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Dietary Suggestions for Fibromyalgia and Gluten Sensitivity

Foods to favor and foods to avoid for patients managing fibromyalgia or gluten sensitivity.

Gluten, Fibromyalgia, and Your Diet: What You Need to Know

If you're managing fibromyalgia (FMS) or chronic fatigue syndrome (CFS), what you eat matters more than you might think. One of the biggest dietary factors to understand is gluten — and how it may be affecting the way you feel every day.


What Is Gluten and Why Does It Matter?

Gluten is the protein found in wheat. For people who are gluten intolerant or gluten sensitive, the amino acid structure of this protein can trigger inflammation in the intestines — and that inflammation creates a serious problem.

When your intestinal lining is inflamed, your body can't properly absorb the nutrients it needs: vitamins, calcium, protein, carbohydrates, healthy fats, and more. No matter how well you eat, if your gut is inflamed, your body isn't getting the full benefit of your food.

Common Symptoms of Gluten Sensitivity

You don't need a formal diagnosis to notice that wheat affects you. Symptoms can include:

  • Bloating
  • Constipation or diarrhea
  • Fatigue after eating
  • Cramping
  • Blood sugar fluctuations (hypoglycemic symptoms)
  • Dizziness
  • Nausea

Your doctor can order specific tests to confirm gluten intolerance or sensitivity if you'd like a definitive answer.


Why This Is Especially Important With FMS and CFS

When you're living with FMS or CFS, your body is already in an oversensitive state. It needs every nutrient it can get in order to heal. Anything that interferes with nutrient absorption — like intestinal inflammation from gluten — works directly against your recovery.

That's why reducing or eliminating wheat and wheat-related products during your healing process is strongly recommended.


Other Grains and Foods That Can Cause Similar Reactions

Wheat isn't the only culprit. Other grains can produce gluten-like inflammatory reactions in sensitive individuals, including:

  • Rye
  • Barley
  • Oats
  • Buckwheat
  • Quinoa
  • Amaranth
  • Millet

Beyond grains, many people with FMS and CFS also react to milk, corn, and soy. These foods don't contain gluten, but their structure is similar enough to trigger intestinal inflammation in some people. Avoiding them can support gut healing and reduce overall stress on your digestive system.


Gluten Is Everywhere — Here's What to Watch For

Once you start reading labels, you'll notice wheat shows up in a surprising number of products. A few things to keep in mind:

  • Many packaged and processed foods contain wheat or wheat-derived ingredients.
  • Some products don't contain gluten directly, but are processed on shared equipment with wheat (most soy sauces are a common example).
  • Gluten is sometimes used as a filler — including in many medications.

Wheat is widely used in food production because it's inexpensive to grow and has a long shelf life. The more familiar you become with where it hides, the easier it gets to avoid it.


How to Get Started: Go Slow

It might be tempting to cut out all gluten immediately, but a sudden, drastic dietary change can actually stress your system further — especially when your body is already sensitive from FMS or CFS.

A better approach:

  1. Start by noticing. Pay attention to how much wheat you're currently eating and how you feel after eating it.
  2. Keep a food diary. Track what you eat and any symptoms that follow. Do the same for other potentially problematic foods like milk, corn, and soy.
  3. Reduce gradually. As you learn how specific foods affect you, slowly begin removing the ones that cause problems.

This steady, informed approach gives your body time to adjust and helps you identify your personal triggers with confidence.


Additional Dietary Considerations

Along with reducing gluten and other inflammatory foods, consider cutting back on:

  • Caffeine
  • Alcohol
  • Sugar
  • Hydrogenated oils

These can place unnecessary stress on your body and may slow your progress.


Gluten-Free Food Reference Guide

Use the table below as a starting point. It's not a complete list, but it's a helpful resource as you begin making changes.

Note: If you're also sensitive to milk, corn, soy, or gluten-similar grains (rye, barley, oats, buckwheat, quinoa, amaranth, millet), work on reducing those as well. Many of these secondary sensitivities improve as your gut heals. Your food diary will help you track what your body tolerates.

Grains, Grain-Like Foods, Nuts & Seeds

Contains Gluten

Healthier Alternatives

Wheat, barley, bulgur wheat, most cereals, hard wheat, kamut, malt, soba noodles, spelt, sprouted wheat/barley, tabbouleh, triticale, wheat nuts, wheat germ, bran, couscous, pearl barley, rye, seitan, udon, farina

Buckwheat, corn, corn grits, kasha (roasted buckwheat), oats, quinoa, rice, 100% buckwheat soba, sorghum, acorn, alfalfa, almonds, sesame seeds, sunflower seeds, soy, flax, tapioca, wild rice, amaranth, millet

Flours and Baking Ingredients

Contains Gluten

Healthier Alternatives

Artificial color & flavoring, baking powder, barley malt, bleached flour, bread flour, brewer's yeast, brown flour, calcium caseinate, caramel color, citric acid, dextrins, food starch, ground spices, malt extract/syrup/flavoring, modified food starch, mono & diglycerides, MSG, mustard powder, natural flavoring, rice malt, semolina flour, semolina triticum, starch, vegetable starch, triticum durum, wheat durum, wheat starch, whole-meal flour

Amaranth flour, almond flour, apple cider vinegar, Arabic gum, arrowroot, baking soda, bicarbonate of soda, carob bean gum, carob flour, cellulose gum, corn flour, corn syrup, cream of tartar, gