
My cousin emails me this question: "What can you tell me about spirulina powder?"
Spirulina is a type of blue-green algae (actually a microalgae!) which is known to be very nutritious: packed with protein, essential fatty acids, minerals (including iron), vitamins (including B vitamins), healthy pigments (including carotenoids and chlorophyll)... Though spirulina does have all these healthy nutrients, you'd have to eat a very large quantity to get a good dose. (Here's an in-depth review of spirulina.)
According to those who sell it, spirulina also is said to be a tonic helpful in dealing with all sorts of ailments: viruses, cancer, high cholesterol, anemia, arthritis, poor immune system, malnutrition, diabetes, weight-loss...