OptiZinc

OptiZinc

Source Naturals4.8 (5,903 ratings)
Format:Tablet Quantity: 120 Tablet(s) · 120 servings
Goals
$10.85 $0.09 per serving

About this product

The strongest reason to use the formula is a zinc shortfall affecting normal immune function or tissue maintenance. Zinc may also support hair or normal testosterone when low intake is part of the problem, but extra zinc does not establish added benefit when nutritional needs are met.

The named zinc methionine sulfate form has favorable absorption potential, and the 30 mg amount is clearly stated. Copper is also quantified, making the formula easier to compare than a zinc supplement with no copper information. The low cost is a useful strength for someone who specifically needs zinc.

The copper contribution is small at 0.3 mg relative to the zinc amount. Its presence does not establish that long-term mineral needs are balanced, and the proportions alone do not prove harm. The serving is therefore better matched to an identified nutritional need than chosen for general vision improvement or an automatic hormone boost.

Who is it for
  • Adults with a reason to supplement zinc who want a disclosed source and a quantified copper contribution.
Best for
  • Focused support for low zinc intake and its normal immune and tissue functions.

Pros

  • Zinc methionine sulfate has favorable absorption potential.
  • Both zinc and copper quantities are disclosed.
  • Low cost for the main zinc contribution.

Cons

  • The copper contribution is small relative to the zinc amount.
  • Copper absorption cannot be confidently judged from the available detail.
  • No added hair, testosterone or routine vision benefit is established once zinc intake is adequate.

Warnings

  • The 30 mg zinc serving leaves limited room below the 40 mg adult daily upper limit once food and other supplements are included; review total intake before adding separate zinc.

Product analysis

85 out of 100

OptiZinc provides zinc that may help fill a nutritional gap relevant to normal immunity, skin and hair health. Its zinc form has a favorable absorption profile and offers particularly good value.

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

Nutrient Quality79

The zinc form has a favorable absorption profile. Copper's relative form quality remains uncertain, so the zinc finding should not be extended to both minerals.

Ingredient Transparency100

Both minerals have disclosed amounts and named forms. You can compare their quantities and types without an undisclosed blend obscuring the contents.

Value For Money79

Zinc offers particularly good value at the cost of a serving. Copper's value remains uncertain, so the clearest cost advantage is the main mineral.

Customer Satisfaction92

Customer ratings are very positive across a large body of feedback. They do not establish enhanced immunity or improvements in skin, hair or vision.

Product Focus77

The simple zinc-and-copper formula supports several normal nutrient functions, mainly when intake is low. The range of possible uses does not establish extra benefits for people who already get enough zinc.

Format
Tablet
Container
120 Tablet(s)
Per serving
$0.09
Customer rating
4.8 · 5,903 ratings
Report analysis

Goals

Immunity
Impact
Highest effect
A- Ingredient FitB+ PathwaysA+ EvidenceA+ Formulation Logic
Zinc · 30 mg
Study evidence
Zinc Supportive 73 studies
Everyday Health
Impact
High effect
A Ingredient FitD+ PathwaysB- EvidenceA+ Formulation Logic
Zinc · 30 mg
Study evidence
Zinc Supportive 60 studies
Eye Health
Impact
High effect
B Ingredient FitD PathwaysB+ EvidenceA+ Formulation Logic
Zinc · 30 mgCopper · 300 mcg
Study evidence
Copper Supportive 7 studies
Zinc Supportive 39 studies
Testosterone Support
Impact
High effect
B Ingredient FitF PathwaysA EvidenceA+ Formulation Logic
Zinc · 30 mg
Study evidence
Zinc Disputed 7 studies
Hair Health
Impact
High effect
A Ingredient FitF PathwaysA+ EvidenceA+ Formulation Logic
Zinc · 30 mg
Study evidence
Copper Adverse 4 studies
Zinc Supportive 22 studies
Skin Health
Impact
High effect
A Ingredient FitF PathwaysB+ EvidenceA+ Formulation Logic
Zinc · 30 mgCopper · 300 mcg
Study evidence
Copper Supportive 16 studies
Zinc Supportive 66 studies

