hand reaching toward a wooden board with cheese and cured meat on a rustic dinner table
Sometimes the foods that once felt comforting are the very ones the body quietly begins to question. Photo by Joana Abreu on Unsplash

When the Body Says “No”: Listening to Food Reactions

A gentle exploration of what it means when your body reacts to certain foods — not as random “symptoms,” but as messages from a system trying to protect you.

There are moments when the body responds to food in a way that feels louder or more drastic than usual.

Sometimes it’s subtle: a heaviness after a meal that used to feel comforting.
Sometimes it’s obvious: itching, flushing, heartburn, bloating, or a restless night after something that “should have been fine.”

red onion, green onion stalks, and garlic cloves on a wooden cutting board in soft light
Even everyday staples like onions and garlic can become part of the body’s way of saying “not right now.” Photo by Justus Menke on Unsplash

It can be tempting to write these off as random, or to push past them with thoughts like:

  • “I’m probably overreacting.”
  • “It’s just stress.”
  • “I’ve eaten this all my life; it can’t be the problem.”

But over time, I’ve come to see these reactions differently.

Not as annoyances.
Not as betrayals.
But as messages from a system that is trying, in its own way, to protect you.

This post is a gentle invitation to consider your food reactions as communication — as your body’s way of saying, “Something in this combination, in this timing, or in this season of your life… is a ‘no’ for me right now.”

Symptoms as messages, not malfunctions

Most of us were taught to think of symptoms as problems to suppress:

  • Take something for the heartburn.
  • Take something for the gas.
  • Take something for the headache.
  • Push through the itching or discomfort and keep going.

In that model, the goal is to shut down the signal so you can return to “normal life” as quickly as possible.

But what if we flip the lens?

What if, instead, we ask:

“If my body is saying ‘no’ right now, what might it be trying to protect me from?”

A few possibilities:

  • A food your system currently can’t break down well.
  • A combination or portion size that overwhelms digestion.
  • A nervous system that is already overloaded, making everything feel “too much.”
  • An immune or inflammatory response that’s quietly been building for years.

The point is not to become fearful of food, or to label every sensation as dangerous.
The point is to pause before overriding the signal.


How the body quietly says “no”

The body’s “no” doesn’t always look dramatic. Often, it’s subtle and easy to dismiss.

For some people, a “no” might look like:

  • Feeling unusually tired or foggy after eating.
  • Bloating that makes clothes feel tight, even with a simple meal.
  • Itching, flushing, or little skin changes that show up after certain foods.
  • Heartburn, nausea, or a feeling of “food sitting in the stomach.”
  • A racing heart or anxious feeling after sugar, caffeine, or heavy meals.
  • Sleep that feels lighter or more agitated after certain dinners or late-night snacks.

None of these mean your body is broken.
They mean your body is responding.

And while there are many possible reasons for these reactions (digestive, hormonal, immune, nervous-system, and more), one thing is consistent:

Your body is not trying to punish you.
It is trying to signal you.


What might be happening underneath

Without turning this into a biology textbook, here are a few gentle possibilities that may be at play when food reactions show up:

  • Digestive capacity: Stomach acid, enzymes, bile, and gut motility can all change with stress, age, medication, and life circumstances. A food that was easy at 20 may feel different at 45.
  • Gut lining and microbiome: The health of your intestinal lining and the mix of microbes in your gut can influence how your body responds to certain foods.
  • Immune and inflammatory tone: Some bodies become more reactive in certain seasons of life such as after infections, in times of chronic stress, or when sleep and nourishment have been stretched thin.
  • Nervous system state: When your system is in “fight, flight, or freeze,” digestion naturally shifts. Blood flow, motility, and secretions change. The same meal may land very differently in a body that feels threatened than in a body that feels safe.

We don’t have to have every answer in order to respect the signal.

Sometimes the most honest starting point is:

“Something about this doesn’t feel right for my body right now. I’m willing to listen.”


From self-blame to self-listening

Food reactions often come with a soundtrack of self-blame:

  • “Why is my body so sensitive?”
  • “Everyone else can eat this.”
  • “I’m being ridiculous.”

But sensitivity is not a character flaw. Fri me it is a gift.
It’s a wealth of useful information.

