Full-fat dairy safe, beneficial: U of T study
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- University of Toronto researchers led a 12-week study showing adults who consumed three daily servings of full-fat dairy had no significant changes in weight, body fat, cholesterol, or insulin resistance.
- Harvey Anderson's team found participants eating full-fat dairy experienced improved blood pressure and higher intake of calcium, protein, and vitamin D compared to those on a low-dairy diet.
- The Journal of Nutrition published findings from a trial with 74 adults with overweight or obesity, assigned to low-dairy, energy-neutral, or unrestricted diets including three servings of full-fat dairy daily.
- Dairy matrix hypothesis is supported by the research, suggesting the physical structure of dairy—where proteins, fats, and nutrients interact—modulates how its components affect health differently than isolated saturated fat.
- Canada's food guide-aligned diets were followed in all groups, with full-fat dairy products supplied to participants in the two dairy-consuming arms of the study.
Why it matters: For older adults and others at risk of nutrient shortfalls, full-fat dairy could offer a practical way to increase protein and essential nutrients without raising diabetes or cardiovascular risks, challenging long-standing public health guidance shaped by isolated nutrient analysis. This shift toward whole-food evaluation may reshape dietary recommendations and ease unnecessary restrictions on nutrient-dense foods.
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