🧪 證據引擎判讀
生物素 對 落髮 真的有效嗎？
主流醫學認為 生物素 對 落髮 無效（或證據強烈反對）。下方判讀整合 14 個權威來源的立場。
生物素 × 落髮
Biotin (Vitamin B7)
Cochrane / 多 MAs 顯示無效或有害（主流醫學反對）
狀態：主流反證據
主流醫學反對 — 必須標示「不建議」
綜合分數
34%
信心度
92%
效應方向
⏸
註記
🇹🇼 💊
13 層證據快覽（點開展開）
| 來源 | 立場 | 信心 |
|---|---|---|
| 台灣市場 | supportive | 85% |
| 台灣法規 | supportive | 88% |
| PubMed (NIH) | negative | 90% |
| 美國 FDA | neutral | 85% |
| EFSA 歐盟 | supportive | 92% |
| 英國 NHS | cautious | 93% |
| 食藥署 TFDA | supportive | 88% |
| 世界衛生組織 WHO | not_addressed | 85% |
| NIH ODS | supportive | 95% |
| Mayo Clinic 梅約診所 | neutral | 50% |
| Cleveland Clinic 克里夫蘭診所 | neutral | 50% |
| Harvard Health 哈佛健康 | neutral | 50% |
| 專業學會 | neutral | 50% |
| 藥物交互作用 | cautious | 90% |
關鍵引用（9）
- US FDA — 立場: neutral
「Biotin in patient samples can cause incorrect lab test results. The FDA has received a report that one patient taking high levels of biotin died following falsely low troponin test results when a troponin test known to have biotin interfere…」
來源 → - EU EFSA — 立場: supportive
「Biotin contributes to the maintenance of normal hair / Biotin contributes to the maintenance of normal skin / Biotin contributes to the maintenance of normal mucous membranes — Article 13(1) authorised general function claims (Regulation (E…」
來源 → - UK NHS — 立場: cautious
「You should be able to get all the biotin you need by eating a varied and balanced diet. The bacteria that live naturally in your bowel are able to make biotin, so it's not clear if you need any additional biotin from the diet.」
來源 → - TW TFDA / 衛福部 — 立場: supportive
「生物素之足夠攝取量(AI)成人為每日30微克」
來源 → - WHO — 立場: not_addressed
「Clinical signs of deficiency include dermatitis of an erythematous and seborrheic type; conjunctivitis; alopecia; and central nervous system abnormalities... Toxicity is not a problem because of limited intestinal absorption of biotin.」
來源 → - NIH Office of Dietary Supplements — 立場: supportive
「Signs of biotin deficiency include skin rashes, hair loss, and brittle nails. Therefore, biotin supplements are often promoted for hair, skin, and nail health. However, these claims are supported, at best, by only a few case reports and sma…」
來源 → - PubMed PMID 29856749
「A Review of the Use of Biotin for Hair Loss」
來源 → - PubMed PMID 28879195
「The Role of Vitamins and Minerals in Hair Loss: A Review」
來源 → - PubMed PMID 27896343
「Serum Biotin Levels in Women Complaining of Hair Loss」
來源 →
判讀產製方式
上方判讀卡由 gpt-dict 證據引擎 14 層 sub-agent 並行驗證後產出： L1 種子資料庫； L2 PubMed 系統性回顧； L4a–e FDA / EFSA / NHS / TFDA / WHO 監管立場； L5a–e NIH ODS / Mayo / Cleveland / Harvard / 專業學會臨床立場； L9 藥物交互； L10a–b 台灣市場與法規； L11 AI 獨立評分。
層間發現衝突會自動觸發 HEC 規則，evidence_trace 內含完整決策路徑。 每條 verbatim quote 均含原始 URL。