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Zinc

4.8
★ ★ ★ ★ ★
(4997 ratings)
Zinc 22.5 mg
Product Image
Score72
A practical large-count bisglycinate tablet with a sensible zinc amount, though the food blend adds little.
How scoring works
Tablet
Quantity:120 Tablet(s) • (120 servings)
Goals:
General Health
Immunity
Testosterone Support
Hair Health
Skin Health

Score 72

A practical large-count bisglycinate tablet with a sensible zinc amount, though the food blend adds little.
How scoring works

Also available as

1 option
60 servings Zinc 22.5 mg • 60 Tablet(s) • 60 servings $17.99 ($0.29 per serving)
$27.99($0.23 per serving)
Vitacost
$ 29.43
iHerb
$ 27.99
Report prices

Analysis

The chelated bisglycinate form supports reliable absorption and is often easier to tolerate than basic zinc salts. Its 22.5 mg amount is substantial without crossing the usual adult upper limit.

A small nourishing food blend does not materially change the formula's role. The pressed tablet format is less streamlined than a capsule and may involve more non-active material.

The larger bottle improves convenience and serving economics over the smaller version. It remains a zinc product first, with the food blend acting mostly as label decoration.

Who is it for
  • Regular zinc users
  • People seeking bisglycinate
  • Adults wanting a larger supply
Best for
  • Maintenance zinc supplementation
  • Users prioritizing tolerability
  • Longer-supply tablet routines

Pros

  • Good bisglycinate form
  • Well-aligned 22.5 mg amount
  • Large-count package

Cons

  • Food blend is too small to matter
  • Tablet delivery is basic
  • No copper included

Warnings

  • Avoid combining routinely with other high-zinc supplements, which may cause nausea or affect copper balance.

Nutrient quality

81 Highest impact

The bisglycinate form and substantial zinc amount provide strong nutrient quality. A small unnamed food blend adds little, while the zinc level remains suitable for general targeted use.

Ingredient transparency

61 Moderate impact

The zinc amount and form are clear, but the food blend hides its components. Inactive tablet ingredients and complete use directions are not supplied.

Customer satisfaction

73 High impact

Aggregate customer metrics indicate strong satisfaction from a very large sample. Missing feedback details prevent judging repeated complaints or whether experiences match the intended use.

Value for money

75 High impact

A premium zinc form and longer supply provide good value. The vague food blend remains a minor quality weakness.

Report analysis

Goals

General Health
General Health
Impact
Highest effect
A Goal FitA Strength of SupportC CoverageA- Formula Quality
Zinc · 22.5 mg

The clearly disclosed zinc bisglycinate provides focused support for immune function, antioxidant defenses, and other basic processes. Its chelated form and substantial maintenance amount make the formula more useful than a token zinc addition.

The narrow formula does not cover the wider range of nutrients involved in daily health. Long-term users should count zinc from food and other supplements because sustained high total intake can reduce copper status.

Study evidence
Zinc Supportive 60 studies
Immunity
Immunity
Impact
High effect
A- Goal FitB+ Strength of SupportC CoverageB- Formula Quality
Zinc · 22.5 mg

Chelated zinc provides focused support for immune readiness, enzyme activity, and normal cellular function. The amount is substantial and the bisglycinate form is clearly disclosed.

The small nourishing blend is not detailed enough to add much confidence or breadth. Long-term users should account for zinc from other supplements because the formula does not show added copper.

Study evidence
Zinc Supportive 73 studies
Testosterone Support
Testosterone Support
Impact
High effect
B- Goal FitA- Strength of SupportC- CoverageA Formula Quality
Zinc · 22.5 mg

Zinc provides a relevant route to testosterone support. The disclosed amount appears meaningful for that focused role.

The formula remains narrow rather than comprehensive. Zinc is best viewed as targeted support rather than proof of a clinical benefit.

Study evidence
Zinc Disputed 7 studies
Hair Health
Hair Health
Impact
High effect
B Goal FitA- Strength of SupportD CoverageA- Formula Quality
Zinc · 22.5 mg

Zinc supports follicle cell division, protein synthesis, and normal repair, making it relevant when low zinc status contributes to shedding. Evidence is strongest for correcting deficiency rather than promoting extra growth in zinc-replete users.

