Chlorella 1000 mg 120 Tabs by NOW is a dietary supplement that provides the user with one of the best green superfoods in existence. dense with health-giving nutrients. Chlorella provides the body with an abundance of health benefits because it contains Beta-Carotene. Iron. Protein. Vitamin B-12. DNA and RNA. Because this NOW supplement is specially formulated using Broken Cell Wall Algae. the Chlorella is more easily digested and absorbed by the body.