"Brilliant! Is that a fact or your opinion? If that's the fact, quote the source, please. Thanks."
There are many sources, one is if you go to bodybuilding.com there are count less article on the subject.
You also need BCAA and Glutamine to build muscle. You have to remember that everybodys body is different and you need to find the right formula that works for you.
Hydroxycut hardcore is a good product but you have to eat clean and workout on a regular basis to see the effects. You take Hydroxycut per body weight, so a 200 pound man will take about 3 to 4 a day and a 120 pound woman will take 1 to 2 a day.