Phytoplankton is the foundation and first form of food, life and nutrition in the ocean. Karen® is 100% pure, natural phytoplankton. It is an excellent source of Zeaxanthin, an antioxidant and contains Beta-Carotene. Tap into this ancient nutrition, the power of the ocean. With this 15g bottle you can nourish your body and maintain good health for 60 days with the minimum dosage of ½ scoop per day. Your daily cost is 85 cents per day only.