**4. Lipids**

Fats are organic compounds composed of fatty acids and glycerol. Fatty acids are named in step with the amount of carbon atoms in the molecule and also the number of double bonds between carbons. Those while not double bonds are referred to as saturated fatty acids, and those with double bonds are called unsaturated fatty acids [13]. Fats are necessary as a result of the surplus energy within the body is hold on as fat tissue. One gram of fat provides a median of nine calories of energy [13]. Fat demand varies betting on the energy requirement needed for correct weight gain. Roughly 20–30% of daily energy ought to be provided from fats [12]. Additionally to providing energy, fats modify the utilization of fat-soluble vitamins (A, D, E and K) in the body [12]. In addition, the intake of some fatty acids with food, that are enclosed within the composition of fats and do not seem to be created by the body, gains importance for growth and skin health [14]. Fats are necessary nutrients that offer essential fatty acids necessary for the event of the brain and central system of the fetus [12].
