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Zinc 50 mg

Spring Valley
4.7
★ ★ ★ ★ ★
(4868 ratings)
Zinc 50 mg
Product Image
Score71

The zinc source is undisclosed and the amount is too high for routine use. Low cost is the main advantage.

How scoring works
Quantity:200 Tablet(s) • (200 servings)
Goals:

Score 71

The zinc source is undisclosed and the amount is too high for routine use. Low cost is the main advantage.

How scoring works
$3.74($0.01 per serving)
Walmart
$ 3.74
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Analysis

The tablet provides 50 mg of elemental zinc but does not identify the source compound. Missing form information prevents a useful assessment of absorption and stomach tolerance.

Zinc remains relevant to immune function, tissue repair, and normal enzyme activity. The formula provides only that one pathway and offers no balancing copper.

The serving exceeds the usual adult upper intake level, which raises the chance of nausea and mineral imbalance. Very low serving cost is appealing, but it does not resolve the dose and disclosure problems.

Who is it for
  • Adults given a short-term high-dose zinc plan
  • Budget-focused buyers who can verify the zinc source separately
Best for
  • Limited use under specific professional direction
  • Situations where price matters more than form quality

Pros

  • States the elemental zinc amount
  • Simple one-mineral tablet
  • Very favorable serving value

Cons

  • Does not identify the zinc compound
  • Amount exceeds the adult upper intake level
  • No copper is included
  • Tablet offers no special delivery advantage

Warnings

  • 50 mg exceeds the usual adult upper intake level and is not suited to routine unsupervised use.
  • Repeated use at 50 mg can cause nausea, especially on an empty stomach.
  • Long-term high zinc intake without copper can reduce copper status and affect blood or nerve health.
  • Zinc can reduce absorption of tetracycline or quinolone antibiotics, so dose spacing should follow the medicine instructions.

Nutrient quality

65 Moderate impact

The zinc compound is not disclosed, so absorption and tolerance cannot be judged. The amount exceeds the adult upper intake level and is too aggressive for routine long-term use.

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Ingredient transparency

66 High impact

The elemental amount is shown, but the active zinc compound is missing. Directions and inactive ingredients are not supplied, limiting full label transparency.

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Customer satisfaction

72 High impact

The supplied aggregate rating indicates strong customer satisfaction. Specific comments are unavailable, so complaint patterns and intended-use fit cannot be verified.

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Value for money

87 Highest impact

The serving cost is exceptionally low, but poor form disclosure and aggressive dosing reduce quality value. Price alone does not make it a strong routine option.

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Report analysis

Goals

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

Zinc directly supports immune-cell development and communication. The 50 mg amount is substantial but reaches the adult upper intake level.

The zinc compound is not disclosed and no copper is included, creating absorption uncertainty and a long-term mineral-balance concern. The product is better suited to limited or supervised use than routine daily immune maintenance.

Study evidence
Zinc Supportive 73 studies
Testosterone Support
Testosterone Support
Impact
Moderate effect
B- Goal FitF Strength of SupportF CoverageA+ Formula Quality
Zinc · 50 mg

Zinc is a foundational hormonal nutrient and may support testosterone when zinc status is low. The 50 mg amount exceeds the adult daily upper intake level and is poorly suited to unsupervised long-term use.

The zinc compound is not disclosed, preventing assessment of absorption or stomach tolerance. Prolonged high-dose use without copper may cause nausea and impair copper status.

Study evidence
Zinc Disputed 7 studies
General Health
General Health
Impact
Moderate effect
A- Goal FitF Strength of SupportD- CoverageC+ Formula Quality
Zinc · 50 mg

Zinc is a well-established foundational mineral for immune function, enzyme activity, and tissue maintenance. The label states a high amount but does not identify the zinc form, leaving absorption quality uncertain.

A daily 50 mg serving exceeds the adult upper intake level and may impair copper status with prolonged use. The streamlined tablet is therefore better suited to short, directed use than routine general-health coverage.

Study evidence
Zinc Supportive 60 studies
Hair Health
Hair Health
Impact
Moderate effect
C+ Goal FitD- Strength of SupportD- CoverageA Formula Quality
Zinc · 50 mg

Zinc supports normal follicle function and may help shedding when deficiency is present. The standalone 50 mg amount is excessive for routine long-term hair support and lacks balancing copper.

People with adequate zinc are unlikely to see a dependable hair benefit from taking more. This amount exceeds the usual adult daily upper limit and may cause nausea or gradually induce copper deficiency.

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

Zinc supports normal skin repair, cell turnover, and antioxidant enzymes, especially when intake is inadequate. The 50 mg amount is excessive for routine daily skin support and does not provide broader collagen, hydration, or antioxidant coverage.

The zinc compound is not identified, so absorption and stomach tolerance cannot be judged. Daily use above the adult upper intake level can cause nausea and, over time, copper deficiency because no copper is included.

