Building muscle requires fuel! Here is a good reference graph to assist. - Note: Best amino acids are BCAA (Branched-chain-amino-acids), L-glutamine, and make sure you are getting plenty of magnesium from your diet. (Unless you like getting cramps)
In my ABS workout plan has 10 exercises, I do each and every exercise with 3 sets and do 10 reps for every exercise set. I always focus on how I complete my exercise sets, because a right technique will help you to grow as muscle fast.