This is a question asked by a website reader a few days ago, meaning collagen supplements, and the quick and simple answer is an unequivocal: no, collagen cannot make your bum, breast or other body area bigger. After several months of use (not days or weeks), hydrolysed collagen supplements: help firm up skin (especially hydrolysed collagen type I and III); partially help prevent cellulite; help protect your joints from wear and tear (especially…