Spirulina is a unique single-celled form of blue-green algae. More importantly, Spirulina is 55-60% protein, with all essential amino acids in perfect balance; it has twice more protein than soybean and four times more than red meat. Spirulina is known to be the most digestible protein. For the past 20 years, millions of people have benefitted from its use. Spirulina also provides high concentrations of many other nutrients like amino acids, minerals, vitamins, phyto-nutrients and trace elements.