As a health supplement, Spirulina algae is higher in protein than any other food source with a protein content of 60-70 percent higher than any other natural food and most nutritional products. Unlike other forms of protein, the protein in Spirulina is 85-95% digestible, one of the highest available. Spirulina is second only to dried egg supplment with regards to usable protein.

Even greater nutritional value can be found in its high concentration of antioxidants, vitamins, minerals and other beneficial nutrients which include the essential fatty acids, GLA fatty acid, lipids, the nucleic acids (RNA and DNA), B complex, vitamin C and E and phytochemicals, such as carotenoids, chlorophyll, and phycocyanin, which is a protein that is known to inhibit cancer.