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Zinc (Citrate)

4.8
★ ★ ★ ★ ★
(59 ratings)
Zinc 30 mg
Product Image
Score82
A simple zinc citrate capsule delivers an effective 30 mg amount and long supply. Copper balance remains the main long-term limitation.
How scoring works
Capsule
Quantity:180 Capsule(s) • (180 servings)
Goals:
Immunity
General Health
Testosterone Support
Skin Health
Hair Health

Score 82

A simple zinc citrate capsule delivers an effective 30 mg amount and long supply. Copper balance remains the main long-term limitation.
How scoring works
$28.20($0.15 per serving)
Vitacost
$ 28.20
Pure Formulas
$ 28.50
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Analysis

The capsule supplies 30 mg of zinc as citrate, an organic form with good practical absorption. A one-active formula keeps dosing clear.

The amount is effective but robust for indefinite daily use. No copper is included, so long-term users should consider total dietary and supplemental copper.

One hundred eighty servings create a convenient long supply at a favorable cost. It fits adults who prefer citrate and use the dose for a defined reason.

Who is it for
  • Adults seeking zinc citrate
  • Users wanting a 30 mg dose
  • People who prefer a long-supply capsule
Best for
  • Focused zinc citrate use
  • One-capsule dosing
  • Long-supply value

Pros

  • Uses zinc citrate
  • Clearly states 30 mg
  • Provides 180 servings
  • Offers favorable value

Cons

  • No copper is included
  • Dose is high for indefinite casual use
  • Capsule offers standard rather than specialized delivery

Warnings

  • Extended 30 mg zinc use may lower copper status
  • Zinc can cause nausea on an empty stomach
  • Zinc can reduce absorption of tetracycline and quinolone antibiotics

Nutrient quality

86 Highest impact

A favorable form and meaningful amount provide focused zinc support. The absence of copper makes prolonged daily use less balanced.

Ingredient transparency

84 Highest impact

The zinc form and amount are fully disclosed without a hidden blend. Complete directions and inactive ingredients are absent.

Customer satisfaction

62 Moderate impact

The aggregate rating is very strong and the evidence base is modest. Specific experience details are unavailable, so complaint patterns and purpose fit remain uncertain.

Value for money

94 Highest impact

A favorable form, long supply, and low recurring cost create strong value. The lack of copper is the main long-term trade-off.

Report analysis

Goals

Immunity
Immunity
Impact
Highest effect
A+ Goal FitA+ Strength of SupportC- CoverageA+ Formula Quality
Zinc · 30 mg

Zinc citrate provides a well-absorbed immune nutrient at a strong, clearly disclosed amount. The single active directly supports zinc-dependent immune-cell function.

Narrow coverage means the capsule does not address barrier vitamins or antioxidant nutrients beyond zinc. Prolonged daily use at 30 mg without copper may increase the risk of copper deficiency.

Study evidence
Zinc Supportive 73 studies
General Health
General Health
Impact
Highest effect
A Goal FitA Strength of SupportC- CoverageA+ Formula Quality
Zinc · 30 mg

Zinc is an essential mineral with established roles in immune function, tissue repair, and enzyme activity. The useful citrate form and substantial amount provide focused depth for people who need zinc.

The exact elemental amount and chemical form are fully disclosed. As a single nutrient it lacks broad pathway coverage, and the absence of copper matters during prolonged daily use. Taking 30 mg of zinc daily for an extended period without copper may impair copper status, so long-term use should account for total zinc and copper intake.

Study evidence
Zinc Supportive 60 studies
Testosterone Support
Testosterone Support
Impact
High effect
B Goal FitA Strength of SupportD+ CoverageA Formula Quality
Zinc · 30 mg

Zinc citrate provides focused support for normal testosterone synthesis when zinc status is low. The amount sits in a strong targeted range and uses a well-absorbed form.

The single-mineral design develops one pathway clearly but offers no stress, vitamin D, or boron coverage. Long-term daily use at this amount without copper may disturb mineral balance.

Study evidence
Zinc Disputed 7 studies
Skin Health
Skin Health
Impact
High effect
B- Goal FitB+ Strength of SupportD+ CoverageA+ Formula Quality
Zinc · 30 mg

Zinc citrate provides focused support for skin repair and inflammatory balance when zinc status is inadequate. The amount reaches a useful supplemental range in a clear single-ingredient capsule.

