Health . United Kingdom . 21 days agoThird of weight loss from injections is actually muscle and bone - not fatMirror onlinewww.mirror.co.ukfacebooktwitterlinkedininstagramWeight loss injector pen - but the jab isn't just shifting fat(Image: PA) Almost a third of pounds shed from blockbuster weight loss jabs is actually muscle and bone density, a study has shown. Expert Read Full Story