The 22.5 mg amount is substantial, and zinc bisglycinate is a well-absorbed form with clear disclosure. The small food blend adds little assessable hair support, while long-term stacking with other zinc products could impair copper balance.

Study evidence
Zinc Supportive 22 studies
Skin Health
Skin Health
Impact
High effect
C Goal FitA Strength of SupportC- CoverageB Formula Quality
Zinc · 22.5 mg

Chelated zinc supports normal skin barrier function and tissue repair, especially when zinc intake is low. It is not a comprehensive skin formula and offers no direct collagen, hydration, or photoprotection active.

The amount and bisglycinate form are favorable, while the tablet format is a modest limitation. The small nourishing food blend is not detailed enough to add meaningful skin evidence.

Study evidence
Zinc Supportive 66 studies

Ingredients

IngredientAmount per serving
Zinc (Zinc Bisglycinate)
 22.5 mg
Nourishing Food Blend
26 mg
Gluten Free Adults 18–50 Vegan Kosher Dairy Free Vegetarian
Report overview
Zinc (Zinc Bisglycinate) · 22.5 mg OverallScore84
A Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyC Value

The chelated bisglycinate form offers strong absorption potential and generally good digestive tolerance. Its clearly stated maintenance dose remains below the usual adult upper intake limit and carries a low copper-imbalance concern. The tablet delivery is less appealing than a capsule, while the serving cost sits just above the collection median.

View ingredientView products
Loading alternative details
87 Performance

Zinc Picolinate 22 mg

Solgar
The focused 22 mg zinc picolinate formula offers strong absorption and a more practical maintenance amount than the original's small, poorly described food blend. Its clear single-active label also removes the uncertainty created by unnecessary or opaque additions.
87 Performance

Zinc Picolinate 25 mg

Thompson
A clearly disclosed 25 mg zinc picolinate dose is easier to use routinely than the original's small, poorly described food blend. The simple formula combines favorable absorption with an amount below the usual adult upper limit.
86 Performance

L-OptiZinc 30 mg

NOW
L-OptiZinc monomethionine provides a specific, well-absorbed form that improves on the original's small, poorly described food blend. The small copper addition offers some balance, although it may not fully offset sustained intake of 30 mg zinc.
84 Budget

Zinc Gluconate 30 mg

Swanson
Its lower recurring cost improves the value comparison, while 30 mg zinc gluconate reduces the dosing concern compared with the original's small, poorly described food blend. The form and amount are clearly stated, though sustained use still calls for attention to copper intake.
85 Budget

Zinc 30 mg

Nature Made
Its lower recurring cost improves the value comparison, and the focused 30 mg zinc gluconate tablet avoids the extra or opaque ingredients in the original's small, poorly described food blend. The amount remains substantial without reaching the common 50 mg excess seen in many originals.
85 Budget

Zinc Chelate 30 mg

Nature's Way
Its lower recurring cost improves the value comparison, while 30 mg zinc bisglycinate provides a well-absorbed chelate with a simpler profile than the original's small, poorly described food blend. No copper is included, so prolonged daily use still deserves caution.
85 Value

Chelated Zinc 30 mg

Swanson
TRAACS zinc glycinate supplies a specific 30 mg chelate with strong absorption potential, giving better quality for the cost than the original's small, poorly described food blend. The capsule stays focused and economical, although it does not include copper.
86 Value

Chelated Zinc 30 mg

Carlson
A 30 mg zinc glycinate chelate combines favorable absorption and digestive tolerance with strong serving value compared with the original's small, poorly described food blend. The long supply supports economical use, but ongoing intake may still reduce copper status.
83 Value

Zinc 30 mg

Nature's Life
Zinc picolinate plus copper offers a more complete mineral-balance approach for the cost than the original's small, poorly described food blend. The copper addition is useful, although repeated copper entries make the exact total less clear than it should be.
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