Spirulina, which is said to be the first protein source on earth, refers to nutritious blue-green algae that have several health benefits! Some of these benefits include:- - It is rich in vitamins and minerals. It is also high in protein, a teaspoon has an entire 4g of protein! - It has powerful antioxidants which help prevent and reduce cell damage (the powerful antioxidant phycocyanin which is also highly anti-inflammatory is what gives blue spirulina that bright blue color). - Spirulina has been used to treat allergies, including allergic rhinitis. - It has also been shown to contain compounds that help treat or prevent medical conditions such as diabetes, hyperlipidemia, and cancer. - It is also highly bioavailable, meaning our bodies absorb about 97% of what we ingest, compared to 5-25% bioavailability in most supplements. You can read more about the health benefits of spirulina here.