One of the most common new fitness trends is eating a mysterious blue-green algae called “spirulina.” Trendy fitness magazines and celebrities hail it as a top-secret “superfood” you take as a supplement or powder. However, are any of these claims actually based on real, scientific evidence? Or is spirulina as dubious as a health product shamelessly advertised by the Kardashians on Instagram? Below we sort out the fact and fiction by delving into the high-quality that shows how spirulina might ...