Kieran Bird, Emily Large, Jacob Peters and coach David McNulty of British Swimming outline their training strategies and the supplements they use to help.
Watch Team GB Olympian Max Litchfield talk about how important nutrition is to his performance, and the challenges he faces when travelling and competing.
Winter illnesses can really get in the way of training and competition preparation, so what steps do British Swimming athletes take to stay well?
Watch British International Swimmer and Healthspan Ambassador Max Litchfield's home workout guide.
Sports Nutritionist Rob Hobson on how swimmers can best fuel their training and keep up their nutrient intake for optimum performance.