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Zinc Citrate 25

4.9
★ ★ ★ ★ ★
(734 ratings)
Zinc 25 mg
Product Image
Score86
Clear zinc citrate at 25 mg makes this a focused, well-disclosed option. It suits targeted zinc support, though long-term users should watch total zinc and copper balance.
How scoring works
Capsule
Quantity:60 Capsule(s) • (60 servings)
Goals:
General Health
Immunity
Testosterone Support
Hair Health
Skin Health

Score 86

Clear zinc citrate at 25 mg makes this a focused, well-disclosed option. It suits targeted zinc support, though long-term users should watch total zinc and copper balance.
How scoring works
$9.99($0.16 per serving)
iHerb
$ 9.99
Pure Formulas
$ 9.99
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Analysis

The capsule provides 25 mg of zinc citrate with no competing active blends. A named organic form and clearly stated elemental amount make absorption potential and dosing easy to assess.

The amount offers meaningful zinc support while remaining below the usual adult upper intake level. It is most useful when zinc intake is inadequate and does not replace the other nutrients involved in immune, skin, hair, vision, general health, or testosterone goals.

One vegetarian capsule and a focused formula support convenient use. People taking it for a long period should account for zinc from food and other supplements because no copper is included.

Who is it for
  • Adults seeking a strong, clearly specified zinc capsule
  • Users who prefer zinc citrate
  • People wanting a simple single-ingredient formula
Best for
  • Focused zinc supplementation
  • A transparent 25 mg serving
  • One-capsule vegetarian use

Pros

  • Uses zinc citrate
  • Clearly states the 25 mg elemental amount
  • Keeps the formula simple
  • Provides a vegetarian capsule
  • Offers good practical value

Cons

  • Does not include copper
  • Provides no complementary nutrient coverage
  • May be more zinc than some users need for maintenance
  • The fixed capsule offers limited dose adjustment

Warnings

  • Long-term daily use may reduce copper absorption in susceptible users, especially when dietary or supplemental zinc intake is already high.
  • Zinc can reduce absorption of tetracycline or quinolone antibiotics and penicillamine; follow medicine-specific spacing directions.

Nutrient quality

89 Highest impact

Zinc citrate is a useful organic form with good absorption potential. The form and dose are well matched, with only the narrow single-mineral coverage limiting broader use.

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 exceptionally strong, with moderate response volume. Complaint patterns and purpose-related experiences are not supplied.

Value for money

92 Highest impact

Formula quality appears strong for the asking price. Each serving offers fair value for the active dose supplied.

Report analysis

Goals

General Health
Impact
Highest effect
A Goal FitA Strength of SupportC+ CoverageA+ Formula Quality
Zinc · 25 mg

Zinc citrate provides focused support for immune readiness, enzyme activity, DNA synthesis, and tissue maintenance. The organic zinc form and exact elemental amount are clearly disclosed in a simple capsule.

The formula offers strong depth for zinc but does not address other foundational nutrient gaps. Its focused design contains no unrelated active ingredients or proprietary blends.

Study evidence
Zinc Supportive 60 studies
Immunity
Impact
Highest effect
A Goal FitA Strength of SupportC CoverageA+ Formula Quality
Zinc · 25 mg

Zinc citrate supplies a well-absorbed form at a robust daily amount for zinc-dependent immune functions. The single-capsule formula is transparent and easy to assess.

Coverage is narrow and does not replace vitamin D, vitamin C, or broader nutritional support. Its focused design is a strength when zinc is the specific need.

Study evidence
Zinc Supportive 73 studies
Testosterone Support
Impact
Highest effect
B Goal FitA+ Strength of SupportD+ CoverageA+ Formula Quality
Zinc · 25 mg

Zinc citrate provides a well-absorbed dose that may support testosterone production when zinc status is low. Evidence does not show that zinc reliably raises testosterone in people who already have adequate intake.

The single-ingredient capsule is focused, fully quantified, and free from competing actives. Long-term daily use without copper may gradually reduce copper status.

