Hi i just received my order of Dymatize XPAND today - tropical punch - tastes yummy thats for sure but took it half an hour before workout like it says to do and about 20 minutes into workout yes i got massive pumps - my muscles looked huge - but then i couldnt life newhere near as much as i normally do - i was doin biceps/triceps if its of ne info to u but i lost nearly 10 lbs on my curls once the pump kicked in?? not normal yer? ne insight neone?