肌酸 Creatine × 肌少症
結論：證據支持但有警示
L2 PubMed 收錄 5 篇近年系統性回顧／統合分析（2014–2025，含 33 RCTs n=1,076 大型分析）一致顯示肌酸搭配阻力訓練可改善高齡者肌力、淨體組織量與坐站表現，方向高度一致；EFSA L4b 更核准 55 歲以上「肌酸 ≥3 g/day + 每週 3 次阻力訓練改善肌力」的 Article 13(5) 健康宣稱（cause-effect established），是少見的法規層級確證。
B 🟡 B 初步證據 附警語發布 🚨 high — heavy affiliate marketing in TW community
L2 PubMed 收錄 5 篇近年系統性回顧／統合分析（2014–2025，含 33 RCTs n=1,076 大型分析）一致顯示肌酸搭配阻力訓練可改善高齡者肌力、淨體組織量與坐站表現，方向高度一致；EFSA L4b 更核准 55 歲以上「肌酸 ≥3 g/day + 每週 3 次阻力訓練改善肌力」的 Article 13(5) 健康宣稱（cause-effect established），是少見的法規層級確證。
但 Cleveland Clinic 明確指出「65 歲以上肌肉生長證據不足」，AGS/EWGSOP2 共識文件未將肌酸列為肌少症治療建議，Mayo Clinic 對年長者亦未表態；患者向消費端共識尚未一致，且多數試驗品質仍偏低，因此給予 B（中等強度證據，效益方向明確但部分權威機構保留）而非 A。
⚖️
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 0.65
D
C
B
A
S
← 反證據 / 無效有效 / 強證據 →
最終評級
B · 附警語發布
信心度
78%
證據方向大致一致
證據層級
E2
多篇高品質統合分析（≥2 篇一致）
▸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 = 0.653
- 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
Creatine supplementation for optimization of physical function in the patient at risk of functional disability: A systematic review and meta-analysis
— 詳細結論請見 PubMed 原文
前往 PubMed
The impact of creatine supplementation associated with resistance training on muscular strength and lean tissue mass in the aged: a systematic review and meta-analysis
— 詳細結論請見 PubMed 原文
前往 PubMed
Creatine supplementation during resistance training in older adults - a meta-analysis
— 詳細結論請見 PubMed 原文
前往 PubMed
Efficacy of Creatine Supplementation Combined with Resistance Training on Muscle Strength and Muscle Mass in Older Females: A Systematic Review and Meta-Analysis
— 詳細結論請見 PubMed 原文
前往 PubMed
Creatine monohydrate supplementation for older adults and clinical populations
— 詳細結論請見 PubMed 原文
前往 PubMed
L5a NIH Office of Dietary Supplements
支持
May increase strength, power 來源↗
L5b Mayo Clinic
中性
Creatine might help athletes who need to use short bursts of speed or increased muscle strength, such as sprinters, weightlifters and team sport athletes. Studies show that it's safe for healthy adults to use creatine for a short or long time. When taken by mouth at recommended doses, creatine is likely safe for many people to take for up to five years. 來源↗
L5c Cleveland Clinic
謹慎
there isn't enough research to say that creatine helps develop muscle growth in people older than 65 來源↗
L5d Harvard Health
謹慎
Creatine supplementation along with regular resistance training and a well-balanced diet may offset age-related sarcopenia. The general recommendation for people who do take a creatine supplement is 3 to 5 grams per day. However, people with kidney disease should consult with their doctor prior to taking it. 來源↗
L5e Specialty Society (condition-mapped)
中性
— 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 極高
低中高
📍立場總覽
台灣社群討論肌少症時，銀髮族長輩多以蛋白粉、營養補充品為主，肌酸主要在健身板（MuscleBeach、FITNESS、Dcard 健身板）被討論，普遍認為安全、有助於力量提升，但對於『單靠肌酸預防老人肌少症』態度保守，認為運動與蛋白質仍是核心，肌酸是輔助。
💬社群實感
意見分歧
破解迷思 社群最常見的 5 個誤解
✓
事實誤以為肌酸會傷腎（其實是會讓肌酸酐數值上升、易被誤判）
✓
事實誤以為吃肌酸就會自動長肌肉，不需要運動
✓
事實誤以為只有健美選手才需要補肌酸、老人沒必要
✓
事實把『水腫』當成『長肌肉』，停用後體重掉就以為沒效
✓
事實誤以為填充期是必須的（社群普遍認為可省略，每日 5g 即可）
🩹 社群通報的副作用
- 保水導致體重增加 1-2 公斤
- 腸胃不適、放屁變多
- 口感酸澀（Myprotein 被反映喝起來像檸檬汁、可能傷牙）
- 可能加重雄性禿（DHT 上升的疑慮，社群普遍認為證據薄弱）
- 乾嘔（少數使用者）
🏷️ 社群熱議品牌
依論壇被提及頻率，非銷售或品質排序。
- Myprotein
- Optimum Nutrition (ON)
- 果果能量 (GuoGuo)
- Now Foods
- Tryall
- Universal Nutrition
⚠️ 列出僅代表「TW 社群討論度高」，不代表本站推薦或背書。本站不販售任何產品、無導購連結。
- 漸進式阻力訓練
- 攝取足量蛋白質
查看 ClaimReview 結構化資料 (JSON-LD)
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