Zinc 50 mg

Zinc 50 mg

NOW4.7 (94,059 ratings)
Format:Tablet Quantity: 100 Tablet(s) · 100 servings
Goals

About this product

A low serving cost is useful, but the 50 mg zinc amount is the main limitation for routine use. Zinc supports normal immune function and skin repair when intake is low, yet this serving exceeds the supplied adult daily upper limit of 40 mg. The larger amount does not establish extra benefit once nutritional needs are met.

The zinc quantity is clearly stated, while its form is not consistently documented in the product details. That limits confidence when comparing absorption with options whose forms are clearly identified. No copper amount is available to clarify mineral balance.

The most relevant fit is a specific need for a higher zinc amount that has been reviewed with a health professional. Routine hair growth, higher testosterone and improved everyday vision are not established in adequately nourished adults. The tablet also does not reproduce the local delivery or repeated dosing of a zinc lozenge.

Who is it for
  • Adults with a specific, professionally reviewed need for a higher zinc amount
Best for
  • Supplying a clearly disclosed zinc amount when that amount is specifically needed

Pros

  • The zinc amount is clearly disclosed
  • Very low serving cost
  • A single nutrient allows targeted supplementation

Cons

  • The serving is too high to assume routine maintenance suitability
  • The zinc form is inconsistently documented
  • Higher intake does not establish added hair, hormone or vision benefit
  • Tablet delivery does not match zinc-lozenge use

Warnings

  • The 50 mg zinc serving exceeds the supplied adult daily upper limit of 40 mg; review the need and duration before regular use.
  • High zinc with no disclosed copper amount raises concern for copper depletion, particularly with continued use or additional zinc supplements.

Product analysis

64 out of 100

Zinc 50 mg supplies zinc for normal immune function, with the clearest benefit when intake is low.

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

Nutrient Quality20

The zinc form is unspecified, leaving its quality and absorption difficult to judge. The amount alone does not resolve that source uncertainty.

Ingredient Transparency63

The zinc amount is disclosed, helping you compare servings. Its form is unspecified, so the source details remain incomplete.

Value For Money100

The low serving cost is favorable for a zinc supplement. That price advantage does not establish that the large amount suits everyday nutritional needs.

Customer Satisfaction92

Customer feedback is very favorable across a very large number of ratings. Those ratings describe satisfaction without establishing benefits or safety for an individual buyer.

Product Focus80

Zinc mainly helps when low intake affects normal immune function, hair or hormone-related needs. The high amount without copper raises a concern about copper deficiency, so more zinc does not mean more benefit.

Format
Tablet
Container
100 Tablet(s)
Per serving
$0.03
Customer rating
4.7 · 94,059 ratings
Report analysis

Goals

Everyday Health
Impact
High effect
A Ingredient FitD+ PathwaysB- EvidenceA Formulation Logic
Zinc · 50 mg
Study evidence
Zinc Supportive 60 studies
Immunity
Impact
Highest effect
A Ingredient FitB+ PathwaysA+ EvidenceA Formulation Logic
Zinc · 50 mg
Study evidence
Zinc Supportive 73 studies
Hair Health
Impact
High effect
A Ingredient FitF PathwaysA+ EvidenceA+ Formulation Logic
Zinc · 50 mg
Study evidence
Zinc Supportive 22 studies
Testosterone Support
Impact
High effect
A Ingredient FitF PathwaysA EvidenceA Formulation Logic
Zinc · 50 mg
Study evidence
Zinc Disputed 7 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 (from 405 mg Zinc Gluconate)
50 mg 74
Gluten Free Adults 18–50 Vegan Kosher Dairy Free Women Vegetarian
Report overview
B+ Active Ingredient Quality & BioavailabilityD+ Dose, Safety & Label TransparencyA+ Value
The serving provides 50 mg zinc at a low cost per serving. That amount exceeds the adult upper intake level for long-term daily use. It uses zinc gluconate. The copper amount is unknown.
How this ingredient is rated

Active Ingredient Quality & Bioavailability80

It uses zinc gluconate.
Zinc Form Bioavailability
The zinc comes from zinc gluconate.

Dose, Safety & Label Transparency54

The zinc amount is clearly stated. It exceeds the adult upper intake level for long-term daily use. The copper amount is unknown, so the zinc-to-copper balance is unclear.
Elemental Dose Transparency
The label states both the elemental zinc and source compound amounts.
Zinc Dosage Safety & Effectiveness
50 mg exceeds 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.

Value100

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