Premium Herbal Non-GMO Project Verified Dietary Supplement Certified Authentic Tru-ID Gluten Free Vegetarian Health through the power of nature, that's what it means to Trust the Leaf. Wild Yam (Dioscorea villosa) has been used traditionally to support women's health, as well as help soothe occasional gastrointestinal discomfort. Our Wild Yam has been carefully tested and produced to superior quality standards.