Green Super Food for Longevity. Immune Defense & Natural Antioxidant Protection. Earthrise Spirulina Natural promotes immune health and provides antioxidant benefits. Eat your Spirulina greens for good health! Supplement your intake of fruits and vegetables with 1 serving of Earthrise Spirulina a day - equivalent to 3-4 servings of common vegetables a day in terms of antioxidant content (B-Carotene). .