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Your bloating likely isn’t a food intolerance
No, bloating is not always caused by a food intolerance. While food sensitivities are very real and can play a role, bloating is often driven by how your body is functioning, not just what you’re eating.
In many cases, the root issue is often related to digestion (how food is broken down), gut motility (how things move through), stress and your nervous system state and gut bacteria imbalances.
This is why people can remove more and more foods… and still feel bloated.
If you feel bloated after eating, it makes sense to assume: “That food caused this.” Sometimes, that’s true. Certain foods are more likely to trigger symptoms like dairy (for those with lactose intolerance), gluten (for those with celiac or sensitivity) and high-FODMAP foods (like onions, garlic, beans- but this has a root cause and it’s actually NOT the foods themselves)
But here’s where things get tricky, bloating doesn’t always mean intolerance, it often means your body is struggling to process something. That’s a very different problem and it requires a different solution other than making your list of foods smaller and smaller.
What bloating actually is
Bloating is typically caused by, gas production, fluid shifts, slowed digestion and gut sensitivity. That gas often comes from normal fermentation of food by gut bacteria, even “healthy” foods.
This can be super confusing because you might feel bloated after a salad, protein oats, a higher fiber meal or a “clean” meal. That makes it easy for you to assume those foods are the issue.
The issue could also be, increasing fiber too quickly, poor digestion due to a break down in digestive function, gut bacteria imbalances, or eating too quickly or in a stressed state. This is why the same food can feel fine one day, and not go great the next.
5 common reasons you’re bloated (that aren’t food intolerances)
1. You’re eating healthy… but your gut isn’t ready
This is common when you quickly increase fiber intake. If you recently changed your diet to include more whole foods or added in high fiber foods such as high fiber wraps or other “high fiber” processed foods, these could quickly cause some bloating. Fiber is super beneficial but slowing increasing intake or removing processed high fiber foods may be helpful. Keep in mind, reacting to high fiber processed foods is different from having an intolerance.
2. You’re eating in a stressed state
Digestion requires a rest-and-digest state. When you’re rushing through your meals, not chewing your food thoroughly, eating while on the go or multitasking (hi eating while scrolling on your phone), your body is not going to prioritize digestion. This means you may not have sufficient secretion of digestive enzymes, stomach acid or bile flow to help properly break down food.
3. Your gut motility is sluggish
Motility = how food and gas move through your system. When it’s slow, food will have more opportunity to ferment in the gut, causing more gas, bloating and constipation. This can be influenced by low caloric intake, low carb intake for too long, stress, thyroid dysfunction, bacterial imbalances, not eating meals, snacking and grazing all day and lack of overall movement.
4. Gut imbalances (SIBO, dysbiosis)
Sometimes it’s not the food, it’s an overgrowth of bacteria in the stomach or the intestines. SIBO is when we have too much bacteria in the small intestine. Bacteria should mainly reside in the large intestine. If your gut microbiome is off, bloating will be consistent.
5. You’ve been undereating
Chronic under-eating can slow digestion, reduce stomach acid and other digestive function which impacts motility and also increases stress hormones which can make bloating worse.
A often-missed root cause: breakdown in digestive function
This is where a lot of people get stuck. You’ve checked off the above boxes and your bloating still isn’t getting better, it's time to dig deeper. Digestion is a step-by-step process. When one part isn’t working well, everything downstream is affected.
Low stomach acid
Despite what many people think, bloating is often linked to low stomach acid, not high.
Stomach acid helps break down protein, signal enzyme and bile release and protect against bacteria. When it’s low, food isn’t fully broken down leaving more fermentation to happen in the intestines which will increase bloating. This can feel like heaviness after eating meals, frequent burping or reflux.
Reduced digestive enzymes
Your pancreas releases enzymes to break down food. If this process is impaired, food will stay partially digested, allowing bacteria to ferment it and gas to build up. This is why even simple meals can cause symptoms.
Sluggish bile flow
Bile helps digest fats and keeps digestion moving. It also helps move out toxins and bacteria in the gut. When bile flow is reduced, fat digestion suffers, meals sit longer in the gut allowing bloating to increase.
Inflammation & gut imbalances
If there’s already inflammation, bacterial imbalances or SIBO, digestive function will become less efficient. This is where working with someone to uncover the root cause of the breakdown in digestion is key. Doing proper testing, having someone help you and guide you in supporting digestion and restoring balance in the gut microbiome instead of spinning your wheels and removing more and more foods will reduce frustration.
When it is a food intolerance
Food intolerances do exist. You might suspect one if symptoms happen every time with a specific food, reactions are consistent and there is a clear pattern. Removing the food is often one piece of the puzzle though and not always the full solution.
Why elimination diets don’t always work
Elimination diets can reduce symptoms short-term and they can be used effectively, however they don’t need to be used forever. The goal is to always get you eating the most diverse amount of food possible for a healthy and thriving gut microbiome. Long term restriction and lead to reduced gut diversity (a reduction in “good” gut bacteria), stress and increase “fear” of foods and miss the root issue.
Need a quick checklist to support digestion? Start here!
Instead of removing more foods, start here:
Daily habits
Slow down when you eat (aim for 10–15 minutes minimum)
Chew your food thoroughly
Sit down to eat (not in the car or on the go)
Nutrition foundations
Eat mostly whole foods- ditch the high fiber breads, wraps and bars
Eat balanced meals that include protein, fiber and healthy fats
Increase fiber gradually (not all at once)
Nervous system support
Take a few deep breaths before meals
Avoid eating in a rushed or stressed state
Build in recovery time during the day
Chew your food thoroughly before swallowing
Movement & motility
Walk daily (especially after meals)
Don’t stay sedentary all day
If you are doing all of these and still feeling bloated, it might be time to work with someone to help you find the root of what could be causing your bloating.
What would your life look like if you had an expert team fully invested in your health- designing your strategy, refining your approach, and leveraging advanced testing and analysis to keep you performing at your best? That's exactly what we do at LVLTN Health.
The first step is a free consultation call. You just need to fill out a short application so we can make the most of our time together. The call itself is a no-pressure conversation, providing you with all the details you need to make the decision on whether we are the best fit!
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