Solgar Spirulina tablets are derived from 100% Hawaiian Spirulina and provide 65 - 70% protein with very high mineral content. Spirulina tablets provide a wide range of delicate phytonutrients with very significant health benefits. Phytonutrients include antioxidants known for giving fruits and vegetables their orange and yellow colours. Nutritionists recommend increasing our intake of phytonutrients to protect against the harmful effects of UV sunlight, pollution, and environmental stress.