Neither skim nor whole milk is universally "better"; the best choice depends on your health goals, as skim milk has fewer calories and fat (good for weight management) but whole milk contains fat-soluble vitamins and might be more filling, though its saturated fat raises heart health concerns for some, with newer research questioning old guidelines, so consider low-fat (1% or 2%) as a balanced option.
Which is Better for Health? Reduced-fat milk and skim milk have fewer calories and higher amounts of vitamins than whole milk (thanks to fortification). They also have less saturated fat, which has been shown in studies to raise your "bad" cholesterol and put you at a higher risk for heart disease.
The healthiest milk depends on your needs: Cow's milk offers superior protein, calcium, and B12 but has lactose; Soy milk is the closest plant-based match in protein and is often fortified; Pea milk also offers high protein; Oat milk is creamy, good for cholesterol (beta-glucans), but lower in protein; while Almond milk is low-calorie but often lacks protein unless fortified. Always choose unsweetened and fortified versions for the best nutrition, checking labels for added sugars and essential nutrients like Calcium and Vitamin D.
The main thing is that skim milk contains lactose, a sugar, so drinking excessive amounts would be similar to drinking any sweetened beverage in terms of the stress on your blood sugar management system (pancreas, liver, etc.). It also may cause diarrhea, due to the hyperosmotic effect of the sugar in your colon.
I switched from full-fat milk to skimmed in the 1980s, amid fears that saturated fat could impact my heart health and my waistline. The trouble was, I found skimmed milk (which is about 0.3 per cent fat) so watery I couldn't stomach it, so chose semi-skimmed (1.6 per cent fat) instead.
As mentioned, recent evidence suggests that the benefits of incorporating whole milk into a balanced diet can 'include a lower risk of obesity and type 2 diabetes', and that contrary to older research, likely 'doesn't increase the risk of cardiovascular disease'.
The 2020-2025 dietary guidelines for Americans (DGA), recommend three servings per day of milk and dairy, including low fat and skim cow's milk dairy as part of a healthy dietary pattern.
Gen Z isn't drinking as much milk due to health concerns (lactose intolerance, acne), ethical/environmental worries about dairy farming, the influence of social media promoting alternatives, increased awareness of dairy's downsides, and a desire for healthier, more personalized options like plant-based milks, though they still enjoy other dairy products like cheese and yogurt. They question traditional health advice and are swayed by peer culture and eco-consciousness, leading them toward alternatives for taste, values, and lifestyle fit.
The 2015-2020 Dietary Guidelines for Americans and the American Heart Association both suggested consuming low fat or non-fat dairy products to reduce both calorie and saturated fat intake, which could improve heart health (2).
Dr. Gundry recommends unsweetened coconut milk or hemp milk as top plant-based choices, avoiding most nut milks like almond/oat due to lectins; if dairy, he suggests A2 dairy (goat, sheep, or A2 cow milk) from specific breeds, or fermented dairy, emphasizing fermented sheep yogurt, and lists specific brands like Pacific Foods Hemp on his site.
Choosing a lactose-free milk is essential for individuals with lactose intolerance and IBS. Almost all alternative milk choices are lactose-free. Dairy-free milk is ideal for gut health for individuals sensitive to or allergic to cow's milk. These include unsweetened almond milk, coconut milk, and hemp milk.
Which milk is best for weight loss?
“Whole milk's balanced composition of nutrients, fats, and proteins may provide benefits that reduced-fat milks do not fully replicate,” nutrition expert Lauren Manaker, MS, RDN, told Health.
Whole milk contains high amounts of saturated fat, and research has found that saturated fat raises cholesterol and is linked to an increased risk of cardiovascular problems. But the Trump Administration—and some scientists—disagree with this assessment.
In fact, many people claim that their health only improved after they cut milk from their lives. And it's not just an improvement in digestion that people have noticed; many say that their acne, sinus allergies, chronic fatigue, brain fog, and general inflammation were vastly improved after saying “no” to milk.
Boys are more likely to drink milk than girls, who in turn are more likely to drink a juice (Park & Bae, 1999). However, relatively little is known about the effect of gender differences on beverage consumption patterns in elementary school children.
Gen Z And The Sober Curious Movement
One study found that 34% of people in the Gen Z age group are making an effort to drink less, while 45% say they've never had an alcoholic drink in their lives. In contrast, only 36% of the millennial generation admit to never experimenting with alcohol.
Recent evidence from nutritional epidemiology and intervention studies supports a protective role of nutrient-rich whole foods in skeletal muscle ageing(1). Milk is a whole food that, as part of a healthy diet throughout the life course, provides a combination of nutrients and non-nutrients beneficial for health(2).
Many individuals turn to skim milk when they are looking for a low-calorie alternative, but it can actually do the opposite compared to its counterparts. “Skim milk can in fact lead to overconsumption due to lack of satiety factor (as there is low-no fat),” says Dr.
According to the USDA's Dietary Guidelines for Americans, American Heart Association (AHA), and American Academy of Pediatrics (AAP), all recommend children ages two and older should shift to low-fat dairy products such as milk and yogurt.
However, a recent review concluded that consumption of milk, yogurt and cheese, irrespective of fat content, is “neutrally” associated with risk of cardiovascular disease, meaning that neither whole fat nor low-fat dairy raises your chance of heart attack or stroke more when compared with other foods.
Milk can also play a role in the management of abdominal fat. Research suggests non-fat milk helps reduce belly fat, while whole-fat milk does not have the same beneficial effect.
For older children and adults, it's a good idea to go for lower-fat milks because having too much saturated fat in your diet can lead to high cholesterol. If you're trying to cut down on fat, try swapping to 1% fat or skimmed milk, as these still contain the important nutritional benefits of milk, but are lower in fat.