Zinc Gluconate 30 mg

Zinc Gluconate 30 mg

Swanson4.8 (2,560 ratings)
Format:Tablet Quantity: 250 Tablet(s) · 250 servings
Goals
$11.09 $0.04 per serving
AmazonLowest$0.00iHerb$11.09Walmart$11.09iHerb$11.09

About this product

A focused zinc supplement is most useful when zinc intake falls short. The 30 mg serving supports the nutritional needs behind normal immune function, skin repair and hair maintenance. Those roles do not establish extra benefit once enough zinc is already consumed.

Zinc gluconate is clearly identified and has favorable absorption characteristics in the supplied findings. The stated elemental dose removes the need to infer zinc content from compound weight. Its form does not establish better hair or vision outcomes, and ordinary daily zinc use cannot inherit findings from specific lozenge regimens.

The low serving cost makes it an economical way to obtain a clearly stated zinc amount. Copper is not disclosed, so the information does not establish the balance between those minerals. With 30 mg already supplied, combining it with other zinc sources needs attention.

Who is it for
  • Adults filling low dietary zinc intake
  • People seeking a focused zinc supplement with a named source
Best for
  • Budget-conscious zinc gap coverage
  • An easily compared elemental zinc serving

Pros

  • Named gluconate source with favorable absorption characteristics
  • Elemental zinc amount is clearly stated
  • Low serving cost for targeted zinc nutrition

Cons

  • Copper amount is not supplied
  • No established extra hair or hormone benefit once zinc needs are met
  • Limited rationale for routine standalone vision improvement

Warnings

  • Each serving supplies 30 mg zinc; include food and other supplements when checking against the supplied 40 mg adult daily upper limit.

Product analysis

89 out of 100

Zinc Gluconate 30 mg offers an economical source of zinc for normal immune, skin and hair functions when dietary intake falls short.

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

Nutrient Quality80

The zinc gluconate form is clearly identified and compares favorably for ingredient quality. The form does not by itself establish better skin or hair outcomes.

Ingredient Transparency100

The zinc amount and form are both disclosed. That makes comparison with other zinc supplements straightforward.

Value For Money100

The low cost per serving makes zinc economical. The single-ingredient formula keeps that comparison clear.

Customer Satisfaction87

Customer feedback is favorable across thousands of reviews. The large review base gives a broad picture of satisfaction.

Product Focus78

The formula focuses on zinc nutrition, with benefits most relevant when intake is low. Extra zinc does not establish better immunity, hair or skin once needs are met.

Format
Tablet
Container
250 Tablet(s)
Per serving
$0.04
Customer rating
4.8 · 2,560 ratings
Report analysis

Goals

Immunity
Immunity
Impact
Highest effect
A Ingredient FitB+ PathwaysA+ EvidenceA+ Formulation Logic
Zinc · 30 mg

Zinc supplies a nutrient needed for normal immune-cell function, with usefulness mainly when intake is low. Cold-treatment findings from early, repeated zinc lozenges cannot be transferred to a generic single serving.

How this product is rated for Immunity

Ingredient fit93

Zinc provide the main immune-related focus. The included amounts fully meet the saved amount comparison; this does not establish extra benefits above nutritional adequacy.
Goal fit
Zinc provide the main immune-related focus.
Dose adequacy
The included amounts fully meet the saved amount comparison; this does not establish extra benefits above nutritional adequacy.

Pathways80

The strongest area is lymphocyte function and immune regulation, with substantial coverage from the relevant ingredients.
Depth
The strongest area is lymphocyte function and immune regulation, with substantial coverage from the relevant ingredients.
Breadth
The areas reaching the saved coverage threshold are innate immune cell activity, lymphocyte function and immune regulation.

Evidence100

Zinc leads the saved evidence comparison; its nutritional role does not establish extra infection prevention.
Evidence strength
Zinc leads the saved evidence comparison; its nutritional role does not establish extra infection prevention.
Studied preparation
The eligible preparations match those accepted in the saved findings, without implying superior forms or broader clinical benefits.

Formulation logic100

None of the evaluated ingredient conflicts was triggered. The relevant ingredients can contribute independently or have their required partner present; no extra combined effect is established.
Partner coverage
The relevant ingredients can contribute independently or have their required partner present; no extra combined effect is established.
Conflicts
None of the evaluated ingredient conflicts was triggered.
Effective doses
All included ingredients meet the saved minimum amount comparison; this is not itself a clinically proven effectiveness 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 helps maintain normal testosterone when low zinc intake has impaired it; additional increases with adequate intake are not established.

