PURE HAWAIIAN SPIRULINA PACIFICA 500 MG., SPIRULINA IS A NATURAL DIETARY SUPPLEMENT FORMULATED TO SUPPORT A HEALTHY IMMUNE SYSTEM. MADE WITH NATURAL INGREDIENTS, THIS SUPPLEMENT IS PURE AND FREE OF UNNATURAL AND UNNECESSARY ADDITIVES. THIS PRODUCT IS GLUTEN-FREE, VEGAN FRIENDLY AND DOES NOT CONTAIN LACTOSE OR YEAST. EACH BOTTLE OF PURE HAWAIIAN SPIRULINA PACIFICA 500 MG., SPIRULINA WEIGHS 50 G.