4 Ways to Use DNA Testing to Improve Your Diet

Have you ever wondered why other people could tolerate dairy or grains – but no matter what you try you're left bloated or fatigued? It's not an allergy… so you must be crazy, right? Not.


Your DNA actually has an impact on how your body responds to what you eat. When you eat certain foods, your body may react well or poorly. This all depends on what is in your DNA.


Nutrigenomics is how nutrients can work with your genes. When you get DNA testing done, you can find out what foods will work best for your body. By doing this, you can improve your diet overall. Your diet can become more effective through DNA testing because you will learn exactly what your body needs and what it doesn’t.


You can take these types of tests with epigenetic coaches. These tests can tell you which foods you should be avoiding and what foods just don’t work well for your body. They can show you what will be most beneficial for your body too. For some people, food categories like dairy and grains may not respond well. This is a result of a gene mutation. Other people do fine with dairy and grains though. It simply depends on your DNA.


Nutrigenomics also play a role in gene mutations. If you have a gene mutation, you can eat certain foods, which can be beneficial when dealing with a particular mutation. When you get DNA testing done, you will find out more about any possible mutations that you may have.


When you have a gene mutation, your health may be compromised in some ways. That’s where nutrigenomics comes in. You will want to eat certain types of food to help your body perform better despite the presence of these mutations. When you don’t get the proper nutrients for those particular gene mutations, you won’t be as healthy and may run into other health issues.


The best way to get started is to identify any possible gene mutations. From there, you can make changes to your diet.


Some popular gene mutations can affect your health, but there is a solution to that problem. Here is what you should be eating to improve your overall health if you have one of these gene mutations:


  • CYP1A2: If you have the CYP1A2 gene mutation, you should reduce your caffeine intake. With the CYP1A2 gene mutation, you may notice that you don't handle coffee very well. Maybe you can't sleep hours after you finish a caffeinated beverage. You might feel sick or very anxious after consuming caffeine. With a CYP1A2 mutation, caffeine stays in your body longer than it does other peoples'.

  • BCM01: For people with the BCM01 gene mutation, vitamin A isn't always processed how it should be. Your body requires beta-carotene to get the vitamin A it needs, but this is insufficient with the BCM01 gene mutation. This can cause a deficiency in vitamin A, even if you are already consuming it. One way to further increase your vitamin A intake is by consuming this nutrient through animal products.

  • PEMT: It can be tricky to work with the PEMT gene mutation because choline can be hard to incorporate into your diet. It can be found in foods like nuts, eggs, beef liver, and some vegetables. The amount needed for those with the PEMT gene mutation is very high and can be hard to maintain through the foods mentioned. If you have the PEMT gene mutation, you're likely deficient and missing out on this vital nutrient. Fortunately, you can add more to your diet with supplements.

  • MTRR: If you have the MTRR gene mutation, you likely need to increase your B-12 intake. This is an essential nutrient for the methylation cycle, which is a metabolic pathway in your body. It is necessary for repairing DNA and overall gene function. Without B-12, this cannot occur properly, and you may have problems with your DNA because of it. Foods like tuna, clams, sardines, liver, and kidneys are full of B-12.



As you can see, some of these healthy changes are easy to make. In many cases, you will need to add one specific nutrient to your diet. This can be through fruits, vegetables, and other foods. You can also opt for a supplement to take each day instead. By making these small changes, you can live a happier and healthier life—even if you happen to have a gene mutation.

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Dr. James Leonette