Ingredients

IngredientAmount per servingScore
Zinc (Zinc Methionine Sulfate Complex)
30 mg 88
Copper (Copper Sebacic Acid Complex)
300 mcg
Gluten Free Adults 18–50 Dairy Free Vegetarian
Report overview
A+ Active Ingredient Quality & BioavailabilityB- Dose, Safety & Label TransparencyA+ Value
The serving supplies 30 mg of zinc. The cost per serving is low. The zinc comes from zinc methionine sulfate. The serving also contains 0.3 mg of copper.
How this ingredient is rated

Active Ingredient Quality & Bioavailability100

The zinc comes from zinc methionine sulfate.
Zinc Form Bioavailability
The zinc comes from zinc methionine sulfate.

Dose, Safety & Label Transparency70

The serving supplies 30 mg of zinc. The serving also contains 0.3 mg of copper.
Elemental Dose Transparency
The label states 30 mg of zinc per serving.
Zinc Dosage Safety & Effectiveness
The serving supplies 30 mg of zinc.
Zinc-to-Copper Mineral Balance
The serving also contains 0.3 mg of copper.

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. What did we learn in 35 years of research on nutrition and supplements for age-related macular degeneration: a systematic review.
    Pameijer EM; Heus P; Damen JAA; Spijker R; Hooft L; Ringens PJ; Imhof SM; van Leeuwen R · Acta ophthalmologica · 2023
    Systematic review27 studies pooledEye Health forCopper
  7. Dietary Nutrient Intake and Progression to Late Age-Related Macular Degeneration in the Age-Related Eye Disease Studies 1 and 2.
    Agrón E; Mares J; Clemons TE; Swaroop A; Chew EY; Keenan TDL; AREDS and AREDS2 Research Groups · Ophthalmology · 2021
    Cohort study8,242 participantsEye Health forCopper
  8. Association between late age-related macular degeneration and dietary intake of copper, iron, zinc and selenium: a 2005-2008 NHANES cross-sectional observational study.
    Lu Y; Li C; Liu Y; Wu T; Lu P · BMC ophthalmology · 2025
    Observational study4,996 participantsEye Health forCopper
  9. Associations between dietary nutrient intake and the risk of multiple age-related ocular diseases: evidence from longitudinal analysis.
    Yang Y; Zou H · The journal of nutrition, health & aging · 2026
    Cohort study103,192 participantsEye Health forCopper
  10. Dietary habits and dietary nutrient intake in patients with age-related macular degeneration: A case-control study.
    Šalková Kráľová J; Kolář P; Kapounová Z; Veselý P; Derflerová Brázdová Z · Central European journal of public health · 2023
    Case-control study151 participantsEye Health forCopper
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. Menkes disease and response to copper histidine: An Indian case series.
    Yoganathan S; Sudhakar SV; Arunachal G; Thomas M; Subramanian A; George R; Danda S · Annals of Indian Academy of Neurology · 2022
    Case series4 participantsHair Health forCopper
  17. Trace element levels in alopecia areata.
    Bhat YJ; Manzoor S; Khan AR; Qayoom S · Indian journal of dermatology, venereology and leprology · 2009
    Case-control study100 participantsHair Health forCopper
  18. UV damage to hair and the effect of antioxidants and metal chelators.
    Millington KR; Marsh JM · International journal of cosmetic science · 2021
    In vitro / ex vivo studyHair Health forCopper
  19. Preserving fibre health: reducing oxidative stress throughout the life of the hair fibre.
    Marsh JM; Davis MG; Lucas RL; Reilman R; Styczynski PB; Li C; Mamak M; McComb DW; Williams RE; Godfrey S; Navqi KR; Chechik V · International journal of cosmetic science · 2016
    In vitro / ex vivo studyHair Health forCopper
  20. 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