Your body may simply be more honest, more vocal, or more finely tuned than you were taught to value. In a world that prizes pushing through and numbing out, that kind of honesty can feel inconvenient… even embarrassing. But to me, it is a blessing.

What if, instead of fighting your body, you allowed it to be your ally?

Instead of:

“What’s wrong with me?”

try:

“What are you trying to tell me?”

That subtle shift from judgment to curiosity changes the entire conversation. I encourage you to try and see… observe for yourself.

Quick Answers

Q: Is this article telling me to cut out lots of foods?
A: No. This is an invitation to notice how your body responds, not a prescription to restrict. Awareness comes first; any changes you make can be slow, gentle, and guided.

Q: How do I know if a food reaction is serious?
A: If you ever notice trouble breathing, swelling of the face or throat, chest pain, black or bloody stools, or severe, sudden pain, seek urgent medical care. For quieter, ongoing reactions, track patterns and discuss them with a trusted practitioner.

Q: Can stress really change how I tolerate food?
A: Yes. Your nervous system and digestion are deeply connected. When your body is in “threat mode,” the same meal can feel very different than it does in a calmer state.

Q: How quickly should I expect changes if I start listening to my body more?
A: There’s no fixed timeline. The first “change” is often internal: less self-blame, more clarity about what your body is saying. Physical shifts tend to follow gradually, especially when you combine awareness with supportive care.

My Onion and Garlic Story

Oh my goodness… I can’t even tell you how much I love onions and garlic. For years I’ve not only enjoyed them, I’ve believed they’re true natural medicines for the body.

In the past, I never noticed anything unusual when I consumed them.

Then, a few months ago, I started to see a pattern: every time I ate onions, I itched.

At first I ignored it. I love the flavor onions and garlic give to my meat meals, and I respect their medicinal properties. But the itching kept showing up, so I stopped using them for a while.

As time went on, I began to doubt myself:

  • “Is this real?”
  • “Am I imagining it?”
  • “Is this all in my head?”

So, recently, I tried again… and my body spoke the same language.

Most recently I combined red onions and garlic in one of my meat meals… I think it was my beef cheek feast. The meal itself was delicious and deeply nourishing, with lots of gelatin and connective tissue. I cooked it very soft.

But yes… you guessed it.
I started itching again.

At that point, I still didn’t know if it was the onions, the garlic, or both. After all, they’re in the same allium family.

So about three days ago, I did another experiment. I cooked a hearty meat meal and added only cloves of garlic. And again… I itched.

There was one confounding variable: in that meal I had let the meat (beef heart) sit in the fridge—not the freezer for two days before cooking it. So now my questions are:

  • Is my body reacting to the garlic itself?
  • Is this more of a histamine-type reaction?
  • Is it the combination of time + temperature + allium family?

I don’t have the full answer yet. I’ll likely repeat the experiment with meat that goes straight from the freezer into the pot, add some garlic, and observe what happens.

The point is not that onions or garlic are “bad.” The point is:

my body has started saying a clear “no” in this season, and I’m choosing to listen.

In other words, your body… my body… has a language. It is in constant communication with us. The more we learn to understand the language of the inner healer that every one of us carries, the better we can respond with respect instead of frustration.

Three gentle practices for listening to food reactions

You don’t need a complicated protocol to begin listening. Start with small, compassionate experiments.

1. The simple food & feeling log

For 5–7 days, gently track:

  • What you eat (no need to obsess over portions; just the main components).
  • When you eat.
  • How you feel in the 1–3 hours after (energy, mood, digestion, skin, sleep later that night).

Look for patterns like:

  • “Every time I have this food at night, my sleep feels lighter.”
  • “These meals leave me calm; these leave me wired or heavy.”

This is not about perfection. It’s about building a relationship with your own data.


2. Pause before the second bite

The next time you sit down to eat, try this:

  • Take your first bite slowly.
  • Before the second bite, pause.
  • Notice: How does the first bite feel in my mouth, my throat, and my body?

You might sense warmth, comfort, tension, or even a subtle tightening. Nothing is “wrong” with whatever you feel. You’re simply waking up your awareness.

Over time, this tiny pause helps you catch early “no” signals before you override them out of habit or politeness.


