One of the most important nutritional discoveries of the century. More than 42 research studies have already been undertaken, showing that phosphatidyl serine helps maintain optimum brain function and concentration. Allow 3 weeks for full effect. Ingredients: 500mg Phospholipid Complex containing 100mg Phosphatidyl serine Phosphatidyl Choline Phosphatidyl Ethanolamine Phosphatidyl Inositol. SUITABLE FOR VEGANS & VEGETARIANS. CORN FREE, WHEAT FREE, GLLUTEN FREE AND NON-GM.Directions: Suggested intake: Take 1-3 capsules a day.