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Evidence-Based Supplement Research
Evidence-Based Supplement Research
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Acetyl-Carnitine and Improved Quality of Life

Research synthesisLow evidenceSmall effect3 studies · 2 beneficial · 1 neutral · 0 harmful

Across 3 studies, 2 reported beneficial small-sized effects of acetyl-carnitine on quality of life, while 1 found neutral results. The median study duration was 182 days, and effects were observed in clinical populations such as women with PCOS and patients with chronic neuropathic pain, with a suggested dose of 1,000 mg/day.

  • Effective dose range: 1,000 mg/day
  • Studied populations: adult breast cancer patients, women with PCOS, patients with chronic neuropathic pain

Caveats: Evidence base is small (only 3 studies) — conclusions should be considered preliminary. The evidence quality is limited by mixed results across study types, with one study showing neutral findings and a small sample size in the beneficial trials.

Generated Jul 15, 2026
Doses used in studies
  • mg/day: 1,000 (median 1,000, IQR 1,000–1,000) — 1 study
Time to effect
Median: 6.1 months · IQR 6.1 months–6.1 months · Range 6.1 months–6.1 months — Reported in 1 of 3 studies
Safety in these studies
3 of 3 papers
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