SOWELO CHLORELLA TABLETS. CHLORELLA is characterized by a very high content of iron and vitamin B12. It is a rich source of chlorophyll as well as many vitamins and minerals, the largest of which are vitamins A, C, E, B vitamins, as well as folic acid, lutein and beta carotene, which is a provitamin of vitamin A. CHLORELLA has multidirectional nutritional properties, is a rich source of protein, vitamins and minerals.