Fats belong to a group of substances called lipids.
Fats come in liquid or solid form.
All fats are combinations of saturated and unsaturated fatty acids. Fats can be called very saturated or very unsaturated depending on their proportions. Fat provides 9 Calories per gram, more than twice the number provided by carbohydrates or protein. Fat is essential for the proper functioning of the body. Linoleic acid is the most important essential fatty acid, especially for the growth and development of infants.