How this product is rated for Testosterone Support

Ingredient fit93

Zinc anchors the relevant ingredient connection. The included amounts reach the upper comparison references.
Goal fit
The relevant ingredient content is focused, although the product is also linked to other health goals.
Dose adequacy
The included amounts reach their upper comparison references; this does not establish greater testosterone effects at higher intakes.

Pathways0

The saved findings do not assign coverage to a specific testosterone-related route. Nutritional relevance remains distinct from evidence of raising hormone levels.
Depth
No testosterone-related route receives measurable coverage in the saved findings, despite the ingredient’s separate nutritional connection.
Breadth
No route reaches the meaningful-coverage threshold, leaving the hormone-related connection limited.

Evidence93

Zinc’s clearest relevance is correcting low intake associated with impaired testosterone. The supplied evidence does not establish extra enhancement when zinc status is adequate.
Evidence strength
Zinc leads the included evidence finding, with its population and nutritional-status limitations governing the expected hormone benefit.
Studied preparation
The included ingredients meet the saved preparation comparison; this does not establish routine testosterone enhancement.

Formulation logic100

The retained ingredients meet the partner and minimum amount conditions, with no listed conflict triggered. These findings do not prove added hormone benefit.
Partner coverage
The included ingredients have no unmet partner requirement; the combination is not evidence of added hormone benefit.
Conflicts
None of the listed ingredient-conflict conditions was triggered by the supplied facts.
Effective doses
All ingredients retained in this finding meet its minimum amount condition; that condition is not a proven effective hormone dose.
Study evidence
Zinc Disputed 7 studies
Everyday Health
Everyday Health
Impact
High effect
A Ingredient FitD+ PathwaysB- EvidenceA+ Formulation Logic
Zinc · 30 mg

Zinc contributes to normal immune nutrition when intake is low, without establishing immune enhancement above adequacy. The declared serving is a nutritional contribution, not evidence of greater benefit above adequate intake.

How this product is rated for Everyday Health

Ingredient fit93

Zinc provides the recorded nutritional connection. The counted amounts fully match the comparison references.
Goal fit
The identified nutritional ingredients provide a focused connection to general health, while the product is also linked to other goals.
Dose adequacy
The counted amounts reach their comparison references; larger amounts do not establish additional benefit.

Pathways52

The strongest connection is to antioxidant and immune defence. Recorded coverage also depends on the amounts available for each function.
Depth
The strongest recorded coverage concerns antioxidant and immune defence, reflecting ingredient availability rather than a measured health improvement.
Breadth
The recorded coverage includes antioxidant and immune defence.

Evidence72

Zinc anchors the recorded evidence finding. Benefits remain conditional on nutritional need rather than proving improved general health in adequately nourished adults.
Evidence strength
Zinc provides the strongest recorded evidence finding; the supplied context supports conditional nutritional usefulness rather than broad disease prevention.
Studied preparation
The counted preparations match those recognized in the saved findings, without establishing that any chemical form or delivery method is superior.

Formulation logic100

No missing partners or configured conflicts were identified. The counted amounts meet the minimum comparison threshold.
Partner coverage
No required ingredient partner is missing from the counted contributions; this does not imply extra benefit from combining nutrients.
Conflicts
No configured ingredient conflict was identified in the supplied findings.
Effective doses
All counted ingredients meet the comparison’s amount threshold; that threshold is not a proven clinical dose.
Study evidence
Zinc Supportive 60 studies
Skin Health
Skin Health
Impact
High effect
A Ingredient FitF PathwaysB+ EvidenceA+ Formulation Logic
Zinc · 30 mg

Zinc supports skin repair and wound healing when intake is inadequate, and deficiency can cause skin lesions. This 30 mg serving receives full amount-based recognition in the saved result, but amounts above nutritional needs do not establish extra skin benefit. The gluconate form does not establish a superior skin effect.

How this product is rated for Skin Health

Ingredient fit93

The formula is focused on its recognized ingredient, although focus alone does not establish a skin benefit. The zinc amount receives full recognition; intake above nutritional requirements does not establish additional skin benefit.
Goal fit
The formula is focused on its recognized ingredient, although focus alone does not establish a skin benefit.
Dose adequacy
The zinc amount receives full recognition; intake above nutritional requirements does not establish additional skin benefit.

