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Zinc Dosage Guide

Evidence:Strong
·

This content is for informational purposes only and does not constitute medical advice. Statements about dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease. Individual results may vary — consult your healthcare provider before starting any supplement. Full disclaimer

General Dosage

30-50 mg elemental zinc daily

Maximum dose: 40 mg/day (NIH Upper Tolerable Intake Level for adults); higher doses used short-term under medical supervision

Dosage Recommendations

General recommendation: 30-50 mg elemental zinc daily

Timing: Take with food to reduce nausea; avoid taking with high-fiber meals or calcium supplements • Take with food for best absorption.

Dosage by Condition

Inflammatory acne
30-45 mg elemental zinc daily for 12 weeksStrong
Wound healing
40-50 mg daily during healing periodStrong
General skin health
15-30 mg dailyModerate
Zinc deficiency correction
50 mg daily for 2-3 monthsStrong

Upper limit: 40 mg/day (NIH Upper Tolerable Intake Level for adults); higher doses used short-term under medical supervision

Timing & Absorption

Take with food to reduce nausea; avoid taking with high-fiber meals or calcium supplements

Best taken with food for optimal absorption.

References

  1. ReviewGupta M, Mahajan VK, Mehta KS, Chauhan PS. (2014). Zinc therapy in dermatology: a review. Dermatology Research and Practice. DOI PubMed
  2. Zhou H, Zhang Y, Tian T, Wang B, et al. (2025). Meta-analysis of the Relationship Between Zinc and Copper in Patients with Osteoarthritis.. Biological trace element research. DOI PubMed
  3. Meta-analysisHsu TJ, Hsieh RH, Huang CH, Chen CS, et al. (2024). Efficacy of Zinc Supplementation in the Management of Primary Dysmenorrhea: A Systematic Review and Meta-Analysis.. Nutrients. DOI PubMed
  4. Meta-analysisAli AA, Naqvi SK, Hasnain Z, Zubairi MBA, et al. (2024). Zinc supplementation for acute and persistent watery diarrhoea in children: A systematic review and meta-analysis.. Journal of global health. DOI PubMed
  5. Tabatabaeizadeh SA (2022). Zinc supplementation and COVID-19 mortality: a meta-analysis.. European journal of medical research. DOI PubMed
  6. Meta-analysisZupo R, Sila A, Castellana F, Bringiotti R, et al. (2022). Prevalence of Zinc Deficiency in Inflammatory Bowel Disease: A Systematic Review and Meta-Analysis.. Nutrients. DOI PubMed
  7. Banik S, Ghosh A (2022). Zinc status and coronary artery disease: A systematic review and meta-analysis.. Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS). DOI PubMed
Show 1 more reference
  1. ReviewLansdown ABG, Mirastschijski U, Stubbs N, et al. (2007). Zinc in wound healing: theoretical, experimental, and clinical aspects. Wound Repair and Regeneration. DOI PubMed