Collagen ipuroteni inopa matishu emuviri chimiro, kusimba, kusimba, uye magadzirirwo. Inowanikwa mumapfupa, cartilage, tendon, uye ganda.
Zvokudya zvine mapuroteni akawanda zvinosimudzira kugadzirwa kwe collagen, kusanganisira nyama, hove, mazai, uye mukaka. Collagen inodawo kudya kunovaka muviri kwakaita sevhitamini C (inowanikwa mumichero, mashizha emashizha, uye matomatisi) uye zinc.