Collagen ndi gelatin zakhala zinthu zofunika kwambiri pamakampani azaumoyo ndi thanzi, odziwika chifukwa cha phindu lawo pakhungu, tsitsi, mafupa, ndi thanzi.Ngakhale kuti nthawi zambiri amatengedwa kuchokera ku ng'ombe ndi nkhumba, pali chidwi chochuluka pa njira zina zapanyanja ...
Werengani zambiri