穀胱甘肽 Glutathione × 免疫功能

結論:證據支持但有警示

The human evidence rests entirely on surrogate immune markers (NK-cell cytotoxicity, lymphocyte proliferation) from two very small trials (n=54 and n=12), one of which had no placebo arm and was funded by a nutraceutical manufacturer.

C 🟠 C 薄弱證據 附警語發布 🚨 high — heavy affiliate marketing in TW community
⚠️ 標記 🇹🇼 台灣在地警示

The human evidence rests entirely on surrogate immune markers (NK-cell cytotoxicity, lymphocyte proliferation) from two very small trials (n=54 and n=12), one of which had no placebo arm and was funded by a nutraceutical manufacturer. There are no clinical-endpoint trials measuring infection incidence, illness duration, or vaccine response, and a 2000 narrative review concludes there is no evidence of immune benefit in healthy people, with documented benefit confined to glutathione-depleted disease states such as HIV. Examine grades the Immune Health block C (Anti-Oxidant Enzyme Profile and Natural Killer Cell Activity, each a single 52-participant study, surrogate outcomes), and no major institution or society (NIH ODS, NCCIH, Mayo, Harvard, CDC, EFSA, WHO) endorses glutathione for immune function. EFSA explicitly rejects glutathione-based antioxidant claims as non-specific biomarkers, and oral glutathione has poor bioavailability with a meta-analysis disputing even the body-store findings. Weak, surrogate-only, low-quality preliminary evidence with no endorsement and a vague consumer claim — this is a C, consistent with Examine.

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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 0.50
D
C
B
A
S
← 反證據 / 無效有效 / 強證據 →
最終評級
C · 附警語發布
信心度
77%
證據方向大致一致
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
L2 PubMed原始文獻
0.45
L1 Examine國際基準
0.50
L3 機轉生理合理性
0.50
L11 AI 複核獨立判讀
0.50
L5 臨床機構權威立場
0.55
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 = 0.497
  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 + 0 個 soft dispute
  6. decide_status — 依 tier + dispute 結果決定 status

Randomized controlled trial of oral glutathione supplementation on body stores of glutathione
PMID: 24791752 2015 RCT (double-blind) n = 54
結論:High-dose group showed 30-35% rise in erythrocyte/plasma/lymphocyte GSH and 260% in buccal cells (P<0.05). Natural killer cell cytotoxicity increased more than two-fold versus placebo at 3 months in the high-dose group (P<0.05). GSH levels returned to baseline after a 1-month washout.
政府資助 效應量:NK cytotoxicity >2-fold increase vs placebo at 3 months (high-dose)
前往 PubMed
Oral supplementation with liposomal glutathione elevates body stores of glutathione and markers of immune function
PMID: 28853742 2018 隨機對照試驗 n = 12
結論:Whole-blood GSH rose up to 40% and PBMC GSH up to 100% at 2 weeks (P<0.05). NK cell cytotoxicity elevated up to 400% and lymphocyte proliferation up to 60% at 2 weeks (P<0.05). Authors explicitly note limited statistical power due to the small sample.
🟠 品質有限 ⚠️ 廠商資助 效應量:NK cytotoxicity +up to 400%; lymphocyte proliferation +up to 60% at 2 weeks
前往 PubMed
Glutathione and immune function
PMID: 11115795 2000 Other
結論:Lymphocyte function depends on a tightly balanced intracellular glutathione level. Glutathione (or cysteine) supplementation restored near-normal NK activity in HIV-infected patients in two RCTs, but the review states there is no indication that resistance to infection or vaccine response is enhanced in healthy human subjects by glutathione or cysteine supplementation.
效應量:n/a (review) — benefit confined to GSH-depleted disease states
前往 PubMed

