One animal study found mulberry leaf extract lowered triglyceride levels. And a combination of mulberry leaf extract and mulberry fruit extract also lowered fasting (before-meal) blood sugar levels.

Inquiry, Vol. 58 (January-December 2021), pp. 1-7 (7 pages) Mulberry extract from Fructus Mori contains an anthocyanin pigment and has been widely used as a food additive in China and other Eastern ...