Here are some muscle mass gaining tips :-a) Eat and Eat - To build muscles, you must eat. Your Alpha XTRM calorie consumption must be more than your calorie exenditure. If you expand all the calories you have eaten, then where are the calories to build muscles? 2) Protein - Make sure that you eat enough protein. You should eat at least one gram of protein per pound of your body weight everyday if you want to gain muscle mass fast. If you don't get enough protein, your muscles won't grow big.3) Supplement - http://www.supplements4help.com/alpha-xtrm-scam/