 around the world that really back the benefits of astaxanthin by the way muscle output is better with astaxanthin too and this comes from astaxanthin research published in the international journal of sports nutrition november 2011 this was another study done with cyclists they took four milligrams of astaxanthin it was a small study but very positive showing that cyclists improved their trial time by two minutes in a 20 kilometer bike race i mean that's a meaningful improvement