Now Foods Choline & Inositol combines 250 mg of choline and inositol per dose. These nutrients are essential components of lecithin and are related to the B vitamins. Choline must be obtained through diet, as the body can only produce a limited amount. Inositol is found in plant foods such as grapefruit, peanut butter, green beans, and Brussels sprouts. This product is gluten-free and soy-free, and has been tested for quality and purity in independent laboratories. It is recommended to take one capsule per day as part of a balanced and varied diet. Consult your doctor before using it if you are pregnant, breastfeeding, or undergoing treatment for any illness.