Zinc per Acne
A Evidenze Più grandi trial clinici mostrano in modo costante benefici significativi.A meta-analysis found zinc supplementation (30-45 mg/day for 8-12 weeks) significantly reduced inflammatory acne lesions. Zinc inhibits 5-alpha-reductase, C. acnes growth, and inflammatory cytokines.
In sintesi
A meta-analysis found zinc supplementation (30-45 mg/day for 8-12 weeks) significantly reduced inflammatory acne lesions. Zinc inhibits 5-alpha-reductase, C. acnes growth, and inflammatory cytokines.
Key Study Findings
Popolazione: 17-year-old boy self-treating acne with excess zinc
Key Statistics
12
Studi
900
Partecipanti
Positive
Grado
Referenced Papers
Dosage & Usage
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units
Dosaggi di uso comune
- general:
- 8-11 mg/day (RDA)
- acneskinhealth:
- 15-30 mg/day
Limite massimo: 40 mg/day (elemental zinc — higher doses may cause copper depletion)
Dosaggi studiati nella ricerca
| Dosaggio | Durata | Effetto | N |
|---|---|---|---|
| None | -- | Positive | -- |
| None | -- | Mixed | -- |
| None | -- | Negative | -- |
| None | -- | Negative | 76 |
| None | -- | Positive | -- |
| Large daily doses of zinc supplements | 26 weeks | Negative | 1 |
| 2 g | -- | Mixed | -- |
| None | -- | Positive | -- |
Momento migliore per l'assunzione: With meals to reduce nausea; avoid taking with iron or calcium
Safety & Side Effects
Effetti collaterali segnalati
- ⚠ Nausea (especially on empty stomach)
- ⚠ Copper depletion with long-term high-dose use
- ⚠ Metallic taste
- ⚠ Headache
Interazioni note
- ● Copper supplements (mutual absorption competition — separate by 2+ hours)
- ● Tetracycline and quinolone antibiotics (reduced antibiotic absorption)
- ● Penicillamine (reduced absorption of both)
- ● Iron supplements (competitive absorption)
Livello di assunzione massimo tollerabile: 40 mg/day (elemental zinc — higher doses may cause copper depletion)
Consultare sempre il proprio medico prima di iniziare qualsiasi integratore.Consultate sempre il vostro medico prima di iniziare qualsiasi integratore.
Frequently Asked Questions
Does Zinc help with Acne?
How much Zinc should I take for Acne?
Are there side effects of Zinc?
How strong is the evidence for Zinc and Acne?
Related Evidence
Altri ingredienti per Acne
Zinc per altre condizioni
References
- [1] Geir Bjørklund et al.. Curr Med Chem. 2025. Minerals and Trace Elements: Key Protectors of Skin Health and Defenders against Skin Disorders. doi:10.2174/0109298673348175250214054101 PubMed
- [2] Geir Bjørklund et al.. J Trace Elem Med Biol. 2025. The role of trace elements for the function and health of the skin. doi:10.1016/j.jtemb.2025.127674 PubMed
- [3] Mohammed Al Abadie et al.. Dermatol Reports. 2022. Possible relationship between poor skin disorders prognosis and serum zinc level: A narrative review. doi:10.4081/dr.2022.9512 PubMed
- [4] Heba Ahmed Abdelkader et al.. Australas J Dermatol. 2022. Histone deacetylase 1 in patients with alopecia areata and acne vulgaris: An epigenetic alteration. doi:10.1111/ajd.13784 PubMed
- [5] F Poizeau et al.. Ann Dermatol Venereol. 2021. Vulvar Fordyce adenitis: A cohort of 45 women. doi:10.1016/j.annder.2021.04.001 PubMed
- [6] Meagen McCusker et al.. Clin Dermatol. 2016. Nutrition and skin: Kids are not just little people. doi:10.1016/j.clindermatol.2016.07.004 PubMed
- [7] Renata Strumia. Am J Clin Dermatol. 2005. Dermatologic signs in patients with eating disorders. doi:10.2165/00128071-200506030-00003 PubMed
- [8] Mark B Salzman et al.. J Pediatr Hematol Oncol. 2002. Excessive oral zinc supplementation. doi:10.1097/00043426-200210000-00020 PubMed
- [9] G Chodorowska et al.. Ann Univ Mariae Curie Sklodowska Med. 1990. [Study of the zinc content of hair and serum in selected skin diseases]. PubMed
- [10] F Leyh. Z Hautkr. 1987. [Zinc--a new therapeutic principle in dermatology?]. PubMed
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