Product Image

Chelated Zinc 50 mg

21st Century
4.7
★ ★ ★ ★ ★
(27698 ratings)
Zinc 50 mg
Product Image
Score73
Low cost and a chelated source are outweighed by an excessive 50 mg zinc serving with no copper. The unnamed chelate ligand also limits form-quality assessment.
How scoring works
Quantity:60 Tablet(s) • (60 servings)
Goals:
Immunity
Testosterone Support

Score 73

Low cost and a chelated source are outweighed by an excessive 50 mg zinc serving with no copper. The unnamed chelate ligand also limits form-quality assessment.
How scoring works
$3.00($0.05 per serving)
Walmart
$ 3.45
Amazon
$ 0.00
iHerb
$ 3.00
Report prices

Analysis

The tablet supplies 50 mg of zinc from a generic amino-acid chelate plus 125 mg of calcium carbonate. Chelation may help absorption, but the missing ligand prevents a precise comparison with fully named bisglycinate or picolinate products.

The zinc amount is excessive for everyday maintenance and dominates the formula. Calcium adds little to the product’s zinc-centered purpose and does not balance the copper concern created by prolonged high intake.

Very low cost and one-tablet use are convenient. Those practical strengths do not outweigh the need for a lower dose and better mineral balance for most users.

Who is it for
  • Adults prescribed a brief period of high-dose zinc
  • Users whose main concern is low cost
  • People able to monitor total zinc and copper intake
Best for
  • Short-term high-dose zinc use
  • A low-cost one-tablet serving
  • Users who do not require a fully named chelate

Pros

  • Uses a chelated zinc source
  • Clearly states the elemental amount
  • Provides a single-tablet serving
  • Offers very low serving cost

Cons

  • Exceeds the usual adult upper intake level
  • Does not name the chelate ligand
  • Contains no copper
  • Calcium adds little to the main purpose

Warnings

  • The 50 mg zinc serving may cause nausea or stomach discomfort.
  • Prolonged daily use can impair copper absorption because no copper is included.
  • Calcium and zinc can reduce absorption of levothyroxine and certain antibiotics; follow medication-specific spacing instructions.

Nutrient quality

54 Moderate impact

The generic zinc amino acid chelate may absorb well, but its ligand is not identified. Low cost is appealing, but excessive zinc and an unspecified chelate limit routine-use quality.

Ingredient transparency

83 Highest impact

The calcium and elemental zinc amounts are stated clearly. No proprietary blend hides the listed active doses.

Customer satisfaction

72 High impact

The supplied average is strong, with very large response volume. Complaint patterns and purpose-related experiences are not supplied.

Value for money

82 Highest impact

The asking price is only partly justified by the disclosed formula. Each serving offers very good practical value for its useful active dose.

Report analysis

Goals

Immunity
Immunity
Impact
High effect
A Goal FitD+ Strength of SupportD CoverageB- Formula Quality
Zinc · 50 mg

Zinc is central to immune-cell development and communication, and the amino acid chelate may support absorption. The stated amount exceeds the usual adult upper intake level and is not well suited to routine unsupervised use.

The single immune-mineral strategy offers depth but no vitamin D, vitamin C, selenium, or barrier support. Daily high-dose zinc may cause nausea and impair copper status over time because no copper is included.

Study evidence
Zinc Supportive 73 studies
Testosterone Support
Testosterone Support
Impact
High effect
B+ Goal FitD+ Strength of SupportD- CoverageA- Formula Quality
Zinc · 50 mg

Chelated zinc can support testosterone synthesis when zinc status is low. The amount exceeds the usual daily upper limit and is not suited to unsupervised long-term use.

The amino-acid chelate is preferable to zinc oxide but is not identified as a specific premium chelate. Prolonged use may cause nausea and copper depletion because no copper is included.

