Kolagen na gelatine byahindutse ibintu byingenzi mubikorwa byubuzima n’ubuzima bwiza, bizwi cyane kubera inyungu zuruhu, umusatsi, ingingo, nubuzima muri rusange.Mugihe gakondo gikomoka ku nka ningurube, hari kwiyongera mubyifuzo bishingiye ku nyanja ...
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