Spirulina is a rich source of amino acids, the building blocks of protein. It is also a rich source of other nutrients including chlorophyll, carotenoids, vitamins, minerals, essential fatty acids and pigments. These pigments called phycobilins, include phycocyanin and allophycocyanin, which are powerful antioxidants. Many people use spirulina as a supplement to provide more energy, nutritional insurance, assist weight control and in cleansing programs.

Spirulina is beneficial for athletes to assist with increasing endurance and strength and for seniors to enhance their nutrient absorption. Spirulina is also safe for children, pregnant and nursing mothers.