Study evidence
Zinc Disputed 7 studies
Hair Health
Impact
High effect
B- Goal FitA Strength of SupportD+ CoverageA Formula Quality
Zinc · 25 mg

Zinc citrate can support normal follicle cell division and help when zinc deficiency contributes to shedding. It is not a complete hair formula for users with adequate zinc status.

The amount is strong and the form has good absorption potential. Long-term 25 mg use without copper may gradually reduce copper status in susceptible users.

Study evidence
Zinc Supportive 22 studies
Skin Health
Impact
High effect
C Goal FitA- Strength of SupportD- CoverageA Formula Quality
Zinc · 25 mg

Zinc citrate provides meaningful support for repair and zinc-dependent skin enzymes. It remains a narrow strategy without collagen, barrier lipids, hydration agents, or targeted photoprotection.

The 25 mg amount and clear organic form make the product easy to evaluate. Long-term daily use should account for zinc from other sources because sustained higher intake can reduce copper absorption.

Study evidence
Zinc Supportive 66 studies
Vision Support
Impact
Moderate effect
D+ Goal FitA- Strength of SupportD- CoverageB- Formula Quality
Zinc · 25 mg

Zinc citrate provides a well-absorbed form of one mineral with an established supporting role in retinal function. The 25 mg amount offers meaningful coverage without reaching the usual adult upper intake level.

The single-ingredient design is transparent and focused but cannot supply macular carotenoids, antioxidant vitamins, or retinal omega-3 fats. No copper is included, so prolonged daily zinc use still deserves attention to dietary copper and total zinc intake.

Study evidence
Zinc Supportive 39 studies

Ingredients

IngredientAmount per serving
Zinc (Zinc Citrate)
25 mg
Adults 18–50
Report overview
Zinc (Zinc Citrate) · 25 mg OverallScore87
B+ Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyB+ Value

Zinc citrate provides an effective organic form with a strong 25 mg daily amount. A single vegetarian capsule offers convenient delivery, though the label does not give the full compound weight. Cost per effective serving is favorable for this collection.

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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. Preventive zinc supplementation for children, and the effect of additional iron: a systematic review and meta-analysis.
    Mayo-Wilson E; Imdad A; Junior J; Dean S; Bhutta ZA · BMJ open · 2016
    Meta-analysis205,401 participants80 studies pooledGeneral Health forZinc
  3. Fortification of staple foods with zinc for improving zinc status and other health outcomes in the general population.
    Shah D; Sachdev HS; Gera T; De-Regil LM; Peña-Rosas JP · The Cochrane database of systematic reviews · 2016
    Meta-analysis709 participants8 studies pooledGeneral Health forZinc
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. Role of zinc in chronic telogen effluvium in serum and hair of patients with alopecia.
    Zufishan S; Haque Z; Nazar S; Afaq E; Aamir E; Rafique S · JPMA. The Journal of the Pakistan Medical Association · 2024
    Case-control study100 participantsHair Health forZinc
  13. 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
  14. 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
  15. Treatment response to antioxidants and zinc based on CFH and ARMS2 genetic risk allele number in the Age-Related Eye Disease Study.
    Awh CC; Hawken S; Zanke BW · Ophthalmology · 2015
    Randomized trial989 participantsVision Support forZinc
  16. 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
  17. 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
  18. Clinical, endocrinologic, and biochemical effects of zinc deficiency.
    Prasad AS · Special topics in endocrinology and metabolism · 1986
    Narrative reviewTestosterone Support forZinc
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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
  25. 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
  26. 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
  27. 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
  28. 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
  29. 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
  30. 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
  31. 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
  32. 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
  33. 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
  34. 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
  35. Clinical, endocrinological and biochemical effects of zinc deficiency.
    Prasad AS · Clinics in endocrinology and metabolism · 1986
    Narrative reviewTestosterone Support forZinc
  36. 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
  37. 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
  38. 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