Astaxanthin is a powerful natural carotenoid found in some marine organisms and plants, such as shrimp, crab, salmon and red algae. Astaxanthin is usually dark red or orange-red in color and has no noticeable odor.The main functions of Astaxanthin include: maintaining cardiovascular health; promoting visual health; a powerful antioxidant; anti-inflammatory and immune regulation; protection against UV radiation and light protection; relieving sports fatigue; whitening skin care; protecting the retina and central nervous system.Astaxanthin is a powerful antioxidant, with an antioxidant capacity far exceeding that of vitamin C, vitamin E, and other common antioxidants. It can effectively protect the skin from UV damage, slow down the aging process, and strengthen the immune system. Astaxanthin has the potential to be anti-inflammatory, improve vision, and support cardiovascular health. Due to its powerful antioxidant properties, Astaxanthin is widely used in nutritional supplements and functional foods. It is often added to skin care products such as skin creams and sunscreens to help slow down skin aging and protect the skin from environmental damage. In the field of sports nutrition, Astaxanthin is also used to improve athletic performance and shorten recovery time. In addition, Astaxanthin is also used as a feed additive to improve the nutritional value and health level of farmed fish and poultry.