**5.7 Use of vitamin B3 in pregnancy**

Vitamin B₃ is a vital element of 2 enzymes in metastasis and tissue respiration [18]. It's concerned within the structure of hydrogen-carrying coenzymes similar to NAD and NADP. These molecules play a task in chemical reaction and reduction events in the body [14]. It's focused in the erythrocytes in the blood. It is often found in muscle and kidney tissue, particularly within the liver [28]. In studies, vitamin B₃ deficiency was seldom encountered, and it absolutely was disregarded that vitamin B₃ given to pregnant ladies in low or high amounts had any result [14]. As a results of the rise in estrogen throughout pregnancy, vitamin B₃ is synthesized so as to stay the hormones in restraint [12]. The daily dose that a pregnant girl ought to take is 18 mg. The most dose to be taken during pregnancy is decided as 35 mg [14].