3. Separate the signal from the story

When a reaction happens such as bloating, itching, heartburn… there are two possible layers:

  1. The signal (what your body is doing).
  2. The story (what your mind says about it).

The story might sound like:

  • “Here we go again.”
  • “I’ll never figure this out.”
  • “My body is against me.”

When you notice that story, see if you can gently set it aside and just name the signal:

“My body is saying ‘no’ to something here.”

You don’t have to know exactly why yet.
You’re simply learning to acknowledge the signal without attacking yourself.


FAQ

1. What if I feel like my body reacts to almost everything I eat?
Feeling like “everything is a trigger” can be overwhelming. Sometimes this reflects a more sensitive nervous system, a taxed gut, or a body that has been under stress for a long time. This is usually a sign to pause, simplify, and reach out for support… not to blame yourself. A calm, simple food plan plus nervous-system care (sleep, breathing, gentle movement) can be a helpful starting point, ideally with a practitioner who takes your experience seriously.


2. How do I listen to my body without becoming afraid of food?
The goal is not to turn every bite into an investigation. It’s to build a kinder relationship with your signals. You might start by choosing one meal a day to slow down and notice how you feel before and after and let the others be more relaxed. Keep pleasure, connection, and enjoyment on the table. Fearful eating can be just as stressful to the body as ignoring symptoms.


3. Do I have to do a strict elimination diet to understand my food reactions?
Not necessarily. Some people do benefit from structured elimination diets, but they’re best done with guidance. Often, starting with a simple food-and-feeling log, adjusting meal size or timing, or reducing obvious “overloads” (very heavy, complex meals) can reveal a lot without extreme rules. If you’re considering an elimination diet, talk it through with a clinician who understands both nutrition and your overall health.


4. What if my doctor or practitioner dismisses my food reactions?
It can be painful when your lived experience is minimized. Bringing a clear, simple log of what you eat and how you feel can sometimes help the conversation. You’re also allowed to seek a second opinion or look for someone more familiar with gut, immune, and nervous-system links. Your observations are valid data, even if not everyone knows how to interpret them.


5. How does this connect to my “inner healer”?
Listening to food reactions is one way of honoring the part of you that is always trying to move toward balance, even when it doesn’t feel that way. Instead of seeing your body as an enemy, you begin to treat it as a partner with important information. That shift from fighting your symptoms to being curious about them is a doorway into deeper self-healing work.

When to ask for more support

Listening to your body does not mean you have to figure everything out alone.

It’s wise to seek medical care urgently if you notice things like:

  • Difficulty breathing, swelling of the face or throat, or a feeling of your airway closing.
  • Severe abdominal pain, repeated vomiting, black or bloody stools.
  • Fainting, chest pain, or other intense, sudden symptoms.

And it can be helpful to work with a trusted practitioner if you’re noticing:

  • Persistent, unexplained weight loss or gain.
  • Ongoing digestive distress that interferes with daily life.
  • Food reactions that are increasing in number or intensity.

You are allowed to bring your observations into that space and say:

“Here’s what I’ve noticed my body saying ‘no’ to. Can we explore why?”


A quiet closing thought

Your body is not trying to make your life harder.
It is trying to keep you safe in the only language it has: sensation, reaction, state.

Food reactions are not random punishments. They are pieces of information. Some you may work around. Some you may heal through. Some may guide you into a different relationship with your plate, your nervous system, and your life.

As you move through this week, you might simply ask:

“If my body could speak plainly through this reaction, what might it be trying to say ‘no’ to… and what quiet ‘yes’ might it be protecting?”

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Clinical services are provided within my scope as a licensed clinical psychologist (CA, RI). My Doctor of Integrative Medicine credential is a doctoral degree with board certification by the Board of Integrative Medicine (BOIM) and does not represent a medical/physician license. All educational content is for learning only and is not a substitute for professional medical or psychological care.

About Dr. Nnenna Ndika

Dr. Nnenna Ndika is an integrative, trauma-informed clinical psychologist (CA/RI) and Doctor of Integrative Medicine (BOIM). Her work bridges neuroscience, somatic regulation, and environmental rhythms—simple, minimalist practices that help the body remember safety and the mind regain quiet strength. Silent Medicine is educational only; it does not replace medical or psychological care. Begin with Start Here or explore Mind-Body Healing.

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