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HairCited

Zinco para Telogen Effluvium

F

Baseado em 29 estudos (3 RCTs) com 30,246 participantes no total. Os resultados são variados entre os estudos.

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F

Conclusão

Moderate evidence suggests that zinc deficiency may contribute to telogen effluvium, and supplementation may help if levels are low — but routine zinc supplementation for hair shedding is not clearly supported.

  • Lower zinc levels are frequently found in telogen effluvium patients
  • Some RCTs show benefits from zinc-containing supplement combinations
  • Difficult to isolate zinc's specific effect from multi-ingredient formulas
  • Testing zinc levels and supplementing only if deficient is a reasonable approach

Key Study Findings

Prospective Open-Label Interventional Study n=343 4 weeks Open-label
Effect of a Hydrolyzed Collagen, Vitamin, and Zinc Containing Nutritional Supplement on Telogen Effluvium.
Dose: Pilopeptan Intensive (hydrolyzed collagen, Group B vitamins, zinc); daily for 1 month vs: Placebo Efeito: Significant improvements in all hair parameters at T1 and T2 (P < 0.001) p<0.001
Retrospective Cross-Sectional Study n=23975
Hair Loss and Zinc Deficiency: A Cross-Sectional Study.
Dose: None vs: Placebo Efeito: Median zinc 96 µg/dL (hair loss) vs 99 µg/dL (control); statistically significant but clinically min p<0.001
cross-sectional study
Zinc Status in Kurdish Adults With Hair Loss.
Dose: None vs: Placebo Efeito: None None
Case-Control Study n=100
Role of zinc in chronic telogen effluvium in serum and hair of patients with alopecia.
Dose: None vs: Placebo Efeito: None 0.05

Key Statistics

32

Estudos

30246

Participantes

Mixed

F

Nota

Referenced Papers

Healthcare (Basel, Switzerland) 2025
Journal of drugs … 2021 3 citações
International journal of … 2016 28 citações
Acta dermatovenerologica Croatica … 2016 6 citações
Annals of dermatology 2013 114 citações
Dermatologic therapy 2012 31 citações
American journal of … 2005 140 citações

Dosage & Usage

mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units

Dosagens Comumente Utilizadas

general:
8-11 mg/day
hairloss:
15-30 mg/day

Limite superior: 40 mg/day

Dosagens Estudadas em Pesquisas

Dosagem Duração Efeito N
Pilopeptan Intensive (hydrolyzed collagen, Group B vitamins, zinc); daily for 1 month 4 weeks Positive 343
None -- Neutral 23975
None -- Neutral --
None -- Negative 100
not applicable -- Mixed 180
None -- Mixed 100
None -- Mixed --
4 tablets daily (arginine, l-cystine, zinc, vitamin B6) 12 weeks Positive 20

Melhor horário: With meals to minimize stomach upset; separate from iron and calcium by 2 hours

Safety & Side Effects

Efeitos Colaterais Relatados

  • Nausea and vomiting (especially on an empty stomach)
  • Metallic taste in the mouth
  • Copper depletion with chronic high-dose use
  • Headache and diarrhea

Interações Conhecidas

  • Copper supplements (zinc inhibits copper absorption at doses >40 mg/day)
  • Tetracycline and quinolone antibiotics (mutual absorption reduction)
  • Penicillamine (zinc reduces absorption of this rheumatoid arthritis drug)

Ingestão máxima tolerável: 40 mg/day

Consulte sempre o seu profissional de saúde antes de iniciar qualquer suplemento.Sempre consulte seu profissional de saúde antes de iniciar qualquer suplemento.

Frequently Asked Questions

Does Zinco help with Telogen Effluvium?
Based on 32 studies with 30,246 participants, there is insufficient evidence at this time that Zinco may support Telogen Effluvium management. Our evidence grade is F (Evidence Against).
How much Zinco should I take for Telogen Effluvium?
Studies have used various dosages. A commonly studied range is 8-11 mg/day. Always consult your healthcare provider before starting any supplement regimen.
Are there side effects of Zinco?
Reported side effects may include Nausea and vomiting (especially on an empty stomach), Metallic taste in the mouth, Copper depletion with chronic high-dose use, Headache and diarrhea. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
How strong is the evidence for Zinco and Telogen Effluvium?
We rate the evidence as Grade F (Evidence Against). This rating is based on 32 peer-reviewed studies with 30,246 total participants. The overall direction of effect is mixed.

Related Evidence

Aviso Legal da FDA: Estas declarações não foram avaliadas pela Food and Drug Administration. Os produtos e informações neste site não se destinam a diagnosticar, tratar, curar ou prevenir qualquer doença. As notas de evidência apresentadas são baseadas em nossa análise de pesquisas revisadas por pares publicadas e não constituem aconselhamento médico. Sempre consulte seu profissional de saúde antes de iniciar qualquer regime de suplementação.