Enjoy Green Foods Og1 Chlorella 500Mg (1x120TAB). Organic chlorella is one of the most nutrient dense, 100% natural supplements containing protein, vitamin A, vitamin C, B vitamins, iron, chlorophyll, and chlorella growth factors. Note: description is informational only. Please refer to ingredients on the product before use. Please address any health or dietary questions to your health professional before using this item.