Anti-hyperglycemic effect of aqueous extract of Juglans regia L. leaf (walnut leaf) on type 2 diabetic patients: A randomized controlled trial

This study suggests that the aqueous extract of J. regia leaf had a lowering effect of FPG, PPG and HbA1c in type 2 diabetic patients. Conducting further clinical studies is suggested with larger sample sizes to make precise conclusions about the efficacy and safety of this herb.