Now Foods Chlorella 500 mg, 200 Tablets (Pack of 2)

What the brand says

Chlorella is a green single-celled microalgae that contains the highest concentrations of chlorophyll known. Chlorella also supplies high levels of Beta-Carotene, Mixed Carotenoids, Vitamin C, Iron and Protein. NOW Chlorella delivers the natural nutrient profile found in Genuine Whole Foods.