肌酸 Creatine × 帕金森氏症
結論：主流反證據
高品質 RCT 證據明確指向「無效」：2017 BMC Neurology 統合分析（5 RCT、n=1339）與 2014 Cochrane 系統性回顧均顯示肌酸對 UPDRS 總分、運動功能、ADL、生活品質均無顯著改善；NIH NET-PD LS-1 大型試驗（10 g/日、5 年、雙盲安慰劑對照）於 2013 年因 futility 提前終止。
D 🔴 D 反證據 主流反證據 🚨 high — heavy affiliate marketing in TW community
高品質 RCT 證據明確指向「無效」：2017 BMC Neurology 統合分析（5 RCT、n=1339）與 2014 Cochrane 系統性回顧均顯示肌酸對 UPDRS 總分、運動功能、ADL、生活品質均無顯著改善；NIH NET-PD LS-1 大型試驗（10 g/日、5 年、雙盲安慰劑對照）於 2013 年因 futility 提前終止。
Michael J. Fox 基金會與 MDS 實證回顧亦明確不推薦肌酸用於 PD。
Mayo Clinic 另警告肌酸 + 每日 >300 mg 咖啡因可能加速疾病進展。
整體屬於 D 級（against）— 證據不僅不足，而是大型 RCT 證實無效並具特定安全顧慮。
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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 0.27
D
C
B
A
S
← 反證據 / 無效有效 / 強證據 →
最終評級
D · 主流反證據
信心度
83%
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
▸查看完整決策路徑（audit trail）
- compute_raw_score — 加權公式: L2×0.30 + L3×0.25 + L5×0.25 + L11×0.10 + L1×0.10 = 0.269
- tier_from_score — 依分數區間映射至 tier letter
- apply_hec_rules — 無高階證據可裁決
- tier_strict_requirement_check — Tier 條件達標，未降階
- detect_disputes — 偵測到 0 個 hard + 0 個 soft dispute
- decide_status — 依 tier + dispute 結果決定 status
Effect of creatine monohydrate on clinical progression in patients with Parkinson disease: a randomized clinical trial (NET-PD LS-1)
結論：The trial was terminated early for futility: at the planned interim analysis (n=955) the global statistical test was t1865.8 = -0.75 (2-sided P = .45), with mean summed ranks of 2360 (placebo) vs 2414 (creatine) and no detectable difference in adverse events.
前往 PubMed Creatine for Parkinson's disease (Cochrane Systematic Review)
結論：Pooling 2 RCTs (n=194) found no clear effect on motor function (MD -0.26, 95% CI -4.39 to 3.88) or ADL (MD 0.37, 95% CI -1.28 to 2.02), both low-quality evidence, with higher gastrointestinal side-effect rates at 2-year follow-up.
前往 PubMed The effectiveness of creatine treatment for Parkinson's disease: an updated meta-analysis of randomized controlled trials
結論：Across 5 RCTs (n=1339) there were no significant differences between creatine and control in total, mental, ADL or motor UPDRS scores, with only a marginal improvement seen on the Schwab & England Scale.
前往 PubMed Meta-Analysis of Creatine for Neuroprotection Against Parkinson's Disease
結論：Pooling 3 RCTs (n=1935) the overall effect favored neither group on UPDRS total (MD 1.07, 95% CI -3.38 to 1.25), UPDRS III (MD 0.62, 95% CI -2.27 to 1.02), UPDRS II (MD 0.03) or UPDRS I (MD 0.03), so current evidence does not support creatine for neuroprotection against PD.
前往 PubMed L5a NIH Office of Dietary Supplements
支持
May increase strength, power 來源↗
L5b Mayo Clinic
謹慎
In one large study of people with Parkinson's disease who took creatine, those who consumed more than 300 mg of caffeine a day had faster progression of Parkinson's disease. More research is needed. 來源↗
L5c Cleveland Clinic
謹慎
Neurodegenerative diseases, such as muscular dystrophy, Parkinson's disease and Huntington's disease [may benefit from creatine supplements]. Studies suggest that creatine supplements may help brain function in people 60 and older. This includes: Short-term memory. Reasoning. Neuroprotection (keeping groups of nerve cells safe from injury or damage). 來源↗
L5d Harvard Health
謹慎
Some small studies have suggested that creatine might be helpful for those with a few diseases that afflict older people, such as heart failure and Parkinson's disease. 來源↗
L5e Specialty Society (condition-mapped)
反對
In Parkinson's, researchers have investigated certain supplements, such as creatine, coenzyme Q, inosine and vitamin E. (Unfortunately none demonstrated benefit.) 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
台灣 PTT、Dcard、Mobile01 等社群關於肌酸的討論幾乎全部集中於健身、增肌、運動表現，並未見到一般使用者將肌酸與帕金森氏症（巴金森症）做連結的心得或推薦；帕金森氏症相關社群討論多聚焦於藥物（如左旋多巴）、深部腦刺激手術與門診推薦，幾乎無人提及補充肌酸作為輔助。
💬社群實感
資料不足
破解迷思 社群最常見的 3 個誤解
✓
事實誤以為肌酸只是健身族用品，與神經疾病無關
✓
事實誤以為肌酸會傷腎，因此帕金森長者不敢嘗試
✓
事實誤以為肌酸吃了會水腫、變胖，不適合年長者
🩹 社群通報的副作用
- 腸胃不適、乾嘔
- 體重短期上升（水分滯留）
- 口渴、需大量補水
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查看 ClaimReview 結構化資料 (JSON-LD)
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