Hawaiian Spirulina is a blue-green microalgae, Arthrospira platenesis, which is grown naturally under the intense Hawaiian sun on the Big Island of Hawaii. It naturally contains protein, iron, beta carotene, minerals, vitamin B12, zeaxanthin, chlorophyll, and phycocyanin. One 3 gram serving has higher levels of some key antioxidants, enzymes, and minerals compared to 5 servings of fruits and vegetables. Ideal for vegans. · Nutrex Hawaii, founded in 1999, is the leading producer of natural microalgae supplements from Hawaii. Farm to Bottle, we control the cultivation, harvest and processing of our Hawaiian Spirulina and BioAstin Hawaiian Astaxanthin microalgae products. We are GMP (Good Manufacturing Practices) third-party certified. All of our products are pesticide and herbicide free, non-GMO, free of gluten, soy, lactose, and preservatives.