What's inside yogurt, and where does it go in your body?
Milk fermented by bacteria that convert lactose to lactic acid — easier for many lactose-sensitive people.
Notable for
Protein, calcium, B12, riboflavin; live cultures in many products.
Sugar
Flavored yogurts can contain a lot of added sugar — check the label.
Evidence & sources
Plain low-fat yogurt is among the richest food sources of calcium. Evidence: established. Known: Listed in the NIH food-source table. Unknown: Flavored yogurts can contain much added sugar. Source: NIH Office of Dietary Supplements, Calcium Fact Sheet for Health Professionals (Current revision).