1) Strawberries

Strawberries contain Maleic acid which acts as a natural astringent that helps to break down the surface stains which eventually remove them.

2) Pineapple

It contains a natural enzyme that acts as a natural stain remover and so, in turn, helps to whiten your teeth. Pineapple is the only food that contains Bromelain. Bromelain is an effective ingredient found in many whitening toothpastes and it helps to whiten the teeth naturally.

3) Apples :

Apples are a rich source of fibre and by eating an apple it scrubs on the surface of the teeth and acts as a polishing agent. Apple contains maleic acid which helps in the secretion of saliva and helps to clean the teeth and to remove the stains from the teeth.

4) Onion and Garlic:

Onion and Garlic contain sulfur compounds. The function of sulphur and its compounds is that it helps in reducing the formation of bacteria in the oral cavity and hence lessens the chance of tooth decay. Bacterial colonies are the main reason behind the blackish discoloration of the tooth.

Now if these colonies are not formed the tooth doesn’t show any discoloration and hence appears white. The only trick is that you must take onion and garlic raw to get its maximum benefits.

5) Broccoli :

Broccoli contains iron which forms a barrier that protects the enamel of your teeth from acids