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6 Dairy Foods Naturally Low in Lactose

Health + Wellness
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By Helen West

People with lactose intolerance often avoid eating dairy products.

This is usually because they are concerned that dairy may cause unwanted and potentially embarrassing side effects.

However, dairy foods are very nutritious and not all of them are high in lactose.

This article explores six dairy foods that are low in lactose.

What Is Lactose Intolerance?

Lactose intolerance is a very common digestive problem. In fact, it affects around 75 percent of the world's population (1).

Interestingly, it's most prevalent in Asia and South America, but much less common in parts of the Western world like North America, Europe and Australia (2).

Those who have it don't have enough of an enzyme called lactase. Produced in your gut, lactase is needed to break down lactose, the main sugar found in milk.

Without lactase, lactose can pass through your gut undigested and cause unpleasant symptoms like nausea, pain, gas, bloating and diarrhea (1).

Fear of developing these symptoms can lead people with this condition to avoid foods that contain lactose, such as dairy products.

However, this isn't always necessary, as not all dairy foods contain enough lactose to cause problems for people with an intolerance.

In fact, it's thought that many people with an intolerance can eat up to 12 grams of lactose at a time without experiencing any symptoms (3).

To put that in perspective, 12 grams is the amount found in 1 cup (230 ml) of milk.

Additionally, some dairy foods are naturally low in lactose. Below are six of them.

1. Butter

Butter is a very high-fat dairy product that's made by churning milk to separate its solid fat and liquid components.

The final product is around 80 percent fat, as the liquid part of milk, which contains all the lactose, is removed during processing (4).

This means that the lactose content of butter is really low. In fact, 3.5 ounces (100 grams) of butter contain only 0.1 grams (4).

Levels this low are unlikely to cause problems, even if you have an intolerance (1).

If you are concerned, it's worth knowing that butter made from fermented milk products and clarified butter contain even less lactose than regular butter.

So unless you have another reason to avoid butter, ditch the dairy-free spread.

Summary: Butter is a very high-fat dairy product that contains only trace amounts of lactose. This means it's usually fine to include in your diet if you have a lactose intolerance.

2. Hard Cheese

Cheese is made by adding bacteria to milk and then separating the cheese curds that form from the whey.

Given that the lactose in milk is found in the whey, a lot of it is removed when cheese is being made.

However, the amount found in cheese can vary and cheeses with the lowest amounts are the ones that have been aged the longest.

This is because the bacteria in cheese are able to break down some of the remaining lactose, lowering its content. The longer a cheese is aged, the more lactose is broken down by the bacteria in it (5).

This means that aged, hard cheeses are often very low in lactose. For example, 3.5 ounces (100 grams) of cheddar cheese contain only trace amounts of it (6).

Cheeses that are low in lactose include Parmesan, Swiss and cheddar. Moderate portions of these cheeses can often be tolerated by people with lactose intolerance (6, 7, 8, 9).

Cheeses that tend to be higher in lactose include cheese spreads, soft cheeses like Brie or Camembert, cottage cheese and mozzarella.

What's more, even some higher-lactose cheeses may not cause symptoms in small portions, as they tend to still contain less than 12 grams of lactose.

Summary: The amount of lactose can vary between different types of cheese. In general, cheeses that have been aged longer, such as cheddar, Parmesan and Swiss, have low levels.

3. Probiotic Yogurt

People with lactose intolerance often find yogurt much easier to digest than milk (10, 11, 12).

This is because most yogurts contain live bacteria that can help break down lactose, so you don't have as much to digest yourself (13, 14, 15).

For example, one study compared how well lactose was digested after drinking milk and consuming a probiotic yogurt (12).

It found that when people with lactose intolerance ate the yogurt, they were able to digest 66 percent more lactose than when they drank the milk.

The yogurt also caused fewer symptoms, with only 20 percent of people reporting digestive distress after eating the yogurt, compared to 80 percent after drinking the milk (10).

It's best to look for yogurts labeled "probiotic," which means they contain live cultures of bacteria. Yogurts that have been pasteurized, which kills the bacteria, may not be as well tolerated (10).

Additionally, full-fat and strained yogurts like Greek and Greek-style yogurt could be an even better choice for people with lactose intolerance.

This is because full-fat yogurts contain more fat and less whey than low-fat yogurts.

Greek and Greek-style yogurts are also lower in lactose because they are strained during processing. This removes even more of the whey, making them naturally much lower in lactose.

Summary: Lactose intolerant people often find yogurt much easier to digest than milk. The best yogurt for people with lactose intolerance is a full-fat, probiotic yogurt that contains live bacterial cultures.

4. Some Dairy Protein Powders

Choosing a protein powder can be tricky for those who are lactose intolerant.

This is because protein powders are usually made from the proteins in milk whey, which is the lactose-containing, liquid part of milk.

Whey protein is a popular choice for athletes, especially those who are trying to build muscle.

However, the amount found in whey protein powders can vary, depending on how the whey is processed. There are three main types of whey protein powder:

  • Whey concentrate: Contains around 79–80 percent protein and a small amount of lactose (16).
  • Whey isolate: Contains around 90 percent protein and less lactose than whey protein concentrate (17).
  • Whey hydrolysate: Contains a similar amount of lactose as whey concentrate, but some of the proteins in this powder have already been partially digested (18).

The best choice for lactose-sensitive individuals is probably whey isolate, which contains the lowest levels.

Nevertheless, the lactose content can vary considerably between brands and most people have to experiment to see which protein powder brand works best for them.

Summary: Diary protein powders have been processed to remove a lot of their lactose. However, whey protein concentrate contains more of it than whey isolates, which may be a better choice for sensitive individuals.

5. Kefir

Kefir is a fermented beverage that's traditionally made by adding "kefir grains" to animal milk (19).

Like yogurt, kefir grains contain live cultures of bacteria that help break down and digest the lactose in milk.

This means kefir may be better tolerated by people with lactose intolerance, when consumed in moderate quantities.

In fact, one study found that compared to milk, fermented dairy products like yogurt or kefir could reduce symptoms of intolerance by 54–71 percent (20).

Summary: Kefir is a fermented milk beverage. Like yogurt, the bacteria in kefir break down lactose, making it more digestible.

6. Heavy Cream

Cream is made by skimming off the fatty liquid that rises to the top of milk.

Different creams can have different amounts of fat, depending on the ratio of fat to milk in the product.

Heavy cream is a high-fat product that contains around 37 percent fat. This is a higher percentage than that of other creams like half and half and light cream (21).

It also contains almost no sugar, which means its lactose content is very low. In fact, a half ounce (15 ml) of heavy cream only contains around 0.5 grams.

Therefore, small amounts of heavy cream in your coffee or with your dessert shouldn't cause you any problems.

Summary: Heavy cream is a high-fat product that contains almost no lactose. Using small amounts of heavy cream should be tolerable for most people who are lactose intolerant.

The Bottom Line

Contrary to popular belief, it is not necessary for lactose-intolerant individuals to avoid all dairy products.

In fact, some dairy products—such as the six discussed in this article—are naturally low in lactose.

In moderate amounts, they're usually well tolerated by lactose-intolerant people.

Reposted with permission from our media associate Authority Nutrition.

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