World Milk

Day: What Separates Skimmed Vs Whole Milk Is Simpler Than You Think

India’s Relationship With Milk

Dairy production in the Indian subcontinent has historical roots that go back 8,000 years to the domestication of zebu cattle, which is thought to have originated in India. By the beginning of the Indus Valley Civilisation, zebu cattle had been fully domesticated and used for their milk. The presence of cows and goats in excavation sites suggests that dairy may have been in use since at least the Harappan Civilisation (3300-1300 BCE). 

Given the country’s relationship with milk, World Milk Day should be celebrated with all things milk. In fact, if you go back to India's independence in 1947, post which milk consumption was promoted as a nutritious and strength-giving food. Today, that framing might not be as strong, but the cultural centrality of milk in Indian households, as the base for chai, desserts like rasgulla, kheer and rabri, and the sole ingredients from which paneer, curd, and ghee are made, remains ingrained.

The One Difference That Explains Everything

Strip away all the noise around milk types, and this is what you have: the difference between whole milk and skimmed milk is purely, simply, and entirely about fat. The primary differences are the fat content and caloric density, which can also result in taste differences. Each serving of milk (roughly 240ml) contains: 

• Whole milk (full fat) has 150 calories, 8 grams total fat and 5g saturated fat

• Nonfat milk (skim) has 80 calories and 0g total fat. 

There are no other nutritional differences between the two. The protein, calcium, potassium, B vitamins, and carbohydrate content of both milks are nearly identical. What changes when fat is removed is the calorie count, the texture, and, crucially, the way certain nutrients behave in the body.

How Skimmed Milk Is Made

The name itself refers to the process of making this kind of milk, in which the cream is skimmed from the top, leaving skimmed milk. Left to stand, whole milk separates, with the fat globules being lighter than the watery portion, rising to the top as cream. Homemade and small dairies skim this cream off by hand, leaving a thinner, lower-fat milk below, perfect for making dishes for World Milk Day.

Modern and larger dairy farms use automated systems, particularly using centrifugal separation to produce skimmed milk. The milk is spun rapidly (around 6,000 revolutions per minute) so that the fat separates and can be sifted out. For skimmed milk, the fat content should be between 0.1% and 0.3%. The separated cream is used to make butter, clotted cream, or is reintroduced to produce semi-skimmed (approximately 1.5-1.7% fat) or standardised whole milk at a consistent fat level.

Nutritional Profile Of Whole Vs Skimmed Milk

Both milks start from the same source, but only one is processed to remove fat, which affects the calorie count and the fat itself, as well as the fat-soluble vitamins naturally present.

The one area where skimmed milk ranks higher, on paper, is calcium per serving. Due to its reduced fat content, skimmed milk may contain slightly higher levels of calcium per serving than whole milk.

Why Whole Milk Keeps You Fuller

It is the fat content that keeps you fuller. When fat is removed from skimmed milk, the lactose may be absorbed more rapidly, potentially leading to sharper insulin spikes in sensitive groups. While skim milk is lower in calories, the fat in whole milk can contribute to a greater feeling of fullness, or satiety. This can help you feel satisfied for longer after a meal, potentially reducing the urge to snack later. 

The combination of protein and fat in whole milk is powerful for curbing hunger, and it is hardly a surprise that it is used to make rich desserts like kheer and palada payasam. Despite the additional calories and fat provided by whole milk intake, there are claims that state that it is linked to lower body weight in adults, but findings to that are not substantial enough to support this claim.

Switching to skimmed milk is a good choice if you are looking for ways to get your daily nutrients and reduce fat intake. So you will reduce your calorie intake from milk by roughly 40-45%, but if that trade-off is offset by other foods, the net caloric benefit diminishes. The better choice is the one that fits your total daily diet.

What The Research Says About Fat And Heart Health

For decades, dietary guidelines instructed people to choose low-fat dairy to protect cardiovascular health. This is because back then it was promoted that whole milk contains saturated fat, saturated fat raises LDL cholesterol, and elevated LDL raises cardiovascular risk. But the research has since become considerably nuanced.

A 2018 study published in the European Journal of Clinical Nutrition compared whole milk (3.5% fat) with skimmed milk (0.1% fat) and their effects on blood lipids (responsible for building cells) in healthy adults. There were no major differences between the two kinds of milk in effects on total and LDL cholesterol, triacylglycerol, insulin, and blood glucose concentrations, all of which impact overall health. 

Another separate study published in the journal Nutrients in 2022 also supported this finding and added that dairy consumption is not associated with a higher risk of cardiovascular disease, despite milk having fat that is feared to pose risks to heart health. The review also has evidence suggesting that whole milk may raise HDL, or ‘good’ cholesterol, compared with skimmed milk.

Cooking With Whole Milk Vs Skimmed Milk

Both milks are good, and the fat is where their distinction lies, because the taste and texture of the resulting foods are quite different.

Using whole milk:

• Watery desserts (kheer, gelato, caramel custard): Whole milk is preferred in ice creams like gelato and custard desserts like caramel custard and panna cotta because their taste and texture rely on the fat in whole milk.

• White sauces and gravies: The fat content in milk adds richness and flavour in dishes like white sauce pasta and malai chicken gravy.

• Dairy products: Paneer, cheeses, butter, ghee, and yoghurt rely on whole milk to produce rich dairy products that skimmed milk cannot match in flavour.

• Tea: The fat in whole milk produces an incomparable flavour when boiled with CTC tea, making classics like cutting chai.

• Baked goods (cakes, muffins): Most bakeries that mass-produce bread and other baked goods use whole milk as the standard, and most online recipes, unless otherwise specified, assume you will use whole milk.

Using skimmed milk

• Protein shakes and smoothies: Drinks that have one rich element like bananas or peanut butter, that serve as the flavour base, can be made with skimmed milk. You can use it for either shakes or smoothies.

• Commercial baking (dinner rolls, plain loaves): Some bakeries use skim milk for mass-produced bread loaves, dinner rolls, or muffins for catering orders.

• Post-workout drinks: The slightly higher protein-to-calorie ratio of skimmed milk makes it a sought-after choice for calorie counters who cut out fats.

• Oatmeal and cereals: The lighter consistency pairs well with breakfast cereals, and the taste is barely noticeable.

• Coffee Foam: Whilst the thinner consistency of skimmed milk often makes it less useful in cooking, it's ideal for foaming, like for dalgona coffee and cappuccinos.

World Milk Day Special

No rulebook says whole milk is worse than skimmed milk or vice versa, and it all boils down to what your health goal might be. Whole milk has higher fat content, but it is not inherently bad for you unless you are cutting down on fat; then skimmed milk is your answer. Check your diet goals and daily requirements, then pick your milk.