i think for most part we all agree it is impossible to gain muscle whilst having a calorie deficit. but my question is if you are carrying a fair amount of bodyfat (15%+) such as i am (21% roughly at moment) is it in fact possible to aquire muscle gains whilst losing fat down to a point of say 14%? my theory is that your body has access to large amounts of fat to provide energy for increases in muscle tissue! An australian website biologic labs.com.au seems to push this theory strongly, well worth a look at. interested in peoples thoughts and past results.