How to Make Coffee: The Science Behind the Bean

by Lani Kingston

metabolized into three compounds. Most of it turns into paraxanthine, which increases the breakdown of lipids in the bloodstream; a small amount becomes theobromine, which dilates blood vessels and increases the production of urine; and a tiny amount becomes theophylline, which relaxes smooth muscle (the kind found in the digestive tract and respiratory system).

liver releases glycogen.