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維生素 B1（硫胺 / 硫胺素 / Thiamine） Vitamin B1 (Thiamine) × 微量營養素缺乏（硫胺素／維他命 B1 缺乏：腳氣病、Wernicke-Korsakoff 症候群、再餵食症候群）

結論：證據支持

三方一致 + 證據鏈足夠 + 無分歧

S 🟢 S 強證據 已發布 🚨 high — heavy affiliate marketing in TW community
⚠️ 標記 🇹🇼 台灣在地警示 💊 檢驗 / 藥物交互作用

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評分透明度

所有分數由 7 層證據引擎計算，過程公開可查
原始分數 0.80
D
C
B
A
S
← 反證據 / 無效有效 / 強證據 →
最終評級
S · 已發布
信心度
86%
證據方向一致性高
證據層級
E1
Cochrane 高品質系統性回顧／統合分析

各層「支持此療效」的程度

分數越低＝該層越不支持
L1 Examine國際基準
0.50
L3 機轉生理合理性
0.75
L2 PubMed原始文獻
0.85
L5 臨床機構權威立場
0.85
L11 AI 複核獨立判讀
0.95
不支持 中性 / 混合 支持
▸查看完整決策路徑（audit trail）
  1. compute_raw_score — 加權公式: L2×0.30 + L3×0.25 + L5×0.25 + L11×0.10 + L1×0.10 = 0.8
  2. tier_from_score — 依分數區間映射至 tier letter
  3. apply_hec_rules — 高品質 SR/MA 顯示 positive (1 篇 > 0 negative)
  4. tier_strict_requirement_check — A 級條件達標
  5. detect_disputes — 偵測到 0 個 hard + 0 個 soft dispute
  6. decide_status — 依 tier + dispute 結果決定 status

Thiamine for prevention and treatment of Wernicke-Korsakoff Syndrome in people who abuse alcohol
PMID: 23818100 2013 Cochrane SR n = 177
結論：A significant difference favoured 200 mg/day over 5 mg/day on the delayed alternation test, but the review concluded evidence from RCTs is insufficient to guide clinicians on the dose, frequency, route or duration of thiamine for preventing or treating Wernicke-Korsakoff syndrome in alcohol abuse; importantly the included trials tested DOSE comparisons, not thiamine vs no-thiamine, because withholding thiamine from at-risk patients is considered unethical given established efficacy.
🟢 高品質 政府資助
前往 PubMed
What is the optimum thiamine dose to treat or prevent Wernicke's encephalopathy or Wernicke-Korsakoff syndrome? Results of a randomized controlled trial
PMID: 35428992 2022 RCT (double-blind) n = 520
結論：No clear benefit of high-dose thiamine over intermediate or lower doses on cognitive outcomes over the intervals examined; all dose arms improved, confirming thiamine repletion works while indicating standard parenteral doses suffice (the trial assumes baseline efficacy of thiamine and compares magnitudes, not thiamine vs placebo).
🟢 高品質 政府資助
前往 PubMed
An Overview of Beriberi
PMID: 40753975 2026 系統性回顧
結論：Thiamine deficiency is the established cause of beriberi; the review recommends immediate thiamine administration (100-300 mg/day, IV/IM/oral) once clinical manifestations appear, noting diagnosis can be confirmed by therapeutic response. Wet beriberi cardiac failure can reverse dramatically within hours-days of IV thiamine, illustrating definitive deficiency-correction efficacy.
學術資助
前往 PubMed
Thiamin
PMID: 29477220 2018 系統性回顧
結論：Reviews the discovery that thiamine deficiency causes beriberi and documents that deficiency-related signs (often mistaken for psychosomatic/functional disease) respond to thiamine repletion, with some genetic/high-demand states requiring megadose thiamine or derivatives; reinforces deficiency correction as the definitive, textbook indication for thiamine.
🟠 品質有限
前往 PubMed
Revisiting the refeeding syndrome: Results of a systematic review
PMID: 28087222 2017 系統性回顧
結論：Refeeding precipitates acute thiamine demand and deficiency; reviews consistently recommend thiamine loading (typically 100-300 mg/day) before and during refeeding, with reported clinical improvement and no harm, supporting thiamine as standard-of-care deficiency prophylaxis in refeeding syndrome. Consistent with Steiner & Hewlings 2021 SR (Topics in Clinical Nutrition; mean dose ~173 mg/day, all studies showed symptom improvement, no harm).
學術資助
前往 PubMed