Study evidence
Zinc Supportive 66 studies

Ingredients

IngredientAmount per serving
Zinc
50 mg
Gluten Free Adults 18–50 Dairy Free Sugar Free
Report overview
Zinc · 50 mg OverallScore46
F Active Ingredient Quality & BioavailabilityD+ Dose, Safety & Label TransparencyA+ Value

The label provides a high zinc dose but does not disclose the zinc compound, leaving absorption and tolerance uncertain. The dose reaches the adult upper limit and no copper is included, which raises a practical concern for prolonged daily use. Very low serving cost is the main advantage.

View ingredientView products
Loading alternative details
96 Performance

Zinc Picolinate 25 mg

Thompson
A practical, well-absorbed zinc amount is safer for routine use than the original high-dose formula. Picolinate is a well-absorbed zinc form, and the amount is meaningful without crossing the usual adult upper limit. The simple formula and very low serving cost make it a practical zinc supplement.
95 Performance

Zinc Picolinate 22 mg

Solgar
A practical, well-absorbed zinc amount is safer for routine use than the original high-dose formula. Picolinate offers strong absorption potential at a useful maintenance amount. The focused formula and very low serving cost make it a practical choice without an obvious dosing excess.
94 Performance

Zinc Picolinate

NutriCology
A practical, well-absorbed zinc amount is safer for routine use than the original high-dose formula. Picolinate provides a well-absorbed form at a strong maintenance amount in a simple capsule. Zinc picolinate is a well-regarded form with favorable absorption.
76 Budget

Zinc Gluconate 30 mg

Swanson
This candidate does not cost less per serving than the original, but it is among the closest low-cost choices in the supplied pool. Gluconate provides reasonable absorption at a substantial zinc amount. The simple tablet is exceptionally economical, though sustained daily use without copper may impair mineral balance.
77 Budget

Zinc 30 mg

Nature Made
This candidate does not cost less per serving than the original, but it is among the closest low-cost choices in the supplied pool. Zinc gluconate provides a meaningful amount in a focused, very inexpensive tablet. It is suitable for targeted use, although prolonged daily intake at this level without copper may gradually disturb copper balance.
80 Budget

Zinc Chelate 30 mg

Nature's Way
This candidate does not cost less per serving than the original, but it is among the closest low-cost choices in the supplied pool. Zinc bisglycinate provides a well-absorbed form at a robust daily amount. The focused capsule is clearly labeled and very inexpensive, but no copper is included.
96 Value

Zinc Picolinate 22 mg

Swanson
A safer amount, strong form quality, and economical use provide better long-term value than the original high-dose formula. Picolinate provides a well-absorbed form at a practical maintenance amount. Zinc picolinate is a well-regarded form with favorable absorption.
96 Value

Zinc Picolinate 25 mg

Kirkman
A safer amount, strong form quality, and economical use provide better long-term value than the original high-dose formula. Zinc picolinate provides a highly absorbable form at a substantial but not excessive amount. Small calcium and phosphorus additions do little to strengthen the zinc formula, while inactive ingredients are not shown.
96 Value

Zinc Picolinate 25 mg

Country Life
A safer amount, strong form quality, and economical use provide better long-term value than the original high-dose formula. Picolinate offers strong absorption at a useful amount below the adult upper limit. The small calcium addition contributes little, and the serving cost is higher than many basic zinc products.
Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. 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
  2. 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
  3. Intestinal and systemic immune responses to an oral cholera toxoid B subunit whole-cell vaccine administered during zinc supplementation.
    Karlsen TH; Sommerfelt H; Klomstad S; Andersen PK; Strand TA; Ulvik RJ; Ahrén C; Grewal HM · Infection and immunity · 2003
    Randomized trial30 participantsImmunity forZinc
  4. Short-term therapeutic role of zinc in children < 5 years of age hospitalised for severe acute lower respiratory tract infection.
    Das RR; Singh M; Shafiq N · Paediatric respiratory reviews · 2012
    Meta-analysis1,066 participants7 studies pooledImmunity forZinc
  5. Zinc for infection prevention in children with sickle cell anemia: a randomized double-blind placebo-controlled trial.
    Namazzi R; Opoka R; Conroy AL; Datta D; Tagoola A; Bond C; Goings MJ; Ryu MS; Cusick SE; Krebs NF; Jang JH; Tu W; Ware RE; John CC · Blood advances · 2023
    Randomized trial252 participantsImmunity forZinc
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  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. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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
  25. 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
  26. 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
  27. Clinical, endocrinological and biochemical effects of zinc deficiency.
    Prasad AS · Clinics in endocrinology and metabolism · 1986
    Narrative reviewTestosterone Support forZinc
  28. Clinical, endocrinologic, and biochemical effects of zinc deficiency.
    Prasad AS · Special topics in endocrinology and metabolism · 1986
    Narrative reviewTestosterone Support forZinc