Spirulina is alleged to be ours and everything else's oldest living relative.
Spirulina Powder comes from a blue green algae. Remaining virtually unchanged for 3.6 billion years, it is has one of the densest concentration of functional nutrients ever known in any food, plant, grain or herb. In fact it is so good for so many things it would fill several pages so here is a link to a top Spirulina web site where you can find everything you every wanted to know. www.spirulina.com
Our Spirulina is Human Grade to ensure quality, but is sold for animal use.