Can You Become Lactose Intolerant? Learn How Age Factors In
Can you become lactose intolerant later in life? Yes.
Many people are born producing enough lactase, the enzyme that helps break down lactose, the natural sugar in milk. As people get older, their bodies may make less lactase, which can make dairy harder to digest for some adults. That is why someone who had no issues with dairy earlier in life may start noticing symptoms later.
Lactose intolerance is a digestive issue, not a milk allergy. It can cause symptoms like gas, bloating, cramping, and stomach discomfort after eating or drinking dairy foods. The good news is that becoming lactose intolerant does not always mean giving up dairy. Many people can still enjoy real dairy products by choosing options that are lower in lactose or lactose-free.
Key Takeaways: Becoming Lactose-Intolerant in Adulthood
You can become lactose intolerant as you get older.
Lactose intolerance occurs when the body does not produce enough lactase to break down lactose effectively.
It is a digestive issue, not a milk allergy.
Many people with lactose intolerance can still enjoy dairy.
Lactose-free milk, aged cheeses, and yogurt with live cultures are often easier to digest.
Can You Become Lactose Intolerant?
Yes. Many people become lactose intolerant over time because their bodies naturally produce less lactase with age. Lactase is the enzyme needed to break down lactose in milk and other dairy foods. When the body produces insufficient lactase, lactose can pass through the digestive system undigested, leading to discomfort.
This is one reason lactose intolerance can seem to appear suddenly in adulthood. In reality, the change may happen gradually, with symptoms becoming more noticeable over time.
What Causes Lactose Intolerance?
Lactose intolerance occurs when the body does not produce enough lactase to digest lactose. Lactose is the natural sugar found in milk and dairy foods.
For some people, this decrease in lactase is a normal part of aging. That does not mean dairy is automatically off the table. It simply means the type and amount of dairy that feels comfortable may change.
What Are the Symptoms of Lactose Intolerance?
Common symptoms of lactose intolerance include:
gas
bloating
stomach discomfort
cramping
These symptoms usually happen after eating or drinking foods that contain lactose. The level of discomfort can vary from person to person depending on how much lactose is consumed and how much lactase the body still produces.
Is Lactose Intolerance the Same as a Milk Allergy?
No. Lactose intolerance and a milk allergy are not the same.
Lactose intolerance is a digestive issue characterized by difficulty breaking down lactose. A milk allergy is an immune reaction to milk proteins and can be more serious. This distinction matters because people with lactose intolerance can often still enjoy certain dairy foods, while a person with a true milk allergy needs a very different approach.
Can People with Lactose Intolerance Still Have Dairy?
Yes, many people with lactose intolerance can still enjoy dairy. The key is choosing dairy foods that are naturally lower in lactose or made to be easier to digest.
This matters because dairy provides important nutrients like calcium, vitamin D, and protein. For many people, incorporating the right dairy foods into their routine can help them continue to enjoy the taste, convenience, and nutrition of real dairy.
What Dairy Foods Are Easier to Digest?
Some dairy foods are often easier for people with lactose intolerance to handle than others.
Lactose-Free Milk
Lactose-free milk is real dairy milk with the lactase enzyme added to break down the lactose. That makes it easier to digest while still providing the same dairy nutrition people expect from milk.
Aged Cheeses
Naturally aged cheeses such as Cheddar, Monterey Jack, Swiss, and provolone are often very low in lactose or lactose-free. These cheeses are commonly easier to digest for people with lactose intolerance.
Yogurt with Live Cultures
Yogurt, including Greek yogurt, can also be a good option because the live active cultures help digest some of the lactose. That is one reason yogurt works well for many people who are lactose-sensitive.
Do You Have to Give Up Dairy If You Become Lactose Intolerant?
No. Becoming lactose intolerant does not automatically mean giving up dairy completely.
Many people do well with lactose-free milk, aged cheeses, and yogurt with live cultures. Choosing the right dairy foods can make a big difference and may allow you to continue enjoying dairy in a way that feels better for your body.
Other Common Questions on Becoming Lactose Intolerant
Q: Can you become lactose intolerant later in life?
A: Yes. Many people become lactose intolerant as they age and produce less lactase.
Q: Can you still eat dairy if you are lactose intolerant?
A: Yes. Many people can still enjoy lactose-free milk, aged cheeses, and yogurt with live cultures.
Q: Is lactose-free milk real milk?
A: Yes. Lactose-free milk is real dairy milk with the lactase enzyme added to break down lactose.
Q: What cheeses are usually easier to digest?
A: Naturally aged cheeses like Cheddar, Monterey Jack, Swiss, and provolone are often easier to digest.
Q: Is yogurt a good option for lactose intolerance?
A: Yes. Yogurt with live active cultures is often easier to digest for many people with lactose intolerance.
Yes, you can become lactose intolerant as you age. This usually happens because the body produces less lactase over time, making lactose harder to digest. Even so, many people with lactose intolerance can still enjoy dairy by choosing options like lactose-free milk, aged cheeses, and yogurt with live cultures.
If dairy has started bothering your stomach, the answer may not be to cut it out completely. It may simply be time to choose dairy differently. Find the dairy foods that work for you and keep enjoying real dairy with more comfort and confidence.
Rachel Brandeis has been a registered dietitian for 18 years. She owns Personalized Nutrition Counseling, a private practice in Atlanta that helps clients use nutrition to achieve their optimum health. Rachel is a past spokesperson for The Academy of Nutrition and Dietetics, representing more than 60,000 Registered Dietitians to the national media. She has appeared as a nutrition expert in numerous national print, TV, radio, and online outlets, including CNN, NPR, The Washington Post, USA Today, Ladies’ Home Journal, Glamour, Fitness, Parents, and Shape, among others.
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