Description

Yogurt is a dairy product made by fermenting milk with a yogurt culture. It provides protein and calcium, and it may enhance healthy gut bacteria. ... The culture ferments the lactose, the natural sugar found in milk. This produces lactic acid, which gives yogurt its distinctive flavor.
Health benefits range from protecting against osteoporosis to relieving irritable bowel disease and aiding digestion, but these depend on the type of yogurt consumed.
Added sugar and processing can make some yogurt products unhealthy.
Yogurt starts as fresh milk or cream. It is often first pasteurized, then fermented with various live bacteria cultures, and incubated at a specific temperature to encourage bacteria growth.
The culture ferments the lactose, the natural sugar found in milk. This produces lactic acid, which gives yogurt its distinctive flavor.