Spirulina is a 100% alkaline and complete health food that contains all the 46 essential nutrients required by the human body. Spirulina, made from a blue green algae that works as a complete health food, By Nature Spirulina Powder contains all the 46 essential nutrients that are required by the human body for healthy functioning. The gluten-free green food contains protein and vitamin B12, both of which are nutrients that are usually found lacking in a vegetarian diet. The powder’s beta carotene content protects your cell from damage, while the presence of GLA (Gamma Linolenic Acid) will help to control cholesterol problems and prevent heart disease. It is also the source of several important phytonutrients such as carotenoids. The Spirulina Powder works as a dietary supplement when taken a teaspoon of this powder with water or vegetable juice in the morning, on in an empty stomach.