Which of the following statements are correct regarding probiotics?
i. Probiotics restore bacteria present in the intestine.
ii. Probiotics cause different diseases.
iii. Probiotics improve our immunity.
iv. Probiotics can be taken along with food.
Probiotics replenish good bacteria present in the human intestine. These bacteria help us in resisting harmful infections by improving our immunity. Probiotics can be taken along with food which are specially prepared using cultures of probiotic bacteria.