Astaxanthin as a natural antioxidant, the most important function is to eliminate free radicals, improve the body's anti-aging ability.Can also protect eyes, square ultraviolet ray, relieve exercise fatigue.Mainly used in the field of health food and cosmetics, but also as poultry and aquatic feed and nutritional fortifier. Astaxanthin powder is often used for pressing tablets, tube capsules and other dosage forms.