Think of a pink food: salmon, shrimp, red trout… flamingos. Astaxanthin is a deep red, fat-soluble pigment widely found through nature, giving these fish (and birds) their 'gorgeous' hue. Astaxanthin is a powerful antioxidant and recent clinical trials have highlighted its potential in sports nutrition to enhance performance. Dr Mark Miller uses salmon, stressed algae and flamingos to explain almost everything there is to know about astaxanthin.