English: Spirulina (dietary supplement) powder made from cyanobacteria genus Arthrospira. (Photo credit: Wikipedia) A friend of mine asked me a few weeks ago "why is spirulina so good for you?". I replied "I'm not sure - what is it?", to which he responded, "it's green powder that my wife puts in my smoothie." At first I thought - That's gross! And I'm not a fan of powdered versions of anything. But I needed to check into the facts to see what I could find out. Here's what … [Read more...]