I-Collagen yiprotheni ebalulekileyo ebonelela ngesakhiwo kunye nenkxaso kwiindawo ezahlukeneyo zomzimba, kubandakanywa ulusu, amathambo, i-tendon kunye nemigqa.Njengoko sikhula, imveliso ye-collagen iyehla, nto leyo ekhokelela kwimibimbi, ulusu olugobileyo, kunye nokuqina kwamalungu.