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GLP-1

The ineffectiveness of products claiming to boost GLP-1.

Fact-Checks

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Jan 14, 2026
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What non-prescription weight loss additives work best

The only nonprescription product with solid regulatory backing for weight loss is orlistat (Alli), an over‑the‑counter drug that reduces fat absorption and can modestly aid weight loss but has well‑do...

Jan 18, 2026

Which dietary ingredients (e.g., berberine, probiotics) have peer‑reviewed evidence of increasing endogenous GLP‑1 secretion in humans?

Controlled human evidence that specific foods or supplements raise endogenous GLP‑1 is real but limited: the clearest peer‑reviewed signals come from protein (notably whey), fermentable soluble fiber ...