Collagen ipuroteni yakakosha inopa chimiro uye tsigiro kunhengo dzakasiyana dzemuviri, kusanganisira ganda, mapfupa, tendon, uye ligaments.Sezvo isu tichikura, kugadzirwa kwe collagen kunodzikira, zvichitungamira kumakwinya, ganda rinodonha, uye kuoma kwemajoini.