let's see matt you never spent anytime in the gym you want a quick way to have bigger arms and chest, I see only one soloution get bicep ans chest implants. steroids will not even work if you don't know how to train or eat!
11 stone is 154 of your english lbs. Not to flame you mate but do as the guys here say, they know their shit, go away and spend 2 to 3 weeks reading every thread you can get your hands on, then come back and ask some well thought out q's. Youll give us brits on here a bad name. LOL