Evidence points to yogurt as a nutrient-dense part of healthy diets

Yogurt has been praised for its health benefits for centuries, from the belief of Mongol emperor Genghis Khan that it would grant his army strength, to modern scientific research. As people age, increasing protein intake and reducing chronic disease risk become important, and yogurt can aid in achieving these goals. However, yogurt is not without its contradictions.

Full-fat yogurt contains saturated fat, which has traditionally been linked to increased LDL cholesterol and cardiovascular disease risk. Yet, studies have shown that probiotic yogurt can lower total and LDL cholesterol in individuals with mildly to moderately elevated cholesterol levels, and frequent yogurt consumption is associated with better heart health.

Among those with high blood pressure, eating yogurt at least twice a week can reduce cardiovascular disease risk by 21% in men and 17% in women. This observation is known as the "food-matrix effect," where the health benefits of a food cannot be predicted solely by one nutrient, such as saturated fat. Observational studies, which are unable to establish causality due to confounding variables, complicate matters further.

The exact reasons behind yogurt's benefits and who can benefit most from it are not yet clear. For consumers in the grocery store, the confusion of various products with different protein, sugar, and fat contents is a reality. Rather than offering a definitive answer or precise serving size, yogurt can be viewed as a nutrient-dense component of a healthy dietary pattern.

This might include enjoying yogurt with fruit and whole grains for breakfast, using it as a snack alternative to highly processed or calorie-dense options, or incorporating it into savory dips and dressings. Despite ongoing research into the mechanisms behind yogurt's benefits and the various strains of bacteria, the goal remains personalized nutrition – finding the right type of yogurt, bacteria, and timing for each individual.