Goat’s rue (Galega officinalis) is a perennial herb used in traditional medicine. People take it to support healthy blood sugar metabolism and as a mild diuretic. Available forms include liquid extracts, powders, and capsules. It is often taken with meals to help manage blood sugar alongside diet.
Goat’s rue can lower blood sugar. Combining it with diabetes medications may lead to hypoglycemia. The herb also stimulates the uterus. Do not use it during pregnancy.