Since 1947 Supports Brain & Nerve Function Non-GMO Gluten, Wheat & Dairy Free Suitable for Vegans Kosher Parve Dietary SupplementInositol is considered a B Factor related to the B Complex vitamins. It is important for optimal brain and nerve function. It is a primary component of cellular membranes and plays an important role in healthy cell growth and function. It is also a component of lecithin and assists in fat metabolism.