What Do Food Sensitivity Test Results Really Mean?

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Over the past five years, I have coached thousands of Life Time members, many of which who have also completed a food sensitivity lab test. Often people get this testing done in an effort to inform their weight-loss journey, pinpoint their personal trigger foods, or minimize their digestive symptoms. While all those things can be accomplished by identifying food sensitivities, the secret is not the test itself —it’s putting in the work to heal your digestive tract and improve the foundation of your metabolism after you learn your results.

I repeatedly see how knowing one’s individual food sensitivities can alter their nutrition plan to be more customized and better help them reach their goals. While an elimination diet can also be a great starting point, many people need to see it written in black and white to have the motivation to really stick to removing certain foods from their diet.

Even though there are parts of the food sensitivity test that are straightforward, there are also many questions surrounding the reasons for doing the test and the ways it can positively inform and impact your health that often surprise people. Here are answers to the ones I hear most often from clients.

What’s the difference between a food allergy, food intolerance, and food sensitivity?

While you may hear “allergy,” “intolerance,” and “sensitivity” used interchangeably in conversation, they are all quite different reactions in the body, and their distinctions are important to know as you pursue lab testing.

A food allergy is when someone has a severe reaction to consuming a particular food. For example, you may think of someone who has a peanut allergy going into anaphylaxis after eating one of the nuts and needing to visit the hospital.

A food intolerance is when someone cannot physically breakdown the food they are consuming. One popular example you may think of is lactose intolerance. In this instance, symptoms typically quickly appear as significant digestive upset.

Then there are food sensitivities. In my opinion, these are the most difficult to pinpoint. Food sensitivity symptoms can develop right after you eat a food, hours later, or even days following. Symptoms can also vary greatly from person to person. The variability in timing and display of symptoms is often why many may not realize they have a food sensitivity.

What are some symptoms of a food sensitivity?

As you can imagine, I often have clients who are surprised to learn they have food sensitivities, with them only finding out once they test. The cardinal symptoms associated with food sensitivities are often digestive health issues, such as bloating, gas, and heartburn, and therefore often misinterpreted as “normal.” However, fatigue, excess body fat, poor sleep, headaches, sinus congestion, skin issues, and so much more can all be suggestive of underlying food sensitivities.

What are some common food sensitivities?

We most frequently see food sensitivities result from 15 different foods, which are the ones we test for in our food sensitivity test at Life Time. These include:

  • Almond
  • Cow dairy (casein, Beta-lactoglobulin)
  • Cashew
  • Egg white
  • Egg yolk
  • Gluten
  • Corn
  • Pea
  • Peanut
  • Soybean
  • Tomato
  • Walnut
  • Wheat
  • Yeast

Of that list, what I see come up most often is gluten and dairy. While that’s not surprising to a lot of people, like I mentioned before, seeing it in writing is often needed to help motivate people to eliminate (even if just temporarily) those favorite food groups.

Pinpointing which of these common food sensitivities you may be reactive to is important, as it can help dictate any elimination diet work we may want to do, as well as inform a more individualized (and successful) nutrition plan. Because gluten and dairy are the most common sensitivities, it’s often where I have my clients begin in an elimination diet. We typically see great results from removal as these foods can cause a lot of inflammation in the body.

The Food Sensitivity Plus test at Life Time also tests for additional lab markers, so we can really start to understand why you have food sensitivities and what you can do about them for you to feel and function better.

Why might I have food sensitivities?

Many times the “why” isn’t initially considered by individuals, but the reality is, addressing food sensitivities isn’t as simple as solely removing the foods that you react to — it’s essential to figure out the root cause.

The reason people develop food sensitivities is because their digestive tract is not as strong and healthy as it needs to be, and there could be several reasons for that. The number one reason I see is stress on the body, whether that stress is a result of work, family life, poor diet, intense exercise, inflammation, nutrient deficiency, or some combination of them all. This stress can affect the permeability of your gut lining and in turn lead to food sensitivities.

What can I do about any food sensitivities I may have?

Addressing food sensitivities is a three-part process: Removing the foods based on your lab results for a certain length of time, healing the gut, and then reintroducing the foods.

The most common misstep I see people make is either not addressing the root cause or not working to heal the gut. This may mean that while you’ve removed the foods that you’re also using specialized supplementation, focusing on improving your sleep, or working on your stress management. Not neglecting these steps will set you up for the most success when you reintroduce the foods.

Once you enter the reintroduction phase, you’ll reintroduce foods one at a time, noticing to see if any symptoms arise. If they do, it’s an indication that it’s a food you’ll want to leave out of your diet for longer or potentially long term. If no symptoms appear, you can feel good about including that food in your plan. That is the good news: Food sensitivities can often just be temporary!

It’s common for people to see a vast improvement in how they feel when they remove their food sensitivities from their diet. I cannot tell you how many times I get on the phone and someone will say, “my trainer told me to do that,” but they didn’t actually take the steps. It often takes getting the test and having the results in front of you to feel encouraged enough to really alter your diet.

What does the gut have to do with food sensitivities?

Your gut health is the foundation of your metabolism. When your digestive tract is off, it can affect nearly everything with your body. You’ve likely heard the phrase “you are what you eat,” but in all reality, you actually are what you eat, breakdown, absorb, and metabolize.

The digestive system is complex. It’s important that each step is working well to help support a healthy nutrient status, levels of inflammation, cholesterol clearance, and hormone health. A healthy gut is also a key component for solid immunity.

Wrapping Up

Food sensitivities have become an extremely popular conversation, but remember, if you want to feel better and improve your health, there’s more to the process then just cutting out the foods you react to.

Testing can be a helpful starting point, but we must also uncover the root issue that led to the food sensitivities in the first place and, most importantly, do the work to heal the gut and sustain gut-supportive habits moving forward.

If you’re interested in learning more about Life Time’s food sensitivity test, you can do so here. If you do the work and are still not seeing success, you may want to consider digging in even deeper with metabolic testing, such as the Ultimate All-in-One, to really understand what is going on with your metabolism.

The post What Do Food Sensitivity Test Results <em>Really</em> Mean? appeared first on The Source.

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