Long-term daily use at this level without copper may contribute to mineral imbalance. The formula offers strong depth for one repair pathway but no structural, hydration, or antioxidant breadth.

Study evidence
Zinc Supportive 66 studies
Hair Health
Hair Health
Impact
High effect
C- Goal FitB+ Strength of SupportD CoverageA Formula Quality
Zinc · 30 mg

Zinc supports normal follicle function and may help when low zinc status contributes to shedding. The citrate form and clearly disclosed amount provide a strong mineral foundation.

A single mineral cannot address hair structure, circulation, or hormonal pathways. Prolonged use at this amount without copper may gradually disturb mineral balance.

Study evidence
Zinc Supportive 22 studies
Vision Support
Vision Support
Impact
Moderate effect
D Goal FitB+ Strength of SupportD- CoverageB- Formula Quality
Zinc · 30 mg

Thirty milligrams of zinc citrate provides a meaningful amount of one nutrient used in established eye-health formulas. Zinc alone cannot supply macular pigments, retinal lipids, or a complete antioxidant network.

The form and elemental amount are clearly disclosed in a lean capsule. Missing copper makes prolonged use less balanced because higher zinc intake can reduce copper status.

Study evidence
Zinc Supportive 39 studies

Ingredients

IngredientAmount per serving
Zinc (Zinc Citrate)
 30 mg
Gluten Free Adults 18–50
Report overview
Zinc (Zinc Citrate) · 30 mg OverallScore82
B+ Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyB+ Value

The zinc citrate source offers sound form quality, while the standard capsule format is serviceable. Its 30 mg elemental serving is clearly stated and fits the preferred effective range. Copper omission limits prolonged daily use, while value is favorable because it offers a below-median serving cost.

View ingredientView products
Loading alternative details
87 Performance

Zinc Picolinate 25 mg

Thompson
<p>Zinc picolinate offers strong absorption potential at a meaningful amount that stays below the usual adult upper limit. The simple formula improves dose clarity, though it omits copper and any non-zinc ingredients supplied by the original.</p>
87 Performance

Zinc Picolinate 22 mg

Solgar
<p>A moderate zinc picolinate amount provides a well-absorbed form without pushing the dose as high as many alternatives. The focused label is easy to assess, but copper and any complementary original ingredients are absent.</p>
86 Performance

Chelated Zinc 30 mg

Carlson
<p>Zinc glycinate chelate supports absorption and tolerance with a clearly stated amount. The single-active design is more transparent than complex blends, though extended daily use without copper may weaken mineral balance.</p>
84 Budget

Zinc Gluconate 30 mg

Swanson
<p>Zinc gluconate provides a clearly disclosed, substantial amount at exceptionally low routine cost. Absorption is reasonable, but sustained daily use without copper may reduce copper status and any non-zinc actives from the original are not replaced.</p>
85 Budget

Zinc Chelate 30 mg

Nature's Way
<p>Zinc bisglycinate offers a well-absorbed form with clear dosing at very low serving cost. The focused capsule omits copper and any supporting ingredients in the original, so prolonged use still requires attention to mineral balance.</p>
86 Budget

L-OptiZinc 30 mg

NOW
<p>Zinc monomethionine provides strong absorption potential with a small amount of chelated copper at economical serving value. The copper addition is too small to fully balance sustained high zinc use, and the focused formula does not replace other original actives.</p>
85 Value

Chelated Zinc 30 mg

Swanson
<p>A branded zinc glycinate chelate combines strong absorption potential with very favorable serving value. The substantial amount and absence of copper make prolonged daily use less suitable without attention to dietary copper.</p>
85 Value

OptiZinc

Source Naturals
<p>Zinc methionine plus a small copper addition offers a useful balance of form quality, disclosure, and serving value. Copper remains modest relative to zinc, and the formula does not preserve any non-zinc actives from the original.</p>
82 Value

Zinc Glycinate

NOW
<p>Zinc bisglycinate provides strong absorption potential at favorable serving value, with pumpkin seed oil as a modest complementary ingredient. Copper is absent, so sustained daily use still needs attention to overall mineral balance.</p>
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