Gluten intolerance 101: everything you need to know - Nutrium Blog (2024)

Gluten intolerance can be tricky to navigate considering its signs and symptoms closely resemble a gluten allergy. Here is everything you need to know to help your clients understand, treat, and manage gluten intolerance or celiac disease.

Gluten intolerance is a growing health concern in the U.S. In fact, almost 6% of the U.S. is affected by gluten intolerance. Gluten makes its debut in a variety of foods–even foods you may not typically expect.

Gluten-intolerant individuals experience adverse reactions when consuming gluten including stomach pain, bloating, or diarrhea. Oftentimes, this is perceived as gluten sensitivity; however, there is a distinct difference between gluten intolerance and celiac disease. As a dietitian, it’s important to recognize these differences so you can best help your clients.

Here’s everything you need to know about gluten intolerance, celiac disease, gluten ingredients to avoid, and how to create a gluten-free meal plan for your clients.

What is gluten?

Gluten is a protein commonly found in a variety of grain and wheat products such as wheat, barley, rye, and triticale. Furthermore, gluten serves as a binding agent, allowing food to maintain its shape.

Although gluten is a naturally occurring protein, it is often added to foods during processing in order to provide added texture and shape. Many people are also intolerant or sensitive to this protein, which can result in various symptoms that range in severity.

Interestingly, studies have found that 65% of American adults think gluten-free foods are healthier, and 27% choose gluten-free products to aid in weight loss.

Differences between celiac disease and gluten intolerance

Celiac disease is an autoimmune disease in which the body is unable to absorb or digest gluten, with symptoms including iron deficiency anemia, depression, elevated liver enzymes, neuropathy, and headache. While symptoms may vary from person to person, everyone who has celiac disease is at risk for long-term complications.

So, what is gluten intolerance? Also known as gluten sensitivity, gluten intolerance is a condition in which the body is unable to tolerate gluten, and can manifest as someone feeling sick, bloated, or gassy after eating gluten.

Is there a blood test for gluten intolerance?

Blood tests for gluten intolerance are currently unavailable due to poor evidence and accuracy. However, antibody blood tests used for diagnosing the celiac disease can help determine whether or not your client has either celiac disease or gluten intolerance.

In other words, if your client receives a negative result for celiac disease, it is more than likely they may have gluten intolerance.

A gluten-elimination diet is also used to diagnose gluten intolerance. Therefore, if symptoms subside on the gluten-elimination diet, this may also indicate and affirm your client may have gluten intolerance rather than celiac disease.

What are the signs and symptoms of gluten intolerance?

This intolerance may cause a variety of signs and symptoms that affect your clients’ quality of life. Here are a few of the most common signs and symptoms of gluten intolerance.

  • Abdominal pain
  • Irregular bowel movements
  • Nausea or vomiting
  • Headaches
  • Fatigue
  • Joint/bone pain
  • Red, itchy skin

Although symptoms of gluten intolerance and celiac disease are similar, it is important to understand the difference between the two, and the actions to take to help alleviate these issues when consuming gluten.

How long after eating gluten do symptoms start?

Research suggests that the onset of symptoms related to eating gluten can occur as soon as an hour, or even take as long as a few days. As a dietitian, it is important to have your clients self-monitor their symptoms to help manage their condition, whether it be celiac disease or gluten intolerance.

Who should stay away from gluten?

Those who either have a known diagnosis of celiac disease or gluten intolerance should stay away from gluten. Individuals with celiac disease should keep a lifelong, strict gluten-free diet to avoid worsening symptoms and damage to the intestines.

However, those with gluten intolerance may not need to follow as strict of a gluten-free diet. Gluten intolerance has the potential to resolve after a few years; however, if symptoms persist, it is best to remove gluten from the diet.

Gluten ingredients to avoid

Whether your client has an intolerance to gluten or celiac disease, it is important that they are aware of gluten ingredients to avoid. Here is a list of gluten-containing ingredients celiacs can’t have.

Grains:

  • Barley
  • Wheat (bran, germ, & scratch)
  • Bulgur
  • Couscous
  • Durum
  • Spelt
  • Farro
  • Farina
  • Rye
  • Panko
  • Semolina
  • Triticale

Foods & beverages:

  • Pasta or cereals derived from wheat
  • White or sourdough bread
  • Crackers
  • Granola bars
  • Baked goods
  • Flour tortillas
  • Soy Sauce
  • Malt vinegar
  • Beer

Best gluten-free foods to add to a meal plan

Although a gluten-free diet can be quite restrictive, plenty of naturally gluten-free foods can be added to any meal. Here are a few gluten-free food options to add to a meal plan:

  • Eggs
  • Fruits & vegetables
  • Lean meat
  • Beans & legumes
  • Seeds & nuts
  • Low-fat dairy
  • Rice (white, brown, & wild)
  • Quinoa
  • Amaranth
  • Buckwheat

With so many ingredients to avoid, making and preparing meals can be challenging. Here are two easy gluten-free recipe ideas (Quinoa Veggie Bowls and Cauliflower Couscous) to consider including on a gluten-elimination diet.

