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Zinc 30 mg

Nature Made
4.7
★ ★ ★ ★ ★
(24631 ratings)
Zinc 30 mg
Product Image
Score85
A simple 30 mg zinc gluconate tablet offers strong value and clear dosing. Long-term daily use needs attention to copper balance.
How scoring works
Quantity:100 Tablet(s) • (100 servings)
Goals:
General Health
Immunity
Testosterone Support
Vision Support
Hair Health

Score 85

A simple 30 mg zinc gluconate tablet offers strong value and clear dosing. Long-term daily use needs attention to copper balance.
How scoring works
$4.69($0.04 per serving)
Pure Formulas
$ 5.16
Vitacost
$ 5.13
Walmart
$ 4.99
Amazon
$ 4.69
iHerb
$ 5.23
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Analysis

Each tablet provides 30 mg of zinc as gluconate, a familiar and effective form. The focused label makes dosing straightforward.

The amount is below the adult upper limit but high enough that long-term stacking can affect copper balance. No copper is included, so diet and other supplements matter.

A 100-tablet supply is economical and convenient. It fits adults seeking a robust zinc dose who monitor duration and total mineral intake.

Who is it for
  • Adults seeking a robust zinc gluconate dose
  • Budget-focused users
  • People using zinc for a defined period
Best for
  • Focused zinc supplementation
  • One-tablet use
  • Long-supply value

Pros

  • Uses zinc gluconate
  • Clearly states 30 mg of zinc
  • Provides 100 servings
  • Offers excellent value

Cons

  • No copper is included
  • Dose is high for indefinite casual use
  • Tablet delivery is basic

Warnings

  • Thirty milligrams of zinc may cause nausea when taken on an empty stomach
  • Prolonged daily use can reduce copper absorption
  • Separate zinc from tetracycline or quinolone antibiotics as directed

Nutrient quality

84 Highest impact

A practical form and meaningful amount support effective zinc delivery. The lack of copper makes prolonged daily use less balanced.

Ingredient transparency

84 Highest impact

The active form and amount are fully disclosed. Complete directions and inactive ingredients remain unavailable.

Customer satisfaction

72 High impact

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

Value for money

98 Highest impact

A meaningful amount and exceptionally low recurring cost create excellent value. The only notable trade-off is the lack of copper for prolonged use.

Report analysis

Goals

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

Zinc gluconate supplies a meaningful amount of an essential trace mineral. The clearly disclosed dose can support zinc status, immune function, and many enzymes.

The focused formula offers strong depth but little breadth beyond zinc-related functions. Long-term daily use at this amount without copper may contribute to copper imbalance, especially when dietary copper is low.

Study evidence
Zinc Supportive 60 studies
Immunity
Immunity
Impact
Highest effect
A Goal FitA Strength of SupportD+ CoverageA Formula Quality
Zinc · 30 mg

Zinc directly supports immune-cell development, signaling, and barrier function at a strong supplemental amount. Gluconate is a practical and clearly disclosed form.

The focused design provides depth in one important pathway but no broader immune coverage. Long-term daily use without copper may gradually impair copper balance.

Study evidence
Zinc Supportive 73 studies
Testosterone Support
Testosterone Support
Impact
High effect
B+ Goal FitA- Strength of SupportC- CoverageA- Formula Quality
Zinc · 30 mg

Zinc gluconate at 30 mg provides a relevant building block for testosterone production, particularly for people with inadequate zinc intake. The dose is effective but does not create broad support across stress, vitamin D, or free-hormone pathways.

The organic zinc form and clear label support practical use. Extended daily use without copper may impair copper balance, so the product fits targeted or time-limited supplementation better than indefinite use.

Study evidence
Zinc Disputed 7 studies
Vision Support
Vision Support
Impact
High effect
B Goal FitA- Strength of SupportD+ CoverageA+ Formula Quality
Zinc · 30 mg

Zinc gluconate supports retinal enzymes and vitamin A transport. Used alone, it does not cover macular pigments, antioxidant vitamins, copper balance, or retinal lipids.

The amount is meaningful and the form is clearly disclosed. Prolonged use with other zinc supplements may impair copper balance or cause digestive discomfort.

Study evidence
Zinc Supportive 39 studies
Hair Health
Hair Health
Impact
High effect
B Goal FitB+ Strength of SupportF CoverageB+ Formula Quality
Zinc · 30 mg

Zinc gluconate may support hair when zinc status is low. A single mineral does not cover the wider structural, hormonal, and antioxidant needs of hair follicles.

The amount and source are transparent, but the daily dose is relatively high for ongoing use. Taking 30 mg long term without copper may gradually disturb copper balance.

Study evidence
Zinc Supportive 22 studies
Skin Health
Skin Health
Impact
Moderate effect
C Goal FitB- Strength of SupportD- CoverageB Formula Quality
Zinc · 30 mg

Zinc supports normal skin repair and barrier function, and gluconate is a reasonable form. The amount is substantial for routine daily use.

The single-mineral formula does not support collagen structure, hydration, or antioxidant breadth. Long-term daily use without copper may gradually disturb mineral balance.

Study evidence
Zinc Supportive 66 studies

Ingredients

IngredientAmount per serving
Zinc (Zinc Gluconate)
 30 mg
Gluten Free Adults 18–50
Report overview
Zinc (Zinc Gluconate) · 30 mg OverallScore86
B Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyA+ Value

Zinc gluconate provides an effective maintenance dose in a standard tablet. The label clearly identifies both the amount and source, while the cost per serving is very low. Long-term daily use at 30 mg without copper may gradually affect copper balance.

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