You can find several systems and ideas here:
http://www.google.com/custom?hl=en&safe=active&client=pub-2977208566521185&channel=2025151480&cof=FORID%3A1%3BGL%3A1%3BLH%3A50%3BLW%3A217%3BLBGC%3ACCE5F9%3BBGC%3A%2399ccff%3BT%3A%23336699%3BLC%3A%23440066%3BVLC%3A%23d03500%3BGALT%3A%239A2C06%3BGFNT%3A%23223472%3BGIMP%3A%23223472%3BDIV%3A%2333FFFF%3B&sig=3K9kZkxvZOuM4S6Q&flav=0000&ie=ISO-8859-1&oe=ISO-8859-1&q=diet+for+weight+loss+muscle+building&btnG=Search
Mostly, however:
* gym (or any type of structured exercise)
* not protein so much as Magnesium, especially if you also need weight loss
* no carbonated drinks (soda, coke, etc.)
* lots of broccoli, spinach, whole wheat grains only