Study evidence
Zinc Disputed 7 studies
General Health
General Health
Impact
Moderate effect
A- Goal FitD- Strength of SupportF CoverageB- Formula Quality
Zinc · 50 mg

Zinc is a foundational mineral with clear roles in immune readiness, antioxidant defenses, and normal enzyme function. The amino acid chelate is identified and may offer reasonable absorption.

The zinc amount exceeds the usual adult upper intake level and is not well suited to unsupervised long-term daily use. Prolonged intake at this amount can cause stomach upset and contribute to copper depletion because the formula contains no copper.

Study evidence
Zinc Supportive 60 studies
Vision Support
Vision Support
Impact
Moderate effect
B+ Goal FitD Strength of SupportD- CoverageC Formula Quality
Zinc · 50 mg

Zinc is directly relevant to retinal function and appears in established vision nutrient combinations. The chelated form is useful, but the unusually high amount is not paired with copper.

A zinc-only formula does not provide macular carotenoids, antioxidant vitamins, or retinal omega-3 fats. Daily use at this amount exceeds the usual adult upper limit and may cause nausea or gradually impair copper status.

Study evidence
Zinc Supportive 39 studies
Hair Health
Hair Health
Impact
Moderate effect
B Goal FitD+ Strength of SupportF CoverageC Formula Quality
Zinc · 50 mg

Zinc directly supports follicle cell division and may reduce deficiency-related shedding. The amino acid chelate is clearly named, but the specific chelating ligand is not disclosed.

The 50 mg serving exceeds the usual daily upper limit and is poorly suited to unsupervised long-term use. It also contains no copper, so prolonged use may cause copper depletion as well as nausea or stomach irritation.

Study evidence
Zinc Supportive 22 studies
Skin Health
Skin Health
Impact
Moderate effect
B Goal FitD- Strength of SupportF CoverageC+ Formula Quality
Zinc · 50 mg

Zinc supports skin repair, antioxidant enzymes, and normal cell turnover. The 50 mg amount exceeds the usual daily upper limit and is unsuitable for routine long-term skin support.

The chelated source is disclosed but lacks a named ligand or branded quality standard. Prolonged daily use can cause nausea and copper depletion because no copper is included.

Study evidence
Zinc Supportive 66 studies

Ingredients

IngredientAmount per serving
Calcium (Calcium Carbonate)
 125 mg
Zinc (Zinc Amino Acid Chelate)
 50 mg
Gluten Free Adults 18–50
Report overview
Zinc (Zinc Amino Acid Chelate) · 50 mg OverallScore59
D- Active Ingredient Quality & BioavailabilityD+ Dose, Safety & Label TransparencyA+ Value

The 50 mg zinc serving exceeds the usual upper limit and is better suited to limited or supervised use. A generic zinc amino acid chelate limits absorption quality compared with premium chelates or organic salts. The lack of copper at this high dose raises a practical risk of copper depletion and stomach upset with prolonged daily use.

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 aggressive 50 mg zinc amount. 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 aggressive 50 mg zinc amount. 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 aggressive 50 mg zinc amount. 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 aggressive 50 mg zinc amount. 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 aggressive 50 mg zinc amount. 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 recurring cost remains among the lowest in the provided options, while 30 mg zinc bisglycinate provides a well-absorbed chelate with a simpler profile than the original's aggressive 50 mg zinc amount. 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 aggressive 50 mg zinc amount. 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 aggressive 50 mg zinc amount. 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 aggressive 50 mg zinc amount. 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
  26. Antioxidant vitamin and mineral supplements for age-related macular degeneration.
    Evans JR · The Cochrane database of systematic reviews · 2002
    Systematic review170 participants7 studies pooledVision Support forZinc
  27. 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 pooledVision Support forZinc
  28. Oral zinc in macular degeneration.
    Newsome DA; Swartz M; Leone NC; Elston RC; Miller E · Archives of ophthalmology (Chicago, Ill. : 1960) · 1988
    Randomized trial151 participantsVision Support forZinc
  29. 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 participantsVision Support forZinc
  30. 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 participantsVision Support forZinc