Milk and the Keto Diet: What You Need to Know

Regular milk is unsuitable for a keto diet due to its high carb content from lactose. Alternatives like coconut, almond, and macadamia milk offer low-carbohydrate options. Heavy cream and Fairlife milk provide additional dairy options. These alternatives allow keto followers to enjoy creamy beverages and recipes without disrupting ketosis.

non dairy milk substitutes

Can You Have Milk on a Keto Diet?

Milk is a staple in many diets, but when it comes to keto, it can be a bit tricky. Traditional dairy milk contains lactose, a natural sugar that can add up quickly and kick you out of ketosis. But don’t worry—there are plenty of low-carb alternatives that can give you the creamy texture and taste you love without the carbs.

Why Regular Milk Isn’t Keto-Friendly

A cup of whole milk contains:

• 12g of carbs (from lactose)

• 8g of fat

• 8g of protein

Since many keto dieters aim to keep their daily carb intake between 20-50g, a single glass of milk can use up a significant portion of that limit. Even reduced-fat and skim milk contain just as many carbs, making them poor choices for a strict keto diet.

Keto-Friendly Milk Alternatives

🥥 Coconut Milk (Best for Creamy Texture)

• Net Carbs (per cup): ~1g (unsweetened)

• Why It Works: Thick, creamy, and naturally high in fats—great for coffee, smoothies, or keto baking.

🥜 Almond Milk (Most Popular Choice)

• Net Carbs (per cup): ~1g (unsweetened)

• Why It Works: Mild, slightly nutty flavor with a low-carb profile. Works well in coffee and shakes.

🥛 Macadamia Milk (Ultra-Low Carb)

• Net Carbs (per cup): ~0.5g

• Why It Works: Rich, smooth, and packed with healthy fats—ideal for keto lattes or cereals.

🌱 Hemp Milk (Dairy-Free & Nut-Free Option)

• Net Carbs (per cup): ~1g

• Why It Works: Made from hemp seeds, it’s rich in omega-3 fatty acids and easy to digest.

🫘 Soy Milk (Use with Caution)

• Net Carbs (per cup): ~3g

• Why It Works: A higher protein content than other plant-based milks, but some keto followers avoid soy due to concerns about phytoestrogens.

🐄 Heavy Cream or Half & Half (Dairy-Based Keto Options)

• Net Carbs (per 2 tbsp of heavy cream): ~0.5g

• Why It Works: Ultra-low carb and high in fat—perfect for coffee, soups, and creamy sauces.

What About Lactose-Free or Fairlife Milk?

Lactose-free milk still contains just as many carbs as regular milk, since the lactose is broken down into simpler sugars. However, Fairlife milk is a better option, as it’s ultra-filtered and contains 50% fewer carbs than traditional milk.

Best Uses for Keto Milk Alternatives

• Coffee & Tea: Almond, macadamia, and coconut milk make great dairy-free creamers.

• Smoothies & Shakes: Coconut or macadamia milk blends well with protein powder and keto-friendly fruits.

• Baking & Cooking: Heavy cream is a great keto substitute for milk in recipes.

Bottom Line: What’s the Best Milk for Keto?

For the lowest carb option, macadamia milk, almond milk, and coconut milk are the best dairy-free choices. If you prefer dairy, heavy cream or Fairlife ultra-filtered milk can work in moderation.

By swapping out traditional milk for a low-carb alternative, you can still enjoy creamy, delicious drinks and recipes without breaking ketosis!

Note: be sure to read product ingredients. Some substitutes are loaded with fillers, seed oils, and gums. Brands like MALK have shorter ingredient lists, and do not contain gums, or seed oils.

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