46 year old American male software engineer of Ashkenazic descent. 5'8.5" tall, starting weight 310 pounds. Blogging about the lived experience of making peace with food, good nutrition, fun, sustainable exercise, and mindfulness.
On the subject of bullshit... look at the ingredients in some of these pre-workout mixes.
You would get the same effect with a cup of coffee and a mini snickers bar.
(I got the idea of the snickers bar from the 6-time winner of the CrossFit games)