L4a US FDA
支持
NUTRIENT SUPPLEMENT 來源↗
L4b EU EFSA
支持
a cause and effect relationship has been established between the dietary intake of thiamine and (a) contribution to normal energy-yielding metabolism, (b) contribution to normal neurological function, and (c) contribution to normal function of the heart. 來源↗
L4c UK NHS
謹慎
Thiamin (vitamin B1) helps: the body break down and release energy from food; keep the nervous system healthy. Adults aged 19 to 64 need about: 1mg a day of thiamin for men; 0.8mg a day of thiamin for women. You should be able to get all the thiamin you need from your daily diet. Thiamin cannot be stored in the body, so you need it in your diet every day. 來源↗
L4d TW TFDA / 衛福部
支持
維生素B1有助於維持能量正常代謝；維生素B1有助於維持皮膚、心臟及神經系統的正常功能；維生素B1有助於維持正常生長 來源↗
L4e WHO
支持
Thiamine hydrochloride. Injection: 100 mg/mL in 1‑mL ampoule. Tablet: 50 mg (hydrochloride). — listed under 'Vitamins and minerals', WHO Model List of Essential Medicines. 來源↗

L5a NIH Office of Dietary Supplements
支持
Because of the lack of reports of adverse effects from high thiamin intakes (50 mg/day or more) from food or supplements, the FNB did not establish ULs for thiamin. Thiamin deficiency can cause loss of weight and appetite, confusion, memory loss, muscle weakness, and heart problems. 來源↗
L5b Mayo Clinic
支持
Lack of thiamine may lead to a condition called beriberi. Signs of beriberi include loss of appetite, constipation, muscle weakness, pain or tingling in arms or legs, and possible swelling of feet or lower legs. In addition, if severe, lack of thiamine may cause mental depression, memory problems, weakness, shortness of breath, and fast heartbeat. 來源↗
L5c Cleveland Clinic
支持
Thiamine deficiency happens when your body doesn't get or can't use enough vitamin B1. Without enough thiamine, your body can't turn food into energy, which affects your nerves, muscles and heart. Healthcare providers treat thiamine deficiency with thiamine supplements, given by mouth or through an IV depending on how severe your deficiency is. Severe deficiency can cause beriberi or Wernicke-K… 來源↗
L5d Harvard Health
支持
Thiamin (thiamine), or vitamin B1, is a water-soluble vitamin found naturally in some foods... It is required by our bodies to properly use carbohydrates. A deficiency of thiamin can lead to a condition called beriberi. 來源↗
L5e Specialty Society (condition-mapped)
支持
In many areas of rural Southeast Asia, thiamine deficiency is the accepted cause of wet beriberi, which presents with respiratory distress and heart failure and rapidly improves after thiamine administration. (AJCN). WHO (WHO/NHD/99.13): thiamine deficiency "can develop within 2-3 months of inadequate consumption" and "Left untreated, thiamine deficiency leads to disability and death." 來源↗

PTT · Dcard · Mobile01 彙整自公開論壇討論，非統計抽樣，僅反映社群風向。
廣告 / 業配密度 極高
低中高
📍立場總覽

腳氣病、Wernicke-Korsakoff、再餵食症候群屬臨床急症（多靠醫師打針或處方高劑量B1處理），非民眾自行保健範疇，PTT/Dcard/Mobile01幾乎無真實使用心得討論。搜尋命中幾乎全是健康媒體（Hello醫師、華人健康網、三立/今健康）與內容農場（pttnews）的衛教/業配文，缺乏匿名社群實測辯證訊號。社群對B1的討論集中在B群提神（見fatigue cache），與本deficiency主題無交集。

💬社群實感

無共識（社群幾乎無針對腳氣病／Wernicke-Korsakoff／再餵食症候群的真實B1使用心得；此類為臨床急症由醫師處置，非鄉民自補經驗範疇）

L10a · 廠商行銷話術 行銷語言
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代表來源 ↗
L10b · TFDA 法定身份 官方認定

成人B1建議攝取量男1.2女0.9毫克

來源 ↗

  • 多樣且足量的均衡飲食
  • 大規模食物強化
✓ PMID 100% 反查全部經 NCBI Entrez 驗證
🔬 5 篇 L2 文獻 經多層 sub-agent 獨立評估
🇹🇼 含台灣社群分析L10c PTT / Dcard / Mobile01
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查看 ClaimReview 結構化資料 (JSON-LD) 
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