6. Joint Pain and Inflammation
Unexplained aches and pains that come and go.
What to notice:
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Achy joints without a clear cause
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Stiffness that improves with movement
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Inflammation that seems to flare after meals
Why it happens: Systemic inflammation from gluten sensitivity can affect joints throughout the body.
7. Mood Disturbances
Anxiety, depression, and irritability can all be linked to what you’re eating.
What to notice:
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Unexplained anxiety or feelings of dread
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Depressed mood
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Irritability or mood swings
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Feeling “off” emotionally without reason
Why it happens: Inflammation affects neurotransmitter function, and the gut produces about 95% of your body’s serotonin.
8. Hormonal Imbalances
For women especially, gluten sensitivity can affect reproductive hormones.
What to notice:
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Irregular menstrual cycles
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Severe PMS
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Unexplained infertility
-
Miscarriages
Why it happens: Chronic inflammation can disrupt the delicate balance of reproductive hormones.
9. Anemia and Nutrient Deficiencies
If you’re eating well but your blood work shows deficiencies, your gut may not be absorbing nutrients properly.
What to notice:
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Iron-deficiency anemia (low ferritin)
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Vitamin B12 deficiency
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Vitamin D deficiency
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Unexplained weight loss
Why it happens: Inflammation in the small intestine (especially in celiac disease) damages the villi responsible for nutrient absorption.
10. Autoimmune Conditions
Having one autoimmune condition increases your risk of developing others.
What to notice:
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Hashimoto’s thyroiditis
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Type 1 diabetes
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Rheumatoid arthritis
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Psoriasis
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Any other autoimmune diagnosis
Why it happens: There’s a strong genetic link between celiac disease and other autoimmune conditions. If you have one, you’re at higher risk for others.
The “Gluten Challenge” – Why You Shouldn’t Self-Diagnose
If you suspect gluten sensitivity, here’s what many people do wrong: they stop eating gluten, feel better, and assume that’s proof.
The problem: To get properly tested for celiac disease, you need to be consuming gluten for at least 6-8 weeks before testing. If you’ve already eliminated it, you’ll have to go back on it to get accurate results—and that can be miserable.
The right approach:
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Keep eating gluten until you’ve been tested (if you choose to pursue testing)
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See a doctor for proper evaluation
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Consider keeping a food and symptom diary
What to Do If You Suspect Gluten Sensitivity
Step 1: See a Doctor
Start with your primary care provider. They can order:
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Blood tests for celiac disease (tTG-IgA, EMA, etc.)
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Genetic testing (HLA-DQ2 and HLA-DQ8)
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Referral to a gastroenterologist for possible endoscopy
Step 2: Keep a Detailed Food Diary
Write down:
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What you eat
-
When you eat it
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Any symptoms that follow
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How severe they are
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