Types of Dairy Milk Explained: Full Cream, Light, Skim and a2 Milk®

Different types of dairy milk

Dairy, or cow’s milk comes in a range of varieties to suit dietary needs and preferences. While all dairy milk naturally contains key nutrients such as protein, calcium, and vitamins, the main differences between types usually relate to fat content, lactose content, and, in some cases, protein composition.

Below, we’ll provide detail about different types of milk to help you understand what sets them apart.

Full cream milk

Full cream milk, sometimes called whole milk, contains all of its natural milk fat. In Australia, this is typically around 3.5 to 4% fat. Because none of the cream has been removed, it has a richer flavour and smooth, creamy texture compared to reduced-fat varieties.

• Calories and nutrients: The higher fat content means full cream milk contains more calories per serve than light or no fat milk. It still naturally provides key nutrients such as protein, calcium and vitamins.
• Best uses: Full cream milk is a popular choice for families, growing children, and those who prefer a fuller taste. It is also often considered one of the best types of milk for frothing.
• Cooking suitability: In the kitchen, full cream milk works well in cooking and baking, adding richness to sauces, soups, custards and desserts where texture and flavour are important.

Light (reduced-fat) milk

Light milk, also known as reduced-fat milk, has had some of its natural milk fat removed. It typically contains around 1 to 2% fat, placing it between full cream and no fat milk in terms of richness and texture. It has a lighter taste and slightly thinner consistency than full cream milk.

• Calories and nutrients: Because some of the fat has been removed, light milk contains fewer calories per serve than full cream milk. It still naturally provides protein, calcium, and vitamins.
• Best uses: Light milk suits those who want a balance between flavour and reduced fat intake. It works well for everyday drinking, cereal, and tea or coffee.
• Cooking suitability: In cooking and baking, light milk can be used in most recipes that call for milk to achieve a lighter result. But keep in mind, it may produce a slightly less rich finish than full cream milk in sauces or desserts.

No fat and skim milk

No fat milk, or skim milk, has had almost all of its natural milk fat removed and typically contains around 0.1% fat. This gives it a lighter taste, a thinner consistency, and a clean, refreshing taste. While it is less creamy in texture, it still retains the core nutritional components of dairy milk.

• Calories and nutrients: With virtually no fat, skim milk is among the lowest-calorie dairy milk options. Despite the minimal fat content, it still naturally provides comparable levels of protein and calcium as other types of cow's milk, along with vitamins.
• Best uses: No fat milk suits those looking to minimise fat and calorie intake while still enjoying nutritional benefits of dairy. It works well in smoothies, cereal, and hot drinks, though it produces a lighter foam when frothing.
• Cooking suitability: No fat milk can be used in cooking and baking, particularly where richness isn't essential. In creamy sauces or desserts, expect a thinner texture and less body compared to higher-fat milks.

Lactose free full cream milk

Lactose free full cream milk is regular full cream milk that has had the lactose broken down into simpler sugars. This is done by adding the enzyme lactase, which helps make the milk easier to digest for people who are lactose intolerant. It still contains all of its natural milk fat, typically around 3.5 to 4%.

• Calories and nutrients: Lactose free full cream milk contains a similar number of calories to regular full cream milk, as the fat content is unchanged. It also naturally provides protein, calcium and vitamins. The breakdown of lactose can make the milk taste slightly sweeter, even though no sugar has been added.
• Best uses: This option suits people with lactose intolerance who still prefer the flavour and mouthfeel of full cream milk.
• Cooking suitability: Lactose free full cream milk can be used in cooking and baking in the same way as regular full cream milk.

Lactose free light milk

This is reduced-fat milk that has had the lactose broken down using the enzyme lactase. Like regular light milk, it typically contains around 1 to 2% fat, offering a lighter texture than full cream while still retaining some creaminess. The removal of lactose does not change the fat content, but it can give the milk a slightly sweeter taste.

• Calories and nutrients: Because the fat level is reduced, lactose free light milk contains fewer calories per serve than full cream varieties. It still naturally provides protein, calcium and vitamins.
• Best uses: This type of milk suits people with lactose intolerance who prefer a lighter taste and reduced fat intake.
• Cooking suitability: Lactose free light milk can generally be used in the same way as regular light milk in cooking and baking.

a2 Milk®

a2 Milk® is a brand of A1 protein free milk. A1 protein free milk is cow’s milk that contains only the A2-type beta-casein protein and no A1 protein. While all milk contains naturally occurring proteins, there are different types of beta-casein. Some people who experience discomfort after drinking ordinary milk might find that a2 Milk® is easier on their digestion.*

*a2 Milk® is naturally A1 protein free, so it may be easier on digestion than ordinary milk for some milk-intolerant individuals, when consumed as part of a healthy varied diet.

• Calories and nutrients: The calorie content of a2 Milk® depends on whether you choose full cream, light, no fat or another variety like lactose free variants. Like other cow’s milk, it naturally provides protein, calcium and vitamins.
• Best uses: a2 Milk® can be used in the same way as regular milk, whether poured over cereal, added to tea or coffee, blended into smoothies, or enjoyed on its own.
• Cooking suitability: a2 Milk® performs just like regular milk in cooking and baking, delivering similar texture and flavour depending on the fat level selected.

