From the Manufacturer's Label:
Standardized Velvet Bean Extract
Mucuna pruriensMucuna pruriens, commonly known as Velvet Bean, has been used in the traditional Ayurvedic system in India for thousands of years. NOW® DOPA Mucuna is 100% vegetarian**.
Manufactured by Now® FoodsContains no sugar, salt, yeast, wheat, gluten, corn, soy, milk, egg, shellfish or preservatives.