Zinc Glycinate

Zinc Glycinate

NOW4.8 (27,089 ratings)
Format:Softgel Quantity: 120 Softgel(s) · 120 servings
Goals

About this product

Zinc bisglycinate supplies a clearly identified and well-rated zinc form at 30 mg per softgel. The dose provides full zinc coverage in the supplied findings and fits targeted supplementation better than a modest everyday top-up.

Pumpkin seed oil is included at 250 mg, but its preparation is not described and its role is secondary to the zinc. No copper amount is shown, leaving an important mineral-balance question for anyone considering regular long-term use.

The formula aligns most clearly with normal immune, hair and skin functions when zinc intake or status is low. Broader testosterone and eye-health conclusions are more limited because the supplied findings do not show a general benefit in zinc-replete users or establish fit with specific multi-ingredient regimens.

Who is it for
  • Adults seeking 30 mg of zinc in bisglycinate form
  • People who prefer a softgel over a tablet or capsule
  • Users with a specific reason to choose targeted zinc supplementation
Best for
  • Targeted zinc intake
  • Supporting normal immune function when zinc intake is low
  • Zinc-related hair and skin nutrition

Pros

  • Uses clearly identified zinc bisglycinate
  • Declares the full 30 mg zinc amount
  • Simple two-ingredient active formula
  • Pumpkin seed oil is included with a stated amount

Cons

  • No copper amount is disclosed
  • Pumpkin seed oil preparation details are missing
  • Dose is higher than typical daily zinc requirements
  • Pumpkin seed oil adds limited support relative to the dominant zinc dose

Warnings

  • The 30 mg zinc dose is high for routine long-term use without a clear need.
  • Copper content is unknown, so the zinc-to-copper balance cannot be assessed.

Product analysis

79 out of 100

Zinc Glycinate provides zinc in a form with good absorption potential and may help fill a dietary gap that affects normal immune function. The added pumpkin seed oil has limited evidence for hair benefits from this particular formula.

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

Nutrient Quality73

Zinc bisglycinate has good absorption potential. The pumpkin seed oil form is unspecified, so its quality is less clear.

Ingredient Transparency81

Both active amounts are disclosed, making the serving straightforward to compare. The zinc form is named, while the pumpkin seed oil form is not.

Value For Money80

The low cost per serving supports good value for the zinc. The added pumpkin seed oil has no separate value information to show what it contributes for the price.

Customer Satisfaction94

Customer feedback is very positive across a large review base. Tens of thousands of ratings provide a well-established picture of satisfaction.

Product Focus74

The main use is filling a zinc gap that may affect immune function, skin or hormone health. Additional zinc is less likely to help when intake is already adequate, and hair benefits from the oil remain uncertain.

Format
Softgel
Container
120 Softgel(s)
Per serving
$0.08
Customer rating
4.8 · 27,089 ratings
Report analysis

Goals

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

Zinc contributes to ordinary immune and antioxidant functions. These nutrients can help fill dietary gaps; amounts above nutritional adequacy do not establish additional general-health benefits.

How this product is rated for Everyday Health

Ingredient fit79

The retained nutrients provide nutritional contributions, with the serving amounts determining how fully the saved references are covered.
Goal fit
The formula includes relevant nutrients alongside other active ingredients, making its focus less specific.
Dose adequacy
The retained serving amounts meet their saved references; this does not imply extra benefit from exceeding ordinary nutritional needs.

Pathways52

The strongest saved area is antioxidant and immune defence; breadth depends on the other retained nutrient contributions.
Depth
The saved findings are strongest for antioxidant and immune defence, reflecting the retained nutrients’ nutritional roles.
Breadth
The saved findings cover antioxidant and immune defence.

Evidence72

Zinc provides the strongest saved evidence connection, limited here to conditional nutritional usefulness.
Evidence strength
Zinc leads the saved evidence finding; its practical general-health role is filling a dietary gap rather than guaranteeing disease prevention.
Studied preparation
The retained ingredients meeting the amount threshold match recognized preparation categories; no superior form or delivery benefit is established.

Formulation logic100

No configured partner gap or ingredient conflict was found; retained amount coverage varies by nutrient.
Partner coverage
The saved findings identify no missing required ingredient partner.
Conflicts
No configured ingredient conflict was matched.
Effective doses
All retained nutrients meet the saved amount threshold, which is a comparison reference rather than proof of added health benefits.
Study evidence
Zinc Supportive 60 studies
Hair Health
Impact
High effect
A- Ingredient FitF PathwaysA- EvidenceA+ Formulation Logic
Zinc · 30 mg

Zinc can help shedding related to inadequate zinc intake. Pumpkin seed oil has limited hair-count evidence from a specific combination formulation in men with androgenetic alopecia, which does not establish the same effect from this generic oil. Its 250 mg serving is below the reviewed formulation's oil exposure; the combination does not establish added benefit.

