Zinc 30 mg

Zinc 30 mg

Nature Made4.7 (24,631 ratings)
Format:Tablet Quantity: 100 Tablet(s) · 100 servings
Goals
$4.69 $0.04 per serving
AmazonLowest$4.69Walmart$4.99Vitacost$5.13iHerb$5.23Pure Formulas$5.66

About this product

Good value and clear zinc disclosure are the main strengths. Zinc gluconate provides a usable source for filling low intake and supporting normal immune function, without establishing a special clinical advantage over other suitable forms.

The 30 mg amount is below the supplied adult daily upper limit of 40 mg, though it leaves limited room for zinc from other sources. Copper is not quantified, so the balance between these minerals cannot be fully assessed.

The most relevant benefits concern correcting an intake gap. Additional zinc has no established routine benefit for hair regrowth, skin appearance, testosterone or everyday vision once zinc needs are met.

Who is it for
  • Adults seeking an affordable zinc supplement for low dietary intake
Best for
  • Filling a specific zinc gap without added active ingredients

Pros

  • Zinc amount and gluconate source are both identified
  • Good value for the declared zinc contribution
  • A single active keeps the purpose and exposure easy to assess

Cons

  • Copper content is not disclosed
  • Broader hair, skin, hormone and vision benefits remain unestablished with adequate zinc intake

Warnings

  • A 30 mg zinc serving leaves limited room below the adult daily upper limit of 40 mg; account for other zinc supplements and dietary intake

Product analysis

89 out of 100

Zinc 30 mg is an affordable, focused way to fill a zinc gap that can affect normal immune function and skin repair.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality80

Zinc gluconate is a favorable form for how readily the body can use zinc. The form does not by itself establish better health outcomes than other zinc options.

Ingredient Transparency100

The zinc amount and gluconate form are clearly disclosed. That makes it straightforward to identify the ingredient and compare servings.

Value For Money100

The serving cost offers very favorable value for a focused zinc supplement.

Customer Satisfaction92

Customer ratings are very favorable. The review count provides an extensive base of feedback, without confirming health benefits.

Product Focus78

A single nutrient keeps the formula focused on zinc nutrition. Its uses across immune, skin, hair and other functions mainly concern correcting low intake.

Format
Tablet
Container
100 Tablet(s)
Per serving
$0.04
Customer rating
4.7 · 24,631 ratings
Report analysis

Goals

Everyday Health
Everyday Health
Impact
High effect
A Ingredient FitD+ PathwaysB- EvidenceA+ Formulation Logic
Zinc · 30 mg

Zinc supplies a nutrient involved in normal immune and antioxidant functions. The nutritional contributions are most useful when intake is low; extra benefit with adequate intake is not established.

How this product is rated for Everyday Health

Ingredient fit93

Zinc and the other relevant nutrients provide the main connection to general health. The formula is focused on the supported nutritional contribution.
Goal fit
The supported ingredients are focused on general-health nutrition, although the product is linked to several goals.
Dose adequacy
The relevant amounts reach the saved nutritional comparison endpoints; larger amounts do not establish greater benefit.

Pathways52

The strongest area is antioxidant and immune defence. Contributions also reach the saved coverage level across antioxidant and immune defence.
Depth
The strongest supported area is antioxidant and immune defence, through the relevant nutrient contributions.
Breadth
The supported areas reaching the saved coverage level are antioxidant and immune defence.

Evidence72

Zinc provides the strongest supported contribution. The supplied context limits routine expectations to filling nutritional gaps rather than improving outcomes in adequately nourished adults.
Evidence strength
Zinc provides the strongest supported contribution here; usefulness remains conditional on the relevant nutritional or population context.
Studied preparation
The relevant preparations match those recognized by the saved findings; this does not establish superiority of a form or delivery method.

