Yes, it is good for digestion purpose. Moreover, it is also useful in washing the toxins from our body. It contains acids, amino acids and vitamins in it which helps in digestion. Most of the foods we eat makes toxic acid in our body which can be harmful for us. So, if we will eat food which is having vinegar, it will make the digestion process very easy as it contains acid in it which will not allow our body to make that toxic acid. It can also be applied on our hair, which will kill all the head lice.