Collagen Fit is an unflavored collagen powder designed with the toughest competitors in mind. With collagen peptides that promote joint health and the growth of lean muscle mass, plus nicotinamide riboside (NR) for cellular energy and cellular repair, Thorne’s newest collagen formula keeps you moving from morning to night. The unflavored formula mixes easily in a hot or cold beverage, allowing you to get your collagen your way – in your coffee, your smoothie, or your own beverage creation.