Vitamin B3, also known as niacin, is one of eight B vitamins. It plays a role in converting the food we eat into energy. It helps the body to use proteins and fats, and it keep the skin, hair, and nervous system healthy.
Five months to six months. Your baby will be able to sit well with support, holding her head up and her back straight (Sheridan 2008) . Your baby may be able to sit for a moment without your help.Just make sure you stay nearby to provide support, or surround her with pillows to cushion a possible fall.he muscles she needs to use develop gradually from birth, and she finally becomes strong enough to sit between four months and seven months. By the time your baby is eight months old, she should be able to sit well without support (NHS 2013, Sheridan 2008) .
Q: When will my baby start sitting up? A: Your baby will probably master the skill of sitting up unassisted between 5 and 6 months. It's a slow process -- in order to sit up, your baby has to tackle a number of physical feats, including holding his neck steady and having control over his shoulders, lower back, and legs.