Pathways0

The saved result assigns no direct coverage to the assessed skin pathways; nutritional deficiency support remains distinct.
Depth
The saved result assigns no direct coverage to the assessed skin pathways; nutritional deficiency support remains distinct.
Breadth
No assessed skin area meets the saved coverage criterion.

Evidence83

Zinc's relevant support concerns deficiency-related skin lesions and impaired healing, rather than routine improvement in zinc-replete adults.
Evidence strength
Zinc's relevant support concerns deficiency-related skin lesions and impaired healing, rather than routine improvement in zinc-replete adults.
Studied preparation
The saved result recognizes the retained preparations; the supplied scientific context still limits transfer of benefits from specific interventions.

Formulation logic100

No required partner is missing and no configured conflict was matched. All ingredients retained for this check meet its minimum amount criterion; that does not prove effective clinical dosing.
Partner coverage
The recognized ingredients can contribute alone or have the required partner; no missing-partner limitation was found.
Conflicts
No configured conflict was matched in the supplied facts; this does not establish general safety.
Effective doses
All ingredients retained for this check meet its minimum amount criterion; that does not prove effective clinical dosing.
Study evidence
Zinc Supportive 66 studies
Hair Health
Growth Cycle
Hair Health
Impact
High effect
A Ingredient FitF PathwaysA+ EvidenceA+ Formulation Logic
Zinc · 30 mg

Zinc can help with diffuse shedding when zinc intake is low; it does not establish extra hair growth when intake is adequate. The supplied zinc form does not establish superior hair outcomes. The selected serving reaches the saved amount comparison, but this is not a proven hair-treatment dose.

How this product is rated for Hair Health

Ingredient fit93

The formula’s relevant nutrients contribute to the saved ingredient and amount findings. Their normal nutritional roles should be distinguished from a demonstrated increase in hair growth.
Goal fit
The declared active ingredients are focused on the nutrients considered here, although nutrient functions alone do not establish hair growth.
Dose adequacy
The declared amounts reach the saved comparison anchors; these anchors are not proven hair-treatment doses.

Pathways0

No contribution is recorded for the four specified hair mechanisms. This does not establish that the nutrient is ineffective in deficiency.
Depth
No contribution is recorded for the four specified hair mechanisms.
Breadth
The findings do not establish broad coverage of the specified hair mechanisms.

Evidence98

Zinc leads the saved evidence finding; its relevant hair role is correction of low intake or deficiency. Preparation matches do not establish benefit in nutrient-replete adults.
Evidence strength
Zinc provides the strongest saved support, chiefly relevant to low-intake or deficiency-related shedding.
Studied preparation
The compared preparations match the saved references, without proving that this product produces additional hair growth.

Formulation logic100

The counted ingredients have no missing required partners or configured conflicts. Amount findings describe the saved comparison, without establishing synergy or a treatment regimen.
Partner coverage
No required partner is missing for the ingredients receiving a contribution; this does not demonstrate an added combination benefit.
Conflicts
No configured ingredient conflict was identified in the supplied findings.
Effective doses
The counted ingredients reach the saved minimum amount comparison, which is not a proven effective hair-treatment threshold.
Study evidence
Zinc Supportive 22 studies
Eye Health
Eye Health
Impact
High effect
B Ingredient FitD PathwaysB+ EvidenceA+ Formulation Logic
Zinc · 30 mg

Zinc is linked to photoreceptor support. Its clinical evidence concerns defined combinations in selected AMD populations, so this serving does not establish standalone improvement in routine vision.

How this product is rated for Eye Health

Ingredient fit80

Zinc has a known amount and a connection to photoreceptor support, with clinical evidence limited to specific combination regimens.
Goal fit
Zinc provides the relevant connection to photoreceptor support.
Dose adequacy
The known contributing amounts provide partial support against the amount references; these references do not establish effective clinical doses.

Pathways47

The main represented area is photoreceptor structure and visual cycle. The connection is concentrated in one area rather than broad visual-performance support.
Depth
The strongest represented area is photoreceptor structure and visual cycle; this describes ingredient roles rather than demonstrated visual improvement.
Breadth
The represented areas are photoreceptor structure and visual cycle.

Evidence84

Zinc evidence concerns defined combinations and selected AMD populations, limiting expectations for standalone routine visual improvement.
Evidence strength
Zinc provides the leading retained contribution, with the population and outcome limits described for that ingredient.
Studied preparation
The contributing preparations meet the saved preparation checks; this does not establish benefit for every ingredient in routine adult vision.

