profile, while the tablet shapes convenience and dissolution. The lack of copper at this high dose raises a practical risk of copper depletion and stomach upset with prolonged daily use.

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. 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
  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. Zinc for infection prevention in children with sickle cell anemia: a randomized double-blind placebo-controlled trial.
    Namazzi R; Opoka R; Conroy AL; Datta D; Tagoola A; Bond C; Goings MJ; Ryu MS; Cusick SE; Krebs NF; Jang JH; Tu W; Ware RE; John CC · Blood advances · 2023
    Randomized trial252 participantsImmunity forZinc
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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
  25. Clinical, endocrinological and biochemical effects of zinc deficiency.
    Prasad AS · Clinics in endocrinology and metabolism · 1986
    Narrative reviewTestosterone Support forZinc
  26. Clinical, endocrinologic, and biochemical effects of zinc deficiency.
    Prasad AS · Special topics in endocrinology and metabolism · 1986
    Narrative reviewTestosterone Support forZinc
  27. 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
  28. 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
  29. 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
  30. 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
  31. 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