From the Manufacturer:
Supports The Immune System.
Promotes Energy, Vitality, And Natural Cleansing. Yaeyama Chlorella is 100% fresh-water chlorella, grown on the coral reef island of Ishigaki, Japan. Chlorella may enhance health naturally by supporting the immune system and promoting energy, vitality, and natural cleansing.
Yaeyama Chlorella is rich in chlorella growth factor (CGF), vitamins, minerals, chlorophyll, beta-carotene, and other phytonutrients. It is spray dried using a special process that breaks the cell wall, yet preserves the nutrients within, ensuring a highly digestible and nutrient-rich product. Source Naturals Yaeyama Chlorella contains absolutely no added binders, fillers, or flow agents.