Date Posted:18:29:31 04/10/09 Fri
I've never had one myself, but most people say it is nothing. A few people complain of aching is all. It's only 1 cc.
As far as weight loss, it's useless. Your body will flush out any vitamins you don't need through your urine, except for fat soluble vitamins (A,D,E,K) which can build up in your body and cause toxicity.