Theobromine can be found in a number of different chocolate products like cocoa and other dark chocolates. Theobromine belongs to a group of chemicals known as methylxanthines and is often associated with increasing energy, mental alertness, and promoting good cardiovascular health. There are also a number of benefits that can be helpful to athletes like body builders and weight lifters. This includes increasing nitric oxide synthesis, and acting as a natural diuretic. Theobromine may also help to increase your mood and overall positive mental outlook.