How Healthy Is Full-Fat Dairy?
New dietary guidelines recommend 3 servings of full-fat dairy per day, but is that actually good for you? A nutritionist talks us through the research.
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The recent release of the 2025-2030 Dietary Guidelines for Americans has put whole milk front and center. This is the first time since 1980 (when the guidelines were initially released) that full-fat milk and dairy products are recommended. But does this mean that full-fat dairy, including whole milk, yogurt, and cheese are healthy options now? Here’s what the research says.
Past Recommendations
Since 1980, when the initial dietary guidelines were born — and even in 1977 when the McGovern report released its dietary goals — low and nonfat milk and dairy foods have been recommended. This was done to keep calories and saturated fat at bay, while still encourage people to reap the benefits of the 13 essential nutrients found in milk. Of these 13 essential nutrients, three have been found to be under consumed in the American diet: calcium, vitamin D, and potassium.
The New Recommendations
The new 2025-2030 Dietary Guidelines for Americans recommends 3 servings of dairy per day as part of a 2,000-calorie dietary pattern. The guidelines recommend full-fat dairy with no added sugars, indicating the avoidance of things like sweetened yogurt and flavored milks. As in previous iterations, these guidelines still recommend that saturated fat should be limited to 10% of total calories consumed per day.
Based on these new recommendations, is there research to back up the benefits of consuming whole milk and dairy foods? Further, can a well-balanced diet with 3 servings of full-fat dairy per day stay within the 10% saturated fat limits, especially when full-fat dairy products typically contain more saturated fat? You’ll find the answers to these questions below.
The Food Matrix
A food matrix refers to the relationships between the nutrient and non-nutrient components of foods, including vitamins, minerals, and bioactive components as well as physical structure, texture, and form (solid, gel or liquid). The food matrix concept is used to address how the relationships between nutrient and non-nutrient components impact digestion, absorption, and physiological functions important to your health.
Foods that have a food matrix include almonds and milk. In almonds, for example, a randomized control trial found that the way almonds were prepared affected the amount of calories available for absorption. The study found that the calories of whole, raw, roasted, and chopped almonds may be overestimated due to this matrix.
When it comes to full-fat milk and dairy foods, the dairy matrix plays a role. Cow milk fat contains over 400 types of fatty acids, including short-, medium-, and long-chain fatty acids ranging in length from four to 24 carbons. Only about 15 of the identified fatty acids are present at levels of 1% or higher, which underscores the intricate complexity of the fat composition of milk. There is also research that shows that eating primarily full-fat dairy in the diet can benefit cardiometabolic health, which is further explained below.
The Research
The Prospective Urban Rural Epidemiology (PURE) study is a large, epidemiological cohort study of people between the ages of 35 to 70 in 18 countries that were followed for an average of 7.4 years. Among these 135,335 participants, researchers developed a healthy diet score using data from their food frequency questionnaires. Researchers identified 6 food groups that were linked to health and longevity including: 2-3 daily servings of fruits, 2-3 daily servings of vegetables, 14 weekly servings of dairy, 7 weekly servings of nuts, 3-4 weekly serving of legumes, and 2-3 weekly servings of fish. The majority of the dairy servings per day were of full-fat dairy.
The Results
Researchers concluded that diets that included 14 servings of dairy per week (mainly whole milk dairy foods) were linked to reduced risk of cardiovascular disease (CVD), heart attack, stroke, and mortality. Specifically, the PURE Diet was linked to a 30% lower risk of death, 18% lower risk of cardiovascular disease, 19% lower risk of stroke, and 14% lower risk of heart attack.
Further, there is a large body of evidence published over the last two decades that indicates that total dairy consumption, whether full-fat or low-fat, does not increase risk for cardiovascular disease. A systematic review published in 2016, based on the meta-analysis of prospective cohort studies, concluded total dairy consumption was not associated with risk for cardiovascular disease. Further, a 2017 meta-analysis of 29 cohort studies with 938,465 participants reported no association between total dairy consumption, including high- and low-fat varieties, and coronary heart disease or cardiovascular disease.
What About Saturated Fat?
In past dietary guidelines, food modeling was used by the dietary guidelines advisory committee to see if what they recommend actually can be done in a person's diet. Whole fat dairy was used in this modeling, along with other fat options including reduced, low, and nonfat. Other foods that contain saturated fat within your diet also matter, so with careful planning, you can mix various types of fat levels in milk and still adhere to the maximum recommendation of 10% total calories from saturated fat.
Bottom Line: Full-fat dairy is just another choice in the dairy aisle, but it isn’t the only choice. The most important thing is to meet the daily recommendations of 3 servings of dairy every day to reap the benefits of the 13 essential nutrients you can get from 1 cup of milk. Mix and match your dairy fat levels to do what is best for you.
