Plant Extracts

Evidence: Limited

Tart cherry juice contains small amounts of melatonin. Small trials suggest modest sleep benefits, but the evidence is limited and mostly involves jui...

Evidence: Moderate

Artichoke leaf extract has been studied mainly for cholesterol, with meta-analyses showing modest reductions in total and LDL cholesterol. It has no e...

Evidence: Preliminary

Chlorophyllin is a water-soluble, copper-containing derivative of chlorophyll, often sold as an internal deodorant. Evidence that it freshens breath w...

Evidence: Limited

African mango seed extract is marketed for weight loss. Early trials looked positive, but they were small, mostly at high risk of bias and largely run...

Evidence: Limited

Coleus forskohlii root extract supplies forskolin and is marketed for fat loss. A handful of small trials show inconsistent effects on body compositio...

Evidence: Preliminary

Banaba leaf and its compound corosolic acid have been studied for blood sugar, mostly in animal and small human studies. Evidence is early, and it may...

Evidence: Moderate

Berberine is a plant alkaloid with a meaningful body of clinical research on blood sugar and blood lipids. It also has real drug-interaction potential...