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Weight-loss supplement clinical trials

Clinical trials on weight-loss supplements have shown positive outcomes under controlled conditions, but the results may not apply to commercial products due to labeling inconsistencies.

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Jan 6, 2026

How strong is the clinical evidence that L‑carnitine supplementation produces meaningful long‑term weight loss in humans?

Randomized controlled trials and multiple meta-analyses show that L‑carnitine produces small, statistically significant short‑to‑medium term reductions in body weight and BMI versus placebo, with typi...