Spirulina is a blue microalgae that is a source of protein and fiber. An antioxidant, spirulina is also rich in iron, vit. A, K and B12. Recommended for all ages, this superfood is an essential asset in everyday life. It is a source of protein (about 60%), fiber and is rich in iron. Iron and vit. A and B12 contribute to the normal functioning of the immune system. Vitamin A contributes to the maintenance of normal vision. Vitamin K helps protect cells from oxidative stress. Volume: 100, 500 grams. Tags: pharmacy, Thai