Blue spirulina is 100% phycocyanin, which is extracted from green spirulina. This gives it an almost neutral to no taste at all + a more concentrated amount of antioxidants, vitamins, & minerals! Blue spirulina's purpose: ⋒ strengthens your dog’s immune system by stimulating red blood cell production ⋒ improves digestion + gastrointestinal health ⋒ reduces allergies ⋒ can help fight cancer cells and prevent cancer net weight 2 oz in recyclable jar