Twelve Reasons Why You Should Consider Adding This Powerhouse Antioxidant to Your Supplements. In reviewing the top 12 Astaxanthin benefits, it is helpful to first understand what astaxanthin is. The role of this substance in nutrition and in the digestive process is undeniable. The substance is one of the phytochemicals known as carotenoids. In the natural form, it is a lipid … [Read more...]