L4a US FDA
反對
FDA warns compounders not to use glutathione L-reduced powder distributed by Letco Medical to compound sterile injectable drugs for patients. The L-glutathione powder was labeled with 'Caution: Dietary Supplement' and should not have been used to compound sterile injectable drugs. 來源↗
L4b EU EFSA
反對
L4c UK NHS
未表態
— 本適應症無對應資料
L4d TW TFDA / 衛福部
謹慎
由圓酵母(Torula yeast)發酵製成之食品原料穀胱甘肽,其每日食用限量為二百五十毫克,且應標示「對穀胱甘肽過敏者、孕婦、哺乳婦女及嬰幼兒應避免食用」之警語字樣。 來源↗
L4e WHO
未表態
— 本適應症無對應資料

L5a NIH Office of Dietary Supplements
謹慎
— 本適應症無對應資料
L5b Mayo Clinic
未表態
— 本適應症無對應資料
L5c Cleveland Clinic
中性
L5d Harvard Health
未表態
— 本適應症無對應資料
L5e Specialty Society (condition-mapped)
未表態

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
📍立場總覽

台灣社群(PTT BeautySalon/e-shopping、Dcard 美妝板)對穀胱甘肽的討論幾乎全聚焦在「美白、淡斑、亮白、抗老」,極少有人把口服穀胱甘肽當作提升免疫力/抵抗力的保健品。在討論「增加抵抗力」的看板(BabyMother、WomenTalk)鄉民提到的是益生菌、D3、藻精,而非穀胱甘肽。故就「免疫功能」此特定 condition 而言屬無相關社群討論。

💬社群實感

免疫功能用途無共識(社群幾乎不以此用途討論);美白用途則評價分歧(部分稱有感變白、部分稱完全沒效為智商稅)

破解迷思 社群最常見的 3 個誤解
迷思「吃穀胱甘肽能增強免疫力」
事實社群此說法多源自業配文與保健品行銷,鄉民實際討論集中在美白,免疫用途缺乏在地使用經驗佐證
迷思「口服穀胱甘肽能整顆被吸收發揮作用」
事實常見迷思,實際易被胃酸與腸道分解,吸收率與生體可用率受質疑
迷思「劑量越高越好」
事實衛福部口服上限為每日 250mg,超過部分多被排出
🩹 社群通報的副作用
  • 腸胃不適(腹痛、腹瀉、嘔吐)
  • 皮膚紅腫、發癢(過敏反應)
  • 多數使用者反映無明顯副作用,最常見抱怨為「完全沒感/沒效」
🏷️ 社群熱議品牌

依論壇被提及頻率,非銷售或品質排序。

  • 活沛多穀胱甘肽錠(PTT 美白心得文常見,主訴美白淡斑非免疫)
  • NOW 健而婷(部分鄉民稱有感、部分稱沒效)
  • 你滋美得/BHK's/VITABOX/娘家/天使娜拉(Dcard 美妝板評比常見品牌,皆主打美白)

⚠️ 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。

查看代表討論串 ↗

L10a · 廠商行銷話術 行銷語言
💬 通路如何宣傳

可以補充穀胱甘肽搭配維他命C,每日不超過250毫克長期補充,能夠增進肌膚的抵抗力

代表來源 ↗
L10b · TFDA 法定身份 官方認定

由圓酵母發酵製成之穀胱甘肽,其每日食用限量為二百五十毫克

來源 ↗

  • 充足且規律的睡眠
  • 疫苗接種
  • 規律身體活動
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
aggregated_at: 2026-06-01 claim_version: v23 engine_version: v1.0 claim_id: CLM-COND-immune-function-INT-glutathione-001
查看 ClaimReview 結構化資料 (JSON-LD)
{
  "@context": "https://schema.org",
  "@type": "ClaimReview",
  "url": "https://gpt-dict.com/claim/CLM-COND-immune-function-INT-glutathione-001/",
  "datePublished": "2026-06-01",
  "author": {
    "@type": "Organization",
    "name": "gpt-dict.com",
    "url": "https://gpt-dict.com"
  },
  "claimReviewed": "穀胱甘肽能改善免疫功能",
  "inLanguage": "zh-TW",
  "itemReviewed": {
    "@type": "Claim",
    "appearance": []
  },
  "reviewRating": {
    "@type": "Rating",
    "ratingValue": 2,
    "bestRating": 5,
    "worstRating": 1,
    "alternateName": "🟠 C 薄弱證據"
  }
}