multi collagen pills (type i, ii, iii, v, x) hydrolyzed collagen peptides with hyaluronic acid + vitamin c | contains 5 types of food based collagen | non-gmo verified & gluten free sports research the sports research multi collagen complex dietary supplement is the perfect on-the-go option to supplement your collagen needs. sports research's newest formula combines 5 types of collagen plus vitamin c (an essential micronutrient vital in collagen synthesis) and hyaluronic acid (a component of skin and joint fluid) to give you the best results.