How to create a gluten-free meal plan for clients

When creating a gluten-free meal plan for clients, it is important to consider all food groups, and include a variety of different, nutrient-dense foods. In addition, it may be beneficial to include substitutions for certain foods, so that your clients have a choice with their meals, and are also aware of what they can and can’t have.

Don’t know where to start when creating a meal plan for your clients? With Nutrium’s meal plans and templates, you can easily create a week’s worth of a variety of individualized, gluten-free meal plans to meet the needs of your client. Check out Nutrium’s meal plans and templates here to get started on meal planning!

Frequently asked questions about gluten

Can I suddenly become gluten intolerant?

There is no timeline for developing gluten intolerance. Some people develop gluten intolerance at a young age, whereas others do not show signs or symptoms of gluten intolerance until later in life. Therefore, gluten intolerance can develop at any age.

Can people with Celiacs touch bread?

Yes, people with celiac can touch bread. Although celiac disease is considered a gluten allergy, it does not mean an allergic reaction will occur when people with celiac have skin-to-skin contact with bread or other gluten-containing foods. Touching bread will not cause adverse reactions such as damage to the intestines, or cause celiac disease symptoms to worsen. Damage will only occur when gluten is orally ingested.

What is a gluten belly?

Gluten belly, also known as wheat belly, is a common phrase that refers to stomach swelling after eating gluten as a result of bloating. Along with bloating, one may also develop symptoms such as stomach pain, flatulence, or irregular bowel movements.

Is dextrose gluten-free?

Dextrose is a natural sweetener that is commonly derived from corn or tapioca. Since corn and tapioca are gluten-free ingredients, dextrose is also gluten-free.

Does peanut butter have gluten?

Peanut butter is a gluten-free product; however, peanut butter may be processed in a facility that contains wheat. Because of this, there is an increased risk of peanut butter being cross-contaminated with gluten. Therefore, you must educate your clients to read the ingredient label on food products.

Summary

If your client is experiencing adverse symptoms when consuming gluten, they may have a gluten intolerance. Informing your clients about gluten intolerance, raising awareness about gluten-containing foods versus gluten-free foods, and creating gluten-free meal plans will help combat symptoms and discomfort associated with gluten intolerance, and ultimately improve your client’s health and health wellness.

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References

Gluten Intolerance. Retrieved on December 5, 2022, from my.clevelandclinic.org.

What is Gluten? Retrieved on December 5, 2022 from https://celiac.org 

What Is Gluten and What Does It Do? Retrieved on December 5, 2022 from https://www.hopkinsmedicine.org 

The Gluten-Free Diet: Fad or Necessity? Retrieved on December 5, 2022 from https://www.ncbi.nlm.nih.gov/

Symptoms of Non-Celiac Gluten Sensitivity. Retrieved on December 5, 2022 from https://www.beyondceliac.org 

Gluten Sensitivity Testing. Retrieved on December 5, 2022 from https://www.beyondceliac.org 

Gluten Intolerance. Retrieved on December 5, 2022 from https://intermountainhealthcare.org 

Non-Celiac Gluten Sensitivity. Retrieved on December 5, 2022 from https://www.beyondceliac.org 

Gluten-free diet. Retrieved on December 5, 2022 from https://www.mayoclinic.org. 

Ingredients to Avoid if You’re Living Gluten-Free. Retrieved on December 5, 2022 from https://health.clevelandclinic.org 

Go With Your Gut; 4 Facts About Gluten Intolerance. Retrieved on December 5, 2022 from https://www.nm.org 

Am I Gluten Intolerant? 5 Common Wheat Belly Symptoms To Watch For. Retrieved on December 5, 2022 from https://www.kten.com

Is Dextrin Gluten-Free? Retrieved on December 5, 2022 from https://www.beyondceliac.org 

Is Peanut Butter Gluten-Free? Retrieved on December 5, 2022 from https://www.beyondceliac.org. 

Gluten intolerance 101: everything you need to know - Nutrium Blog (2024)

FAQs

What is often mistaken for gluten intolerance? ›

The symptoms of gluten intolerance may also resemble those of a wheat allergy or intestinal conditions such as irritable bowel syndrome (IBS). Experts estimate that 10–15% of adults in the U.S. have IBS symptoms.

What does a gluten belly look like? ›

FAQs about gluten intolerance symptoms

The intestines make up most of the middle and lower abdomen, so “gluten belly” will look like any other type of lower digestive tract bloating. However, if bloating seems to be a regular or constant problem, that's a possible sign that it may be due to gluten intolerance.

