Arthrospira platensis is blue-green algae is plentiful in lakes and inland bodies of water that are warm and alkaline. For centuries, peoples have eaten spirulina and made it one of their major sources of protein. it’s also rich in vitamins, minerals, carotenoids, and antioxidants. The plant’s chemical makeup is 65% amino acids, including the essential fatty acid gamma linolenic acid (GLA). Studies have shown that spirulina helps boost the immune system and protect from allergic reactions. It has also been shown to help lower blood pressure, lower cholesterol, and reduce the risk of certain types of cancer.