Earthrise - Spirulina Powder - 3.2 oz. (90g) Earthrise Spirulina Powder is a concentrated source of antioxidants and total carotenoids including phycocyanin which helps protect the body from damaging effects of free radicals. Earthrise Spirulina Powder is a more than 60% easy-to-digest all-vegetable protein. Earthrise Spirulina Powder contains a rare food source of the essential fatty acid GLA as well as easy-to-absorb iron.