What to notice:

  • Overwhelming fatigue, especially after eating

  • Feeling tired even after a full night’s sleep

  • Energy crashes during the day

Why it happens: If your gut is inflamed and not absorbing nutrients properly, your body isn’t getting the fuel it needs. Plus, chronic inflammation itself is exhausting.

4. Headaches and Migraines

Recurrent headaches, especially after meals, can be a clue.

What to notice:

  • Frequent headaches, particularly after eating

  • Migraines that don’t respond well to typical treatments

  • Headaches accompanied by other digestive symptoms

Why it happens: Inflammation and immune responses can trigger headaches in susceptible individuals.

5. Skin Issues

Your skin often reflects what’s happening inside your body.

What to notice:

  • Dermatitis herpetiformis – An intensely itchy, blistering rash (specifically linked to celiac)

  • Eczema or psoriasis flare-ups

  • Unexplained dry skin or rashes

  • Acne that doesn’t respond to typical treatments

Why it happens: Inflammation and immune complexes can deposit in the skin, causing various dermatological issues.

6. Joint Pain and Inflammation

Unexplained aches and pains that come and go.

What to notice:

  • Achy joints without a clear cause

  • Stiffness that improves with movement

  • 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:

  • Unexplained anxiety or feelings of dread

  • Depressed mood

  • Irritability or mood swings

  • 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:

  • Irregular menstrual cycles

  • Severe PMS

  • 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:

  • Iron-deficiency anemia (low ferritin)

  • Vitamin B12 deficiency

    Vitamins & Supplements

  • Vitamin D deficiency

  • Unexplained weight loss