Formulation logic100

The relevant ingredients can contribute independently, and no configured conflict was found. Their presence together does not establish an added combination benefit.
Partner coverage
The relevant ingredients can contribute independently or have their required partners present; no extra combination benefit is established.
Conflicts
No configured ingredient conflict was identified in the supplied findings.
Effective doses
All ingredients retained for contribution meet the saved amount threshold; that threshold does not prove a clinical benefit.
Study evidence
Zinc Supportive 60 studies
Immunity
Immunity
Impact
Highest effect
A Ingredient FitB+ PathwaysA+ EvidenceA+ Formulation Logic
Zinc · 30 mg

Zinc contributes to normal immune function, especially as nutritional support when intake is low. The 30 mg serving reaches the saved full amount comparison, but that does not establish infection prevention or a cold-treatment effect. Acute lozenge studies depend on local delivery, timing and repeated short-term use, which cannot be transferred to this single serving. Gluconate receives no automatic clinical advantage over other zinc forms.

How this product is rated for Immunity

Ingredient fit93

Zinc is the sole counted ingredient with full amount coverage.
Goal fit
Zinc provides a focused immune-nutrition contribution, alongside links to other goals.
Dose adequacy
The serving reaches full amount coverage without establishing an infection-prevention or acute-treatment dose.

Pathways80

Zinc contributes to innate-cell activity and lymphocyte regulation.
Depth
Lymphocyte function and immune regulation reaches full coverage.
Breadth
Innate immune cells and lymphocyte regulation both meet the coverage threshold.

Evidence100

Zinc supplies the evidence finding for normal immune nutrition.
Evidence strength
Zinc leads the evidence contribution, without transferring acute lozenge results to a single ordinary serving.
Studied preparation
The zinc declaration receives full preparation recognition without a gluconate advantage.

Formulation logic100

Zinc satisfies partner requirements and no configured conflict was found.
Partner coverage
Zinc lacks no required partner under the saved checks.
Conflicts
No configured ingredient conflict was matched.
Effective doses
Zinc passes the minimum amount threshold.
Study evidence
Zinc Supportive 73 studies
Testosterone Support
Hormone Production
Testosterone Support
Impact
High effect
A Ingredient FitF PathwaysA EvidenceA+ Formulation Logic
Zinc · 30 mg

Zinc can help restore testosterone when zinc intake is deficient. Higher intake does not establish an additional testosterone increase once zinc needs are met. This product's connection to the goal is therefore nutritional correction rather than demonstrated enhancement in people with adequate zinc.

How this product is rated for Testosterone Support

Ingredient fit93

Zinc is the sole ingredient driving the saved findings.
Goal fit
Zinc is the sole ingredient driving the saved findings.
Dose adequacy
The relevant amounts meet the saved amount criteria; this does not establish a proven testosterone dose.

Pathways0

No tracked hormone pathway received a contribution, despite the nutrient-related findings.
Depth
No tracked hormone pathway received a contribution, despite the nutrient-related findings.
Breadth
None of the tracked pathways met the saved coverage threshold.

Evidence93

Zinc supplies the strongest relevant support, specifically for correcting deficiency.
Evidence strength
Zinc supplies the strongest relevant support, specifically for correcting deficiency.
Studied preparation
The saved findings accepted the relevant preparations as studied; that does not establish extra benefit from a particular form.

Formulation logic100

The included amounts meet the saved minimum criteria, with no missing required partner or configured conflict.
Partner coverage
No required ingredient partner was missing from the saved findings.
Conflicts
No configured ingredient conflict was identified in the saved findings.
Effective doses
All ingredients included in the saved amount analysis passed its minimum threshold; this is not a proven clinical testosterone dose.
Study evidence
Zinc Disputed 7 studies
Eye Health
Eye Health
Impact
High effect
B Ingredient FitD PathwaysB+ EvidenceA+ Formulation Logic
Zinc · 30 mg

Zinc contributes to the product’s connection with the visual cycle. Its clinical vision evidence comes from a defined multi-ingredient regimen for selected people with age-related macular degeneration, so this standalone product does not establish improved everyday vision. The declared serving amount receives credit in the saved result, but that is distinct from demonstrating a clinical benefit.

