Neem leaf is used for leprosy, eye disorders, bloody nose, intestinal worms, stomach upset, loss of appetite, skin ulcers, diseases of the heart and blood vessels (cardiovascular disease), fever, diabetes, gum disease (gingivitis), and liver problems. The leaf is also used for birth control and to cause abortions.
Neem leaves have anti-bacterial properties which is why it works wonders on infections, burns and any kind of skin problems.
Neem leaves are excellent for your liver, which automatically enhances your digestion. Apart from this, consuming neem on a daily basis also destroys excess bacteria in the intestinal region and cleanses your colon, further facilitating a smoother digestion