How this product is rated for Hair Health

Ingredient fit89

The formula's hair relevance and amount support depend on the counted ingredients and their nutritional or preparation limits.
Goal fit
The relevant ingredients give this formula a focused connection to hair nutrition.
Dose adequacy
The counted ingredients only partly meet the saved amount comparisons; small or unresolved amounts limit their contribution.

Pathways13

The recorded mechanism coverage is selective and does not by itself establish hair regrowth.
Depth
Androgen-related signalling is the strongest represented mechanism, although generic botanical preparations limit clinical interpretation.
Breadth
None of the evaluated hair mechanisms reached the saved coverage threshold.

Evidence89

The saved evidence comparison reflects the counted ingredients; nutritional conditions and preparation differences determine what hair benefits can be expected.
Evidence strength
Zinc provides the strongest counted evidence comparison, with benefits limited by the ingredient-specific nutritional or preparation context.
Studied preparation
Some counted materials lack a match to the studied preparations; Pumpkin Seed Oil limit that match.

Formulation logic100

The counted ingredients satisfy the saved partner and conflict checks, with amount limitations described below.
Partner coverage
The counted ingredients have no unmet partner requirement in the supplied findings.
Conflicts
No configured ingredient conflict was identified; this finding does not establish overall safety.
Effective doses
All counted ingredients meet the saved minimum amount comparison, which is not a proven clinical effectiveness threshold.
Study evidence
Zinc Supportive 22 studies
Immunity
Impact
Highest effect
B Ingredient FitB+ PathwaysA+ EvidenceA+ Formulation Logic
Zinc · 30 mg

Zinc contributes to normal immune-cell function and can help fill a dietary gap. Its declared amount fully meets the saved comparison, with the main contribution assigned to lymphocyte regulation and innate activity. Normal nutritional function does not establish infection prevention. Cold-duration findings from particular early, repeated zinc-lozenge regimens cannot be transferred to an ordinary single serving or generic daily zinc.

How this product is rated for Immunity

Ingredient fit79

Zinc has a relevant nutritional role and a substantial amount, with broader product targeting reducing goal focus.
Goal fit
Zinc is relevant, but the product's wider targeting reduces its focus on this goal.
Dose adequacy
Zinc fully meets the saved amount comparison; this is not a general cold-treatment dose.

Pathways80

Lymphocyte regulation leads, with substantial innate immune coverage.
Depth
Lymphocyte function and immune regulation have the strongest coverage.
Breadth
Two immune areas reach substantial coverage.

Evidence100

Zinc leads the saved support finding, limited to normal immune nutrition.
Evidence strength
Zinc supports normal immune function; acute lozenge findings require a specific preparation and regimen.
Studied preparation
Qualifying credited preparations meet the saved preparation criteria; this does not establish superiority of particular forms.

Formulation logic100

Credited ingredients have no assessed missing partner or conflict. Their amount qualification follows the saved findings.
Partner coverage
Credited ingredients work alone or have their relevant partners.
Conflicts
No assessed ingredient conflict was triggered.
Effective doses
Zinc clears the saved minimum amount threshold.
Study evidence
Zinc Supportive 73 studies
Eye Health
Impact
High effect
C+ Ingredient FitD PathwaysB+ EvidenceA+ Formulation Logic
Zinc · 30 mg

Zinc’s eye-health findings likewise concern the complete AREDS regimen, without establishing standalone visual improvement.

How this product is rated for Eye Health

Ingredient fit66

Zinc provide the saved connections, with usable serving amounts determining the extent of the comparison.
Goal fit
Zinc provides the relevant ingredient connection, within a formula also containing ingredients for other purposes.
Dose adequacy
The declared serving amounts provide uneven contributions; the amount comparison does not establish a proven vision-support dose.

Pathways47

The represented areas describe the supplied eye-related ingredient roles, without establishing prevention or treatment of eye disease.
Depth
The strongest represented area is photoreceptor structure and visual cycle. This describes ingredient roles rather than demonstrated improvement in vision.
Breadth
The represented areas meeting the comparison threshold are photoreceptor structure and visual cycle.

Evidence84

The supplied human findings concern selected visual-performance outcomes or defined clinical combinations, limiting transfer to routine adult vision support.
Evidence strength
Zinc supplies the leading evidence contribution, with benefits limited by the populations and outcomes studied.
Studied preparation
The qualifying ingredient preparations match the saved comparison; this does not extend results to routine adult vision improvement.

