High Absorption Zinc Bisglycinate 50 mg

High Absorption Zinc Bisglycinate 50 mg

Doctor's Best4.8 (4,624 ratings)
Format:Capsule Quantity: 90 Veggie Cap(s) · 90 servings
Goals
$12.35 $0.13 per serving

About this product

A favorable zinc form and low serving cost are useful strengths, but the high amount limits everyday suitability. Zinc bisglycinate chelate has favorable absorption characteristics, and the source and amount are clearly named. Better absorption does not establish extra benefit when zinc needs are already met.

The supported uses center on normal nutrient functions. Zinc may help immune nutrition, skin repair and deficiency-related shedding, while its testosterone relevance also depends on low zinc status. The single nutrient does not reproduce a complete specialized eye-health combination.

Each serving supplies 50 mg zinc, above the supplied adult upper intake level of 40 mg. The findings flag copper depletion with repeated high zinc exposure, and no copper amount is given. The low cost is attractive only if the amount and duration fit the user's needs.

Who is it for
  • Adults needing a higher zinc amount with supervision
  • People comparing clearly identified zinc forms for a defined nutritional need
Best for
  • Obtaining an identified zinc chelate at a low serving cost when higher intake is justified

Pros

  • Bisglycinate has favorable absorption characteristics
  • Both the form and elemental amount are clearly stated
  • Qualitative value is favorable for the identified zinc source

Cons

  • The fixed serving is high for ordinary maintenance
  • Extra hair or testosterone benefits are not established with adequate zinc intake
  • Single-nutrient content does not reproduce a full eye-health regimen

Warnings

  • The 50 mg zinc serving exceeds the adult upper intake level of 40 mg and is unsuitable for casual ongoing use without supervision.
  • High zinc exposure can lower copper levels; the supplied information does not establish a copper contribution.

Product analysis

91 out of 100

High Absorption Zinc Bisglycinate 50 mg offers competitively priced zinc for normal immune function and skin repair, with benefits most relevant when intake is low.

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

Nutrient Quality100

Zinc bisglycinate is a favorable choice of form for absorption. The high zinc serving can deplete copper, making nutrient balance an important suitability concern.

Ingredient Transparency100

The zinc amount and form are both disclosed. That makes this single-nutrient formula straightforward to compare.

Value For Money80

The zinc content offers favorable value at the serving cost. A low cost does not establish greater benefit from a high amount.

Customer Satisfaction90

Customer feedback is very positive across thousands of ratings. Those ratings provide a substantial satisfaction picture without establishing effectiveness or nutrient balance.

Product Focus79

The single nutrient gives the formula a clear focus on zinc nutrition. Expected benefits for immunity, skin and other uses mainly depend on correcting low intake.

Format
Capsule
Container
90 Veggie Cap(s)
Per serving
$0.13
Customer rating
4.8 · 4,624 ratings
Report analysis

Goals

Testosterone Support
Impact
High effect
A Ingredient FitF PathwaysA EvidenceA Formulation Logic
Zinc · 50 mg
Study evidence
Zinc Disputed 7 studies
Immunity
Impact
Highest effect
A Ingredient FitB+ PathwaysA+ EvidenceA Formulation Logic
Zinc · 50 mg
Study evidence
Zinc Supportive 73 studies
Skin Health
Impact
High effect
A Ingredient FitF PathwaysB+ EvidenceA+ Formulation Logic
Zinc · 50 mg
Study evidence
Zinc Supportive 66 studies
Hair Health
Impact
High effect
A Ingredient FitF PathwaysA+ EvidenceA+ Formulation Logic
Zinc · 50 mg
Study evidence
Zinc Supportive 22 studies
Everyday Health
Impact
High effect
A Ingredient FitD+ PathwaysB- EvidenceA Formulation Logic
Zinc · 50 mg
Study evidence
Zinc Supportive 60 studies
Eye Health
Impact
Highest effect
A Ingredient FitC PathwaysB+ EvidenceA Formulation Logic
Zinc · 50 mg
Study evidence
Zinc Supportive 39 studies

Ingredients

IngredientAmount per servingScore
Zinc (Zinc Bisglycinate Chelate)
50 mg 76
Gluten Free Adults 18–50 Vegan Vegetarian
Report overview
A+ Active Ingredient Quality & BioavailabilityD+ Dose, Safety & Label TransparencyB+ Value
Each serving provides 50 mg zinc at a fairly low cost per serving. It uses Zinc Bisglycinate; above the adult upper intake level for long-term daily use. The copper amount is unknown, so the zinc-to-copper balance is unclear.
How this ingredient is rated

Active Ingredient Quality & Bioavailability100

The zinc comes from Zinc Bisglycinate.
Zinc Form Bioavailability
Zinc Bisglycinate is the stated zinc form.

Dose, Safety & Label Transparency51

The label states the zinc amount and source. The copper amount is unknown, so the zinc-to-copper balance is unclear.
Elemental Dose Transparency
The label states 50 mg elemental zinc and names its source.
Zinc Dosage Safety & Effectiveness
The 50 mg serving is above the adult upper intake level for long-term daily use.
Zinc-to-Copper Mineral Balance
The copper amount is unknown, so the zinc-to-copper balance is unclear.

Value80

The cost per labeled serving is fairly low.
Price Per Serving Efficiency
The cost per labeled serving is fairly low.
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