Pregnant patients should also avoid guggul, since guggul gum resin appears to stimulate menstrual flow. Information about possible effects on lactation is lacking.

The mukul myrrh tree ( Commiphora mukul), a native of India, secretes the substance guggul (also known as guggulu or guggulipid) when its bark is injured. Guggul has been used in Ayurvedic ...