You feel like you’re bloated and your stomach looks like a “pregnant belly” after lunch, no matter what you eat.
You may even have to unbutton your jeans.
And then you start wondering…
Do I have food intolerances? Is it gluten?
Well, not necessarily.
Here are 3 common causes of bloating that we frequently see in consultation — and what you can do about them.
A Common Daily Scenario
Let’s set the context.
You arrive at lunch starving.
Maybe you grabbed a quick breakfast that didn’t keep you full, or you only had coffee from Tim Hortons because you don’t feel hungry in the morning, or simply don’t have time.
Then lunchtime comes, and you don’t really have time to take a break… so you eat quickly while working.
Does this sound familiar?
If this sounds like you, here are some possible reasons why bloating may occur.
Problem #1: Eating Too Quickly
You arrive at lunch overly hungry — even if you don’t fully realize it — which often leads to eating too quickly and chewing less.
Remember that digestion begins in the mouth. Saliva contains enzymes that start breaking down food before it reaches your stomach.
If this step is skipped, your stomach has to work harder. This can create more air and gas, and fermentation may increase in the small intestine. The result: more gas… and more bloating 😊
Solutions
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Chew your food until it reaches a purée-like texture
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Put your fork down between bites
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Take at least 15 to 20 minutes to eat your meal
Problem #2: Arriving at Meals Overly Hungry
It is very difficult to slow down your eating speed when you arrive at a meal extremely hungry.
Solutions
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Add a protein source to your breakfast to improve satiety
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Avoid going more than 4 hours between meals or snacks
Arriving at lunch with a more moderate level of hunger can also help prevent overeating, which is another contributor to bloating.
Problem #3: Eating While Working
When you eat while your body is in a stressed state, digestion has difficulty activating properly.
There are two nervous system branches that regulate your body:
The Sympathetic Nervous System
This system activates when you are stressed or frightened. It prepares your body for quick action:
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Increased heart rate
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Heightened alertness
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Muscles ready for movement
During this state, more blood is directed toward the muscles and heart, preparing you to react quickly.
As a result, less blood is directed toward your digestive system.
When the intestines receive less blood flow, digestion becomes less efficient, which can lead to bloating and discomfort.
In simple terms:
Stress activates the sympathetic nervous system → digestion slows down.
Supporting Digestion by Activating the Parasympathetic Nervous System
The parasympathetic nervous system supports rest and digestion. To help activate it:
Practical Strategies
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Take a real lunch break
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Practice deep breathing before eating to stimulate the vagus nerve (which supports digestion)
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Eat in an environment that is not work-related: with colleagues, while reading, listening to a podcast, or watching a show
You and your digestive system deserve a break. You’re not a robot.
When Bloating Persists
If bloating continues despite these strategies, other potential causes may need to be explored, including:
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Fiber intake that is either too high or too low
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Incomplete bowel movements leading to digestive buildup later in the day
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Sedentary behavior (limited movement between waking and lunchtime)
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Food intolerances
There are many possible explanations to explore before removing foods at random