 Well, the research here is really clear. Astaxanthin is a molecule that fuels healthy performance, energy, stamina, strength. That's what we see in nature and that's what we see in humans too. It's like if you're getting older and you want an edge for strength, for energy, for youthful skin, to fight wrinkles from the inside out, but also to promote endurance and healthy vision, this is what you take. You take this AstaFX formula with a clinical dose of the right type of astaxanthin and you really feel it.