These are the varieties of fresh a2 Milk® available in Australia:

• a2 Milk® Full Cream
• a2 Milk® Light
• a2 Milk® No Fat
• a2 Milk® Lactose Free Full Cream
• a2 Milk® Lactose Free Light

Organic

Organic milk comes from cows that are raised according to certified organic farming standards. This generally means the cows graze on organic pasture, are not treated with synthetic pesticides or fertilisers in their feed, and are managed without routine use of antibiotics or growth hormones.

• Calories and nutrients: The calorie and nutrient content of organic milk is similar to non-organic milk of the same fat level. It naturally provides protein, calcium and vitamins.
• Best uses: Organic milk may appeal to those who prioritise organic production methods or environmental considerations. It can be enjoyed in the same way as other types of cow’s milk.
• Cooking suitability: Organic milk can be used interchangeably with conventional milk in cooking and baking, delivering comparable flavour and texture depending on the fat content chosen.

What type of cow’s milk is best to drink?

If you’re wondering what’s the healthiest type of milk to drink, there isn’t one single type of cow’s milk that is “best” for everyone. Instead, your choice will depend on your own needs and preferences. Factors such as calorie requirements, fat intake considerations, digestive comfort, and taste preference all play a role.

For many people, the fat content of the milk is the most important aspect. The lightest choice is no fat milk, since most of the fat has been removed. Light (reduced-fat) milk offers a balance between lower fat content and a creamier texture, which may suit those wanting moderation without sacrificing flavour. Full cream milk, with its higher natural fat content, may be more suitable for people with higher energy needs or those who prefer a richer taste.

For individuals who feel discomfort after drinking regular milk, some choose A1 protein free milk, with or without lactose. Ultimately, the best milk for you is one that aligns with your nutritional needs and that you enjoy drinking regularly.

What type of cow’s milk is best to cook with?

The best type of milk for cooking depends on the recipe and the result you’re trying to achieve. Fat content plays an important role in texture, flavour, and stability.

• Full cream milk: Generally considered the best option for cooking. Its natural fat content helps create a richer flavour and smoother texture in sauces, soups, custards, and baked goods. The fat also improves stability, reducing the likelihood of curdling in certain dishes.
• Light (reduced-fat) milk: Can work well in lower-fat recipes or everyday cooking. While it may not deliver the same richness as full cream milk, it can still provide good results in many sauces and baked items. Light milk may even be preferable in some recipes with delicate flavours to avoid these being overpowered.
• No fat milk: Suitable where minimal energy and fat is preferred, but it may produce thinner sauces and less creamy textures in desserts and savoury dishes.

Want to know what’s the best type of milk for frothing? Full cream milk usually performs best for cappuccinos and lattes, as the fat helps create a silkier and more stable foam.

What type of cow’s milk is healthiest?

There is no single “healthiest” type of cow’s milk for everyone. The right choice depends on your individual health goals, dietary preferences and overall nutritional needs.

Different types of milk may suit different people:

• No fat, or skim milk: Lowest in calories and saturated fat, which may suit those aiming to reduce overall energy or fat intake.
• Light (reduced-fat) milk: A moderate option that offers some creaminess with less fat than full cream.
• Full cream milk: Contains more natural fat and energy, which may be suitable for growing children or individuals with higher energy requirements.
• a2 Milk®: May be suitable for people who are sensitive to the A1 protein and experience discomfort with ordinary milk.
• Lactose Free: Nutritionally comparable to regular cow's milk in protein, calcium and other nutrients, with the lactose broken down into simpler sugars. A suitable option for those with lactose intolerance who still want the benefits of dairy.

Importantly, all types of dairy milk naturally provide protein, calcium, and nutrients that support overall health. The healthiest option is one that complements your dietary pattern and that you enjoy consuming as part of a balanced diet.

Nutrition comparison: Calories and protein

When comparing cow’s milk options, the main nutritional difference usually comes down to fat content. Because fat contributes additional energy, skim and no fat milk generally contain the lowest calories per serve, while full cream milk typically contains the highest.

Protein content, however, is naturally similar across most types of dairy milk. This is because the protein component of milk remains largely unchanged when fat is reduced.

The table below provides a general comparison of calories and protein per 250ml serve.

*Values are approximate and may vary slightly between brands.

Choosing the right milk for your needs

The right milk for you will depend on your lifestyle and taste preferences. Here are the key factors to consider:

• Health goals: Skim and no fat milk generally contain the lowest calories, while full cream milk contains more natural fat and energy. Light milk offers a balanced option.
• Protein needs: Protein levels are naturally similar across most types of cow’s milk, including full cream, light, skim, lactose free and a2 Milk®.
• Cooking and frothing performance: Full cream milk typically creates richer sauces and silkier foam, while reduced-fat options may produce a lighter texture.
• Digestion: Lactose free milk may suit those with lactose intolerance. Some people who experience discomfort with regular milk may prefer milk containing only A2-type beta-casein protein and no A1 protein, with or without lactose.
• Personal taste: Texture and flavour vary, from the richness of full cream to the lighter feel of skim.

Always check the nutrition information panel to compare products, and speak with a qualified healthcare professional if you have specific dietary concerns.

The a2 Milk Company offers many options to help everyone feel their best. Explore the full range of a2 Milk® products to find the best dairy milk for you and your family.