Formulation logic100

The supplied partner and ingredient-conflict checks concern formulation compatibility rather than clinical eligibility for an eye-health regimen.
Partner coverage
The contributing ingredients can act independently or have the partners required by the supplied findings.
Conflicts
No configured ingredient conflict was identified; this is a limited interaction check.
Effective doses
All contributing ingredients meet the amount threshold used for this comparison, which is not a proven vision-support dose.
Study evidence
Zinc Supportive 39 studies
Impact
High effect
B Ingredient FitF PathwaysA EvidenceA+ Formulation Logic
Zinc · 30 mg

Zinc helps maintain normal testosterone when low intake or deficiency impairs hormone function. Repletion findings concern zinc-deficient men; more zinc has not been shown to raise testosterone further when intake is adequate.

How this product is rated for Testosterone Support

Ingredient fit79

Zinc provide the relevant declared ingredients; their human hormone findings constrain what the serving amounts can mean.
Goal fit
The retained testosterone-related ingredients sit within a broader formula containing ingredients serving other purposes.
Dose adequacy
The declared amounts reach the full amount comparison; this does not establish a proven testosterone-enhancing dose.

Pathways0

No hormone-related area receives coverage, despite the ingredient contribution elsewhere. No hormone-related area reaches the retained coverage threshold.
Depth
No hormone-related area receives coverage, despite the ingredient contribution elsewhere.
Breadth
No hormone-related area reaches the retained coverage threshold.

Evidence93

The retained evidence chiefly reflects Zinc, with preparation matching considered separately from applicability to routine use.
Evidence strength
Zinc supplies the strongest retained evidence contribution, subject to its population-specific limitations.
Studied preparation
The retained contributing preparations meet the matching check; this does not establish broader testosterone benefits beyond the studied populations.

Formulation logic100

The retained contributors satisfy the required-partner and minimum-amount checks, and no listed conflict was triggered.
Partner coverage
No retained contributor is missing a required partner in these checks; combining them does not establish a greater hormone effect.
Conflicts
No listed ingredient conflict was triggered by the supplied facts.
Effective doses
All retained contributors meet the minimum amount threshold, which is a comparison convention rather than a proven testosterone-enhancing dose.
Study evidence
Zinc Disputed 7 studies
Skin Health
Impact
High effect
B Ingredient FitF PathwaysB+ EvidenceA+ Formulation Logic
Zinc · 30 mg

Zinc supports skin repair and wound healing when intake is deficient. Extra zinc has no established routine skin benefit when intake is adequate.

How this product is rated for Skin Health

Ingredient fit79

The relevant connection is mainly nutritional support or limited surrogate evidence, rather than established cosmetic improvement.
Goal fit
The relevant connection is mainly nutritional support or limited surrogate evidence, rather than established cosmetic improvement.
Dose adequacy
The declared amounts support the saved exposure comparison; larger nutrient amounts do not establish extra benefit when intake is adequate.

Pathways0

No direct skin route received coverage; nutritional roles remain distinct from demonstrated cosmetic effects.
Depth
No direct skin route received coverage; nutritional roles remain distinct from demonstrated cosmetic effects.
Breadth
No route reaches the supplied coverage benchmark.

Evidence83

Deficiency-related skin roles are clearer than added benefits in adequately nourished adults.
Evidence strength
Deficiency-related skin roles are clearer than added benefits in adequately nourished adults.
Studied preparation
The supplied preparation finding does not establish superiority of a nutrient form or equivalence to a different studied blend.

Formulation logic100

The supplied findings identify no required missing partner or specified conflict. Amount comparisons do not establish combination benefits.
Partner coverage
No missing required partner limits the eligible ingredients; no automatic combination benefit follows.
Conflicts
No specified ingredient conflict was identified in the supplied findings.
Effective doses
The included ingredients meet the supplied minimum exposure comparison; this is not a proven clinical benefit threshold.
Study evidence
Zinc Supportive 66 studies

Ingredients

IngredientAmount per servingScore
Zinc (Zinc Bisglycinate)
30 mg 87
Pumpkin seed Oil
250 mg
Gluten Free Men 18–50 Dairy Free
Report overview
A+ Active Ingredient Quality & BioavailabilityC+ Dose, Safety & Label TransparencyA+ Value
A serving supplies 30 mg of zinc as zinc bisglycinate. The copper amount is unknown in the saved facts, so the zinc-to-copper balance cannot be assessed.
How this ingredient is rated

Active Ingredient Quality & Bioavailability100

Zinc Bisglycinate is the named form of zinc.
Zinc Form Bioavailability
Zinc Bisglycinate is the named form of zinc.

Dose, Safety & Label Transparency67

The serving provides 30 mg of zinc, with no copper amount established in the saved facts.
Elemental Dose Transparency
The elemental zinc amount is stated as 30 mg per serving, alongside its named source.
Zinc Dosage Safety & Effectiveness
The serving supplies 30 mg of zinc.
Zinc-to-Copper Mineral Balance
The copper amount is unknown in the saved facts, so a zinc-to-copper balance cannot be assessed; unknown does not mean zero.

Value100

The whole-product serving costs about $0.09.
Price Per Serving Efficiency
The whole-product serving costs about $0.09.
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