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Kẽm cho Telogen Effluvium

F Hiệu quả Nghiên cứu cho thấy điều này khó có khả năng hiệu quả cho mục đích sử dụng này.

Dựa trên 29 nghiên cứu (3 RCTs) với 30,246 người tham gia. Kết quả nghiên cứu không đồng nhất.

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Kết luận

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 so với: Placebo Hiệu quả: 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 so với: Placebo Hiệu quả: 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 so với: Placebo Hiệu quả: None None
Case-Control Study n=100
Role of zinc in chronic telogen effluvium in serum and hair of patients with alopecia.
Dose: None so với: Placebo Hiệu quả: None 0.05
case-control study n=180
A comprehensive investigation of biochemical status in patients with telogen effluvium: Analysis of Hb, ferritin, …
Dose: not applicable so với: Placebo Hiệu quả: None None

Key Statistics

32

Nghiên cứu

30246

Người tham gia

Mixed

F

Xếp hạng

Referenced Papers

Healthcare (Basel, Switzerland) 2025
Cureus 2024 1 trích dẫn
Journal of drugs … 2021 3 trích dẫn
International journal of … 2016 28 trích dẫn
Acta dermatovenerologica Croatica … 2016 6 trích dẫn
Annals of dermatology 2013 114 trích dẫn
Dermatologic therapy 2012 31 trích dẫn
American journal of … 2005 140 trích dẫn

Dosage & Usage

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

Liều lượng thường dùng

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

Giới hạn trên: 40 mg/day

Liều lượng đã nghiên cứu

Liều lượng Thời gian Hiệu quả 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

Thời điểm dùng tốt nhất: With meals to minimize stomach upset; separate from iron and calcium by 2 hours

Safety & Side Effects

Tác dụng phụ đã được báo cáo

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

Tương tác đã biết

  • 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)

Mức hấp thụ tối đa cho phép: 40 mg/day

Luôn tham khảo ý kiến bác sĩ trước khi bắt đầu sử dụng bất kỳ thực phẩm bổ sung nào.Luôn tham khảo ý kiến chuyên gia y tế trước khi sử dụng bất kỳ thực phẩm chức năng nào.

Frequently Asked Questions

Does Kẽm help with Telogen Effluvium?
Based on 32 studies with 30,246 participants, there is insufficient evidence at this time that Kẽm may support Telogen Effluvium management. Our evidence grade is F (Evidence Against).
How much Kẽm 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 Kẽm?
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 Kẽm 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.

References

  1. [1] Eva María Arias et al.. Int J Trichology. 2025. Effect of a Hydrolyzed Collagen, Vitamin, and Zinc Containing Nutritional Supplement on Telogen Effluvium. doi:10.4103/ijt.ijt_70_24 PubMed
  2. [2] Ori Liran et al.. Healthcare (Basel). 2025. Hair Loss and Zinc Deficiency: A Cross-Sectional Study. doi:10.3390/healthcare13222965 PubMed
  3. [3] Irem Nur Durusu Turkoglu et al.. J Cosmet Dermatol. 2024. A comprehensive investigation of biochemical status in patients with telogen effluvium: Analysis of Hb, ferritin, vitamin B12, vitamin D, thyroid … doi:10.1111/jocd.16512 PubMed
  4. [4] Nermeen Ibrahim Bedair et al.. Arch Dermatol Res. 2024. Post Covid telogen effluvium: the diagnostic value of serum ferritin biomarker and the preventive value of dietary supplements. a case … doi:10.1007/s00403-024-03004-1 PubMed
  5. [5] Shayan Zufishan et al.. J Pak Med Assoc. 2024. Role of zinc in chronic telogen effluvium in serum and hair of patients with alopecia. doi:10.47391/JPMA-DUHS-S10 PubMed
  6. [6] Rhiannon C Miller et al.. Arch Dermatol Res. 2024. Cost-effectiveness analysis of laboratory monitoring in newly diagnosed telogen effluvium patients. doi:10.1007/s00403-024-02948-8 PubMed
  7. [7] Hivi Mahmoud et al.. Cureus. 2024. Zinc Status in Kurdish Adults With Hair Loss. doi:10.7759/cureus.67264 PubMed
  8. [8] Rhiannon C Miller et al.. J Am Acad Dermatol. 2023. "Shedding" low yield testing for telogen effluvium: A cross-sectional study of 16,381 laboratory results from newly diagnosed patients. doi:10.1016/j.jaad.2023.05.045 PubMed
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