How this product is rated for Eye Health

Ingredient fit80

Zinc is the sole relevant ingredient; its amount is recognized while routine vision benefit remains unestablished.
Goal fit
The relevant ingredient is the formula’s main connection to vision, although it also serves other nutritional goals.
Dose adequacy
The counted amounts provide partial coverage of the saved reference range, which is not a measured dose-response for improved vision.

Pathways47

The recorded connection centers on photoreceptor structure and visual cycle. Coverage of other visual functions is limited.
Depth
The strongest recorded connection is photoreceptor structure and visual cycle; this describes the ingredients’ assigned roles, rather than a demonstrated improvement in vision.
Breadth
The recorded findings are concentrated in photoreceptor structure and visual cycle, leaving the other visual functions without substantial coverage.

Evidence84

Zinc leads the saved evidence finding. The supplied scientific context narrows what can be expected for routine visual performance.
Evidence strength
Zinc leads the saved evidence finding; the supplied context limits transfer to routine vision improvement.
Studied preparation
The counted preparations receive full recognition in the saved finding; this does not show that the complete product reproduces a clinical regimen.

Formulation logic100

The counted ingredients have no recorded missing-partner or conflict limitation. Meeting the amount threshold does not prove visual benefit.
Partner coverage
No missing partner reduced the counted ingredients’ contribution; this does not establish added benefit from combining them.
Conflicts
No listed ingredient conflict was triggered in the saved finding.
Effective doses
All counted ingredients meet the saved amount threshold; excluded small amounts do not establish ineffectiveness.
Study evidence
Zinc Supportive 39 studies
Hair Health
Growth Cycle
Hair Health
Impact
High effect
A Ingredient FitF PathwaysA+ EvidenceA+ Formulation Logic
Zinc · 30 mg

Zinc can help replace low nutrient intakes that can cause diffuse shedding. This connection concerns correcting a shortfall, rather than established regrowth when intake is adequate. A particular zinc salt does not establish superior hair outcomes.

How this product is rated for Hair Health

Ingredient fit93

The formula is focused on nutrients included in this hair comparison. The counted amounts reach their full reference levels, which are comparison anchors rather than proven regrowth doses.
Goal fit
The formula is focused on nutrients included in this hair comparison.
Dose adequacy
The counted amounts reach their full reference levels, which are comparison anchors rather than proven regrowth doses.

Pathways0

The saved findings do not assign activity to the specified hair-function areas. Nutrient relevance can still concern correcting low intake.
Depth
None of the specified hair-function areas receives a contribution.
Breadth
No specified hair-function area reaches the comparison’s coverage threshold.

Evidence98

Zinc leads the supplied comparison, but its practical hair benefit is tied to correcting a shortfall.
Evidence strength
Zinc leads the supplied comparison, but its practical hair benefit is tied to correcting a shortfall.
Studied preparation
The counted ingredients meet the preparation check, without establishing that this product itself has been tested for hair outcomes.

Formulation logic100

The counted ingredients have no missing required partner or triggered conflict, and their known amounts meet the minimum comparison level.
Partner coverage
The counted ingredients have no missing required partner under the supplied checks.
Conflicts
None of the specific conflict checks was triggered; this does not establish that every ingredient or amount is suitable.
Effective doses
All counted ingredients meet the minimum amount check; this does not identify a clinically effective regrowth dose.
Study evidence
Zinc Supportive 22 studies
Skin Health
Skin Health
Impact
High effect
A Ingredient FitF PathwaysB+ EvidenceA+ Formulation Logic
Zinc · 30 mg

Zinc supports normal skin repair and wound healing. These roles matter when intake is low or deficiency impairs skin health; extra intake has no established cosmetic benefit when nutrient status is adequate. The saved amount assessment is complete, but that does not establish that higher amounts improve skin further.

How this product is rated for Skin Health

Ingredient fit93

Zinc supports normal skin repair and wound healing. Its declared amount meets the saved amount finding.
Goal fit
The relevant nutrient is the focus, although the product is linked to several goals.
Dose adequacy
The relevant declared amount receives full recognition in the saved amount assessment; extra skin benefit from larger amounts is not established.

