Chlorella contains high levels of chlorophyll, vitamin B12, beta-carotene and RNA/DNA when compared with other whole-foods. More than 20 vitamins and minerals are found in chlorella, including iron, calcium, potassium, magnesium, phosphorous, pro-vitamin A, vitamins B1, B2, B2, B5, B6 and B12, biotin, inositol, folic acid, plus vitamins C, E and K. 60+% of Nature's Balance Chlorella is superior protein, providing all of the dietary-essential amino acids in excellent ratios. Chlorella is also a reliable source of essential fatty acids that are required for many important biochemical functions, including hormone balance. Nature's Balance Chlorella is cultivated outdoors in mineral-rich freshwater ponds. The entire process from strain maintenance in the laboratory to harvesting of the final product is monitored by microbiologists to ensure optimal nutrient value and product purity. This green single-cell freshwater algae is a rich and balanced source of many nutrients that are essential to health but increasingly deficient in today's diet of denatured, processed and refined foods.