wasn't asking for sources brutha, just asking for who it's made by. if the source is making it himself, then i see your point. otherwise, there should be some sort of company name on there somewhere and i was guessing schering. anyhoo.....
if 5% is how much you get out of it, then no. injectables or a well-made transdermal (like t-gel for instance where supposedly you absorb ~35-45%) are the only options IMO.