How to gain muscle fast?

i need to gain muscle fast…WITH OUT STEROIDS!!!

i play basketball

and i lift waits every other night and do sit ups every other night if that helps…

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Answer:
the key ingredient to gaining muscle mass is to add lots of PROTEIN to your daily diet. you should have 1.0-1.5 grams of protein for each pound you weigh. protein helps your body to build lean muscle after your workout. Talking of workout, i would begin with simple toning exercises(low weight/more reps) to get your muscles used to being worked. after about 2 weeks you can go to the strengthening exercises(high weight/low reps). this will break down your muscles fast, and with all the protein in your diet, when they heal it will be solid lean muscle mass.

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Answer:
you need lots of protien.