Schiff, a leader in the natural supplement industry since its beginnings more than 70 years ago, is one of the most trusted and respected brands due to its focus on research, innovations and delivery of high quality dietary supplements. Schiff emphasizes the use of only the finest ingredients to ensure every product meets strict standards for identity, purity and stability. The Schiff brand is owned by Salt Lake City-based Schiff Nutrition Group, which develops, manufactures, markets and sells branded and private label vitamins and nutritional supplements in the United States and throughout the world, and Digestive Advantage is one of the brand of Schiff.