I-Collagen iyiphrotheni enikeza izicubu zomzimba ukwakheka kwazo, ukuqina, ukuqina, nokuthungwa kwazo. Itholakala emathanjeni, uqwanga, imisipha, nesikhumba.
Ukudla okunamaprotheni amaningi kuthuthukisa ukukhiqizwa kwe-collagen, okuhlanganisa inyama, inhlanzi, amaqanda, nobisi. I-Collagen nayo idinga izakhamzimba ezifana novithamini C (otholakala kumajikijolo, imifino enamaqabunga, notamatisi) kanye ne-zinc.