🔍
Milk types

What are the nutritional differences between lactose-free milk and regular milk?

Quick answer

In the USDA FoodData Central entries we opened, lactose-free whole milk and regular whole milk are close: about 3.3 g protein, 60 to 67 kcal and 117 to 127 mg calcium per 100 g. The NIDDK (US National Institutes of Health) says lactose-free and lactose-reduced milk are just as healthy as regular milk.

Free download

Milk and Dairy Storage Chart (PDF): How long milk, plant milks, cream, yogurt and kefir last, opened and unopened. 23 rows, each with its source.

We use your email only for this download and, if you tick the box, to tell you about the pack. No spam. We do not sell it. Delete it any time: contact@drinkstype.com. Privacy policy

Thank you

Your chart is ready

Download the PDF

We use your email only for this download.
In this article
  1. Does lactose-free milk have protein?
  2. Lactose-free vs regular milk: the numbers
  3. Is lactose-free milk healthier or better?
  4. What should you check on the label?

Does lactose-free milk have protein?

Yes. The USDA branded entries for lactose-free whole milk that we opened list 3.33 g protein per 100 g. USDA’s entry for regular whole milk (3.25% milkfat, Foundation data) lists 3.27 g per 100 g.

Lactose-free vs regular milk: the numbers

Per 100 g Regular whole milk (USDA Foundation) Lactose-free whole milk (USDA branded entries)
Energy 60 kcal 62 to 67 kcal
Protein 3.27 g 3.33 g
Fat 3.2 g 3.33 to 3.75 g
Carbohydrate 4.63 g 5.0 to 5.42 g
Calcium 123 mg 117 to 127 mg

The lactose-free figures are ranges across six branded entries, so they depend on the brand. Check the label of the product you buy. We found no official source we opened that explains why the carbohydrate figure is slightly higher in the lactose-free entries.

Is lactose-free milk healthier or better?

The NIDDK states that lactose-free and lactose-reduced milk and milk products “are just as healthy for you as regular milk and milk products.” So the main difference is for people who cannot digest lactose comfortably, not the nutrition. It does not say that one is healthier than the other for people without lactose intolerance.

What should you check on the label?

The NIDDK notes that milk is the most common source of calcium and that some milk products have added vitamin D, so look for both on the label. If you have symptoms or are unsure whether you are lactose intolerant, ask a doctor or dietitian.

People also ask

Does lactose free milk have protein?

Yes. The USDA branded entries for lactose-free whole milk that we opened list 3.33 g of protein per 100 g, about the same as the 3.27 g USDA lists for regular whole milk.

Is lactose free milk healthier than regular milk?

The NIDDK says lactose-free and lactose-reduced milk are just as healthy as regular milk. We found no official source saying it is healthier for people who tolerate lactose.

What's the difference between lactose free milk and regular milk?

In the USDA data we opened, calories, protein and calcium are close. The practical difference is that lactose-free milk is made for people with lactose intolerance, who often cannot tolerate regular milk.

General information only, not medical advice. If you have a health condition or are pregnant, ask your doctor before changing what you drink.

Sources

  1. NIDDK: Eating, Diet, & Nutrition for Lactose Intolerance, read 5 Nov 2026
  2. USDA FoodData Central: Milk, whole, 3.25% milkfat, with added vitamin D (FDC 746782) and branded LACTOSE FREE WHOLE MILK entries, read 5 Nov 2026
Written by Drinks Type Editorial Team · Published Jul 17, 2025 · Updated Nov 5, 2026
About · How we verify this · Editorial policy · Corrections

What would help you most next?

One tap. Anonymous. It helps us decide what to build.

More in Milk types

All Milk types ›
Milk types

What is the composition of human milk?

What are the main components of human milk? A study in Nutrition Research and Practice (2015) measured milk from 2,632 mothers of full-term infants.…

By Drinks Type Editorial Team · Updated Nov 2026