Certified OrganicSuper GreenDouble StrengthKosherUSDA OrganicA Dietary SupplementVegetarian/Vegan Non-GMO Project Verified Botanicals/HerbsFamily Owned Since 1968Certified Organic by QAIHalalGMP Quality AssuredNOW® Spirulina delivers the natural nutrient profile found in genuine whole foods.Spirulina is a blue-green microalgae that has naturally occurring nutrients such as vitamins, minerals and GLA (gamma-linolenic acid). This double strength product has twice the spirulina (1,000 mg per tablet) as in our regular strength product (500 mg per tablet).