Formulation logic100

No configured ingredient conflict or missing required partner was identified; this does not establish synergy or clinical effectiveness.
Partner coverage
No required ingredient partner is missing among the retained contributions; this does not establish extra benefit from combining them.
Conflicts
No configured ingredient conflict was identified.
Effective doses
The retained contributions meet the amount threshold used here; that threshold is not proof of clinical benefit.
Study evidence
Zinc Supportive 39 studies

Ingredients

IngredientAmount per servingScore
Zinc (Zinc Gluconate)
 30 mg 79
Adults 18–50
Report overview
Zinc (Zinc Gluconate) · 30 mg OverallScore79
B+ Active Ingredient Quality & BioavailabilityC+ Dose, Safety & Label TransparencyA+ Value
Each serving provides 30 mg of zinc as zinc gluconate. The whole product costs about $0.04 per serving.
How this ingredient is rated

Active Ingredient Quality & Bioavailability80

The stated form is zinc gluconate.
Zinc Form Bioavailability
The stated form is zinc gluconate.

Dose, Safety & Label Transparency67

The zinc amount is recorded as 30 mg per serving; copper information is unavailable for comparison.
Elemental Dose Transparency
The elemental zinc amount and its source form are recorded: 30 mg per serving as zinc gluconate.
Zinc Dosage Safety & Effectiveness
The serving supplies 30 mg of zinc.
Zinc-to-Copper Mineral Balance
The copper amount is unknown in the supplied facts, so the zinc-to-copper relationship cannot be assessed.

Value100

The whole-product price is about $0.04 per serving.
Price Per Serving Efficiency
The whole-product price is about $0.04 per serving.
View ingredientView products
82 Performance

L-OptiZinc 30 mg

NOW
Strong zinc-form quality and a practical dose make this a more dependable routine option than the original. Zinc monomethionine provides excellent absorption potential at a substantial amount. A small copper addition is helpful but remains too low to fully balance sustained high zinc use.
82 Performance

Zinc Picolinate 25 mg

Thompson
Strong zinc-form quality and a practical dose make this a more dependable routine option than the original. Picolinate is a well-absorbed zinc form, and the amount is meaningful without crossing the usual adult upper limit. The simple formula and very low serving cost make it a practical zinc supplement.
82 Performance

Zinc 30 mg

Nature's Life
Strong zinc-form quality and a practical dose make this a more dependable routine option than the original. Zinc picolinate with copper provides a coherent, economical mineral-balance formula. The zinc amount is substantial, and repeated copper entries make the total less clear than it should be.
77 Budget

Zinc 30 mg

Nature Made
This candidate does not cost less per serving than the original, but it is among the closest low-cost choices in the supplied pool. Zinc gluconate provides a meaningful amount in a focused, very inexpensive tablet. It is suitable for targeted use, although prolonged daily intake at this level without copper may gradually disturb copper balance.
80 Budget

Zinc Chelate 30 mg

Nature's Way
This candidate does not cost less per serving than the original, but it is among the closest low-cost choices in the supplied pool. Zinc bisglycinate provides a well-absorbed form at a robust daily amount. The focused capsule is clearly labeled and very inexpensive, but no copper is included.
76 Budget

Chewable Zinc plus Vitamins C & B-6 Cherry Flavor

21st Century
This candidate does not cost less per serving than the original, but it is among the closest low-cost choices in the supplied pool. A maintenance zinc dose pairs coherently with vitamin C and vitamin B6 at very good serving value. Duplicate vitamin C entries make the source split unclear, but the active profile remains practical for general use.
91 Value

Zinc Picolinate 22 mg

Solgar
The combination of form quality, practical dosing, and serving value provides a stronger quality-to-cost balance than the original. Picolinate offers strong absorption potential at a useful maintenance amount. The focused formula and very low serving cost make it a practical choice without an obvious dosing excess.
90 Value

Chelated Zinc 30 mg

Swanson
The combination of form quality, practical dosing, and serving value provides a stronger quality-to-cost balance than the original. A branded glycinate chelate offers excellent absorption potential at a substantial amount. The simple capsule is highly economical, though sustained use without copper may impair mineral balance.
90 Value

OptiZinc

Source Naturals
The combination of form quality, practical dosing, and serving value provides a stronger quality-to-cost balance than the original. Zinc methionine provides a well-absorbed chelated form at a robust amount, and added copper offers partial balance. The copper amount is small relative to the zinc, but the formula is safer for sustained use than unbalanced high-dose options.
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