What are the first signs of being gluten intolerant? ›

Here are some of the symptoms of gluten sensitivity:
  • "Brain fog." This is the most common characteristic of gluten sensitivity. ...
  • Headaches or migraines. ...
  • Dizziness.
  • Acne or rashes. ...
  • Joint pain or numbness. ...
  • Diarrhea, gas or constipation.
  • Distended stomach or bloating.
Apr 12, 2016

Why did I suddenly become gluten intolerant? ›

Sometimes celiac disease becomes active after surgery, pregnancy, childbirth, viral infection or severe emotional stress. When the body's immune system overreacts to gluten in food, the reaction damages the tiny, hairlike projections, called villi, that line the small intestine.

What are celiac eyes? ›

Ocular conditions associated with celiac disease include: Dry eyes: Dry eyes develop when you cannot produce adequate tears to keep your eye moist. Dry eyes related to celiac disease may develop from a vitamin A deficiency. Cataracts: Cataracts may also develop due to malnutrition.

What do celiac stools look like? ›

Diarrhea caused by celiac disease is due to the maldigestion and malabsorption of nutrients. The stools might be watery or semiformed, light tan or gray, and oily or frothy. The stools have a characteristic foul odor.

Can gluten cause a big belly? ›

Other GI symptoms of gluten belly include: Abdominal distention: This is when the abdomen is noticeably larger or swollen. 3. Gas: Whether it's belching or flatulence, a person with gluten belly may also have symptoms of gassiness.

What does your stomach feel like when you are gluten intolerant? ›

Gluten intolerance may make you feel sick after eating gluten. You might get bloated, nauseous or gassy. Gluten intolerance causes a lot of the same symptoms as celiac disease, but it's not the same condition. Celiac disease is an autoimmune disorder that leads to damage to the digestive tract.

Do potatoes have gluten? ›

The simple answer is yes — potatoes are gluten-free. Gluten is a type of protein found in wheat, rye, barley, and other grains. Potatoes aren't grains, they're a type of starchy vegetable. That's good news for people who can't tolerate gluten because they have celiac disease or gluten intolerance.

How do I test myself for gluten intolerance? ›

There are two main types of at-home celiac tests: antibody tests and genetic tests. Antibody tests require a finger prick to check your blood for specific antibodies that are created in response to eating gluten. In contrast, genetic tests are less invasive and typically just require a cheek swab.

Do you feel sick with gluten intolerance? ›

In both gluten intolerance and celiac disease, the body mounts an immune response against gluten, leading to symptoms such as diarrhea, headaches, fatigue, abdominal pain, weight loss, nausea and vomiting, bloating and gas, and constipation. Celiac disease is the most severe form of gluten intolerance.

How to reverse gluten intolerance? ›

There is no cure for gluten intolerance. A gluten-free diet is the only effective treatment. Go for a blood test to determine if you are really allergic to gluten before going on a gluten-free diet. Consult a dietitian who will carry out a nutritional assessment and then devise a proper meal plan suitable for you.

What happens if you keep eating gluten if you are intolerant? ›

Non-celiac gluten intolerance means that your body's digestive system can't tolerate any form of the protein gluten. If consumed, your body fights against it with inflammation, causing digestive issues like fatigue, abdominal pain, diarrhea and gassiness.

What is the root cause of gluten intolerance? ›

Doctors don't know what causes gluten intolerance, and the condition is still not well understood by medical professionals. There are no biomarkers (signs in your body) that show that a person is gluten intolerant.

Why are doctors against a gluten-free diet? ›

Numerous studies have shown that diets that are gluten free tend to be deficient in protein, folate, iron, niacin, riboflavin, thiamin, B12, zinc, selenium, and fiber. In addition, they are more apt to have higher levels of nickel, which is highly allergenic to some patients.

What disease is know as gluten intolerance? ›

Celiac disease is an autoimmune disorder that leads to damage to the digestive tract. People with gluten intolerance usually find relief from their symptoms by following a gluten-free diet.

What mimics gluten? ›

Here are the six foods that your body can confuse with gluten because of their similar protein structure:
  • Dairy products, such as milk and cheese.
  • Corn.
  • Millet.
  • Oats.
  • Rice.
  • Yeast.
Jun 13, 2017

How do you rule out gluten intolerance? ›

Blood Tests

Your doctor tests your blood to look for unusually high levels of these antibodies. The blood test is not reliable unless you have been regularly eating gluten. If you have been on a gluten-free diet, the doctor may recommend eating foods containing gluten for two to four weeks before the blood test.

Can IBS be mistaken for gluten intolerance? ›

The complex of symptoms associated with these diseases, such as diarrhea, constipation or abdominal pain may overlap for the gluten related diseases, and furthermore they can be similar to those caused by various other intestinal diseases, such as irritable bowel syndrome (IBS).

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