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卡瓦胡椒 Kava × 壓力

結論：台灣市場資訊黑箱

在台 TFDA + 市場資料皆缺，無法在地化判讀

C 🟠 C 薄弱證據 台灣法規禁言 ✨ low — community discussion mostly non-commercial
⚠️ 標記 ⚠️ stale 🇹🇼 台灣在地警示 💊 檢驗 / 藥物交互作用

⚖️

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 0.47
D
C
B
A
S
← 反證據 / 無效有效 / 強證據 →
最終評級
C · 台灣法規禁言
信心度
82%
證據方向一致性高
證據層級
E6
多篇較小型隨機對照試驗

各層「支持此療效」的程度

分數越低＝該層越不支持
L5 臨床機構權威立場
0.40
L3 機轉生理合理性
0.50
L11 AI 複核獨立判讀
0.50
L2 PubMed原始文獻
0.60
L1 Examine國際基準
0.70
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 = 0.473
  2. tier_from_score — 依分數區間映射至 tier letter
  3. apply_hec_rules — 無高階證據可裁決
  4. tier_strict_requirement_check — Tier 條件達標，未降階
  5. detect_disputes — 偵測到 0 個 hard + 1 個 soft dispute
  6. decide_status — 依 tier + dispute 結果決定 status

Effect of kava and valerian on human physiological and psychological responses to mental stress assessed under laboratory conditions
PMID: 11807960 2002 隨機對照試驗 n = 54
結論：Systolic BP responsivity to acute mental stress significantly decreased after 7 days kava (and valerian); subjective pressure also lower; HR reactivity declined in valerian but not kava arm.
效應量：[object Object]
前往 PubMed
Treatment of anxiety, tension and restlessness states with Kava special extract WS 1490 in general practice: a randomized placebo-controlled double-blind multicenter trial
PMID: 14692723 2003 RCT (double-blind) n = 141
結論：Kava superior to placebo on ASI change from baseline (p<0.01); 73% of kava vs 56% of placebo patients improved >5 ASI points.
效應量：[object Object]
前往 PubMed
Efficacy of a special Kava extract (Piper methysticum) in patients with states of anxiety, tension and excitedness of non-mental origin - A double-blind placebo-controlled study of four weeks treat…
PMID: 23194958 1996 RCT (double-blind) n = 58
結論：Significant HAMA reduction vs placebo from week 1 onward, increasing through week 4; no medication-related adverse events in this 4-week trial.
效應量：[object Object]
前往 PubMed

L4a US FDA
謹慎
Kava-containing products have been associated with liver-related injuries — including hepatitis, cirrhosis, and liver failure — in over 25 reports of adverse events in other countries. 來源↗
L4b EU EFSA
反對
The Medicines for Human Use (Kava-kava) (Prohibition) Order 2002... prohibits the sale, supply or importation of any medicinal product consisting of or containing Kava-kava. Following reports associating kava with cases of severe hepatotoxicity, Germany's BfArM revoked the marketing authorisations for kava-containing medicinal products in 2002. 來源↗
L4c UK NHS
反對
Subject to the provisions of this Order, no person shall sell, supply or import for the purpose of sale or supply any medicinal product that consists of or contains Kava-kava... 'Kava-kava' means any plant belonging to the species Piper methysticum. 來源↗
L4d TW TFDA / 衛福部
反對
台灣亦將卡瓦胡椒列為禁用之中藥成分(衛署中字)；卡瓦胡椒因具有潛在的嚴重肝毒性風險，目前在德國、瑞士、加拿大、英國等多國曾受到限制或禁止販售；美國 FDA 於 2002 年已發出消費者警告。 來源↗
L4e WHO
謹慎
Assessment of the risk of hepatotoxicity with kava products. [WHO, 2007] The objective of this assessment was to examine the safety of kava with a focus on the issue of hepatotoxicity, in view of reports of severe liver injury, including cases of liver failure requiring transplantation, associated with the consumption of kava-containing products. 來源↗

L5a NIH Office of Dietary Supplements
謹慎
Kava supplements may be helpful for anxiety, but they may need to be taken for several weeks to produce an effect. ... Various kava products have been linked to rare cases of liver injury, some of which have been serious or even fatal. 來源↗
L5b Mayo Clinic
謹慎
Kava has been associated with severe liver damage. The U.S. Food and Drug Administration (FDA) has issued warnings about the use of kava-containing supplements and the potential risk of severe liver damage. Avoid kava. 來源↗
L5c Cleveland Clinic
謹慎
Kava may help ease anxiety and promote relaxation. But there's a catch: It's been linked to serious liver damage, including liver failure. Talk to your doctor before trying kava, and don't use it if you have liver problems or drink alcohol. 來源↗
L5d Harvard Health
謹慎
— 本適應症無對應資料
L5e Specialty Society (condition-mapped)
謹慎
— 本適應症無對應資料

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 低度
低中高
📍立場總覽

卡瓦胡椒因肝毒性疑慮被台灣列為『限制使用中藥材』，不得作為食品/膳食補充劑合法販售，故 PTT、Dcard、Mobile01、FB 社團、痞客邦幾乎不存在以『卡瓦胡椒抗壓力/抗焦慮』為主題的真實在地使用心得。搜尋命中的『卡瓦/kava』結果絕大多數與本主題無關（卡瓦蛋糕 KawaCake、kava 飾品、Coffee 板咖啡豆、《良醫》影集劇情提到孩童服 kava 補品引發過敏等），少數提及多為衛教/業配科普文（如營養新知、iHerb 部落格）而非社群實測討論。屬冷門、台灣社群討論度極低的補充品，無共識可言；社群經驗本就不能取代研究證據，此處更連 anecdotal 訊號都付之闕如。

💬社群實感

無共識（台灣社群幾乎無『卡瓦胡椒用於壓力』的真實使用心得，因屬限用中藥材、不得合法販售；搜尋命中多為同名無關內容或衛教/業配科普文）

L10a · 廠商行銷話術 行銷語言
💬 通路如何宣傳

台灣亦將卡瓦胡椒列為禁用之中藥成分(衛署中字)

代表來源 ↗
L10b · TFDA 法定身份 官方認定

卡瓦胡椒（Piper methysticum）不得作為食品原料

來源 ↗

  • 正念減壓（MBSR／正念為基礎的介入）
  • 規律有氧運動
  • 認知行為治療（CBT）
✓ PMID 100% 反查全部經 NCBI Entrez 驗證
🔬 3 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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