From the dawn of civilisation through the ancient Aztecs to the modern day Spirulina has been a precious wholefood. Being 60% protein weight for weight it is as beneficial store of highly digestible plant protein with all essential amino acids. It also contains Iron anti-oxidants beta carotene & other carotenoids all in natural form & is a rich source of Vitamin B12 & Biotin. in addition Spirulina is a valuable Wholefood source of GLA.