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Zinc Citrate 50

4.8
★ ★ ★ ★ ★
(474 ratings)
Zinc 50 mg
Product Image
Score79
A clear zinc citrate capsule with good absorption, but its 50 mg serving is too high for casual long-term use.
How scoring works
Capsule
Quantity:60 Capsule(s) • (60 servings)
Goals:
Immunity
Testosterone Support
General Health
Hair Health

Score 79

A clear zinc citrate capsule with good absorption, but its 50 mg serving is too high for casual long-term use.
How scoring works

Also available as

1 option
25.00mg • 60 Capsule(s) servings Zinc 25 mg • 60 Capsule(s) • 60 servings $9.99 ($0.16 per serving)
$11.69($0.19 per serving)
iHerb
$ 11.69
Pure Formulas
$ 11.69
Amazon
$ 11.69
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Analysis

Zinc citrate provides a well-absorbed organic form in a focused capsule. The formula can support normal immune, skin, and zinc-dependent functions when the amount is appropriate.

Fifty milligrams is above the usual adult daily upper limit and is more suitable for a defined short-term or supervised plan. No copper is included to offset the risk of reduced copper absorption with continued high intake.

One-capsule use and clear labeling are practical strengths. Dose suitability is the decisive issue, not convenience or total zinc supplied.

Who is it for
  • Adults following a defined high-zinc plan
  • Users who prefer capsules
  • People monitoring zinc and copper intake
Best for
  • Short-term high-dose zinc use
  • Focused zinc supplementation
  • One-capsule routines

Pros

  • Well-absorbed citrate form
  • Clear single-active label
  • Convenient one-capsule serving

Cons

  • Exceeds the usual adult upper limit
  • No copper included
  • Not suited to indefinite daily use

Warnings

  • Long-term 50 mg use may reduce copper absorption and can cause nausea.

Nutrient quality

73 High impact

A well-absorbed citrate form and ample zinc support zinc-related uses. The excessive amount and absent copper balance make routine long-term use a poor fit.

Ingredient transparency

84 Highest impact

The elemental amount and citrate form are fully disclosed with no hidden blend. Inactive ingredients and complete intake directions are not supplied.

Customer satisfaction

70 High impact

Aggregate customer metrics indicate strong satisfaction from a moderate sample. Missing feedback details prevent judging repeated complaints or whether experiences match the intended use.

Value for money

86 Highest impact

A low serving cost and absorbable form create strong apparent value. Excessive dosing lowers quality-adjusted value for routine use.

Report analysis

Goals

Immunity
Immunity
Impact
Highest effect
A Goal FitB Strength of SupportD+ CoverageA+ Formula Quality
Zinc · 50 mg

Zinc citrate offers a well-absorbed form with direct relevance to immune-cell function. The simple label makes its contribution easy to understand.

The amount exceeds the usual daily upper limit and no copper is included to support mineral balance. Extended daily use may cause nausea or impair copper absorption, making limited or supervised use more appropriate.

Study evidence
Zinc Supportive 73 studies
Testosterone Support
Testosterone Support
Impact
High effect
B Goal FitB+ Strength of SupportD CoverageA Formula Quality
Zinc · 50 mg

Zinc citrate directly supports steroidogenesis and may help when zinc status is low. The amount is higher than needed for routine daily support and does not reliably boost testosterone in zinc-replete users.

The single-ingredient capsule is focused and clearly labeled. The zinc dose exceeds the usual adult daily upper limit and can cause nausea or copper deficiency with continued use.

Study evidence
Zinc Disputed 7 studies
General Health
General Health
Impact
High effect
A Goal FitC+ Strength of SupportD+ CoverageA- Formula Quality
Zinc · 50 mg

Zinc citrate is a well-absorbed form with clear relevance to immune readiness, enzyme activity, DNA synthesis, and tissue maintenance. The single-active capsule is transparent and free from unnecessary blends.

The amount exceeds the usual adult daily upper limit, which makes the product a poor fit for routine unsupervised use. Long-term use can cause nausea and reduce copper absorption, potentially leading to copper deficiency.

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 citrate can help correct zinc-related shedding and support normal follicle cell division. The amount is much higher than needed for routine maintenance.

Its form is favorable and the formula is easy to assess. Daily 50 mg zinc can cause nausea and copper depletion, so prolonged use warrants professional supervision.

Study evidence
Zinc Supportive 22 studies
Skin Health
Skin Health
Impact
Moderate effect
C- Goal FitD+ Strength of SupportF CoverageB+ Formula Quality
Zinc · 50 mg

Zinc citrate supports repair and selected acne-related needs, but a zinc-only capsule is not comprehensive skin support. The 50 mg amount exceeds the usual adult upper intake level.

Clear organic-form disclosure is offset by a dose poorly suited to unsupervised daily use. Prolonged intake can cause nausea and copper deficiency because no copper is included.

Study evidence
Zinc Supportive 66 studies
Vision Support
Vision Support
Impact
Moderate effect
D+ Goal FitC+ Strength of SupportF CoverageC- Formula Quality
Zinc · 50 mg

Zinc citrate supplies one established mineral in a form with useful absorption. Its relevance to retinal function is real, but the formula does not cover carotenoids, antioxidants, or structural lipids.

The 50 mg amount exceeds the usual adult upper intake level and no copper is included. Regular use at this amount may cause nausea and reduce copper absorption, making limited or supervised use more appropriate.

Study evidence
Zinc Supportive 39 studies

Ingredients

IngredientAmount per serving
Zinc (Zinc Citrate)
 50 mg
Adults 18–50
Report overview
Zinc (Zinc Citrate) · 50 mg OverallScore71
B+ Active Ingredient Quality & BioavailabilityD+ Dose, Safety & Label TransparencyB+ Value

Zinc citrate offers good absorption, and one vegetarian capsule keeps use simple. The 50 mg dose exceeds the usual daily upper limit and lacks copper, making long-term daily use a concern. Short-term or supervised use is more appropriate because high-dose zinc may cause nausea and reduce copper absorption.

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 lower recurring cost improves the value comparison, 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 lower recurring cost improves the value comparison, 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. 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
  2. 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
  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. 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. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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
  25. 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
  26. Clinical, endocrinological and biochemical effects of zinc deficiency.
    Prasad AS · Clinics in endocrinology and metabolism · 1986
    Narrative reviewTestosterone Support forZinc
  27. Clinical, endocrinologic, and biochemical effects of zinc deficiency.
    Prasad AS · Special topics in endocrinology and metabolism · 1986
    Narrative reviewTestosterone Support forZinc
  28. 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
  29. 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
  30. 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
  31. 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
  32. 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