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维生素证据薄弱

Biotin

别名: vitamin B7, vitamin H

Biotin is a B vitamin involved in fat, carbohydrate and protein metabolism and in maintaining healthy hair and skin. True deficiency is rare, and in people without it a supplement does not visibly improve hair or nails.

用途

  • Maintenance of normal hair and skin – strong evidence for the basic role (EFSA)
  • Better hair and nails with proven deficiency – moderate evidence
  • Hair growth and stronger nails without deficiency – weak evidence

剂型及区别

D-biotin

standard form, in doses from 50 µg to several mg

biotin with selenium and zinc

common hair combination; add up doses with other supplements

何时服用

With food, any time of day.

适合搭配

Zinc, selenium, enough protein.

不宜同服 / 需错开

Do not combine several high-dose biotin products.

注意事项

High-dose biotin can distort laboratory tests (e.g. thyroid hormones, troponin). Before a blood test tell your doctor you take biotin and pause it for a few days as advised. In pregnancy and if you take medicines, consult your doctor.

安全性

EFSA has not set an upper limit; do not exceed the label dose.

实用建议

With hair loss, first have ferritin, thyroid and vitamin D checked – they are more common causes than biotin.

含 Biotin 的产品 6

Biotin + selenium + zinc+ selenium + zinc头发与指甲皮肤精力
Biotin 10 mgD-biotin · 10 mg / 粒头发与指甲皮肤精力
Biotin 1000 µg1 000 µg / 份头发与指甲皮肤精力
Biotin 2500 µgD-biotin · 2 500 µg / 粒头发与指甲皮肤精力
Biotin D-biotin 300 µgD-biotin · 300 µg / 粒头发与指甲皮肤精力
Biotin 5000 µgD-biotin · 5 000 µg / 粒头发与指甲皮肤精力
如何理解证据评级
证据充分证据中等证据薄弱无证据

充分 = 多项高质量人体研究或官方推荐;中等 = 有前景但研究规模较小;薄弱 = 研究少或结果不一;无证据 = 说法未被证实。

搭配检查

选择您服用的补充剂及药物(如有),我们会显示哪些相互干扰、哪些需要错开时间、需要注意什么。

检查 Biotin 与其他的搭配

您真正需要哪些补充剂?

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重要提示

以上信息仅供科普,不能替代医生或药师建议,我们不提供药物剂量。补充剂不能替代均衡饮食;孕期、哺乳期、患病或服药者请先咨询医生。