LIPIDS: Fats, Oils, Phospholipids & Sterols
Triglycerides are the main fats in your diet and in your body; in fact, about 95% of all lipids are triglycerides.
Phospholipids - such as lecithin act as emulsifiers; choline is part of lecithin
Sterols - cholesterol is the best known; bile is made from cholesterol; vitamin D is also a sterol