Pathways0

The saved findings do not cover the selected cosmetic skin pathways.
Depth
No selected structural, hydration, barrier or UV-related pathway received a contribution. Normal nutrient functions remain distinct from these findings.
Breadth
None of the selected pathways reaches the saved coverage threshold.

Evidence83

The saved evidence findings include normal nutrient functions; those do not prove added skin improvement in adequately nourished adults.
Evidence strength
Zinc leads the saved evidence finding, while its practical skin role remains conditional on inadequate intake or deficiency.
Studied preparation
The saved preparation finding is complete for the ingredients included; this does not establish added cosmetic benefit from the declared forms.

Formulation logic100

Partner requirements are satisfied and no matched conflicts were recorded. Amount findings do not establish synergy.
Partner coverage
The included ingredients have no unmet partner requirement in the saved findings; this does not establish added benefit from combining them.
Conflicts
No matched formulation conflict was recorded in the supplied assessment.
Effective doses
All ingredients included in this finding meet its minimum amount criterion; that criterion is not a proven effective skin dose.
Study evidence
Zinc Supportive 66 studies

Ingredients

IngredientAmount per servingScore
Zinc (Zinc Gluconate)
 30 mg 79
Gluten Free Adults 18–50
Report overview
Zinc (Zinc Gluconate) · 30 mg OverallScore79
B+ Active Ingredient Quality & BioavailabilityC+ Dose, Safety & Label TransparencyA+ Value
Each serving supplies 30 mg of zinc as zinc gluconate, a form rated favorably for absorption in the evaluation. A whole-product serving costs about $0.05.
How this ingredient is rated

Active Ingredient Quality & Bioavailability80

Zinc gluconate is rated favorably for absorption in the evaluation.
Zinc Form Bioavailability
Zinc gluconate is rated favorably for absorption in the evaluation.

Dose, Safety & Label Transparency67

The serving provides a substantial 30 mg of zinc. The copper amount is unknown, so the zinc-to-copper balance cannot be assessed.
Elemental Dose Transparency
The saved facts specify 30 mg of elemental zinc per serving and identify zinc gluconate as its source.
Zinc Dosage Safety & Effectiveness
Each serving supplies 30 mg of zinc, a substantial amount in the evaluation.
Zinc-to-Copper Mineral Balance
The copper amount is unknown, so the zinc-to-copper ratio cannot be assessed.

Value100

A whole-product serving costs about $0.05.
Price Per Serving Efficiency
The price is approximately $0.05 per whole-product serving.
View ingredientView products
87 Performance

Zinc Picolinate 25 mg

Thompson

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.

87 Performance

Zinc Picolinate 22 mg

Solgar

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.

86 Performance

Chelated Zinc 30 mg

Carlson

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.

84 Budget

Zinc Gluconate 30 mg

Swanson

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.

85 Budget

Zinc Chelate 30 mg

Nature's Way

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.

86 Budget

L-OptiZinc 30 mg

NOW

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.

85 Value

Chelated Zinc 30 mg

Swanson

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.

85 Value

OptiZinc

Source Naturals

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.

82 Value

Zinc Glycinate

NOW

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.

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 participantsEveryday 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 participantsEveryday 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 participantsEveryday 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 participantsEveryday 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 participantsEveryday Health forZinc
  6. Antioxidant vitamin and mineral supplements for age-related macular degeneration.
    Evans JR · The Cochrane database of systematic reviews · 2002
    Systematic review170 participants7 studies pooledEye Health forZinc
  7. 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 pooledEye Health forZinc
  8. Oral zinc in macular degeneration.
    Newsome DA; Swartz M; Leone NC; Elston RC; Miller E · Archives of ophthalmology (Chicago, Ill. : 1960) · 1988
    Randomized trial151 participantsEye Health forZinc
  9. 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 participantsEye Health forZinc
  10. 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 participantsEye 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. 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
  17. 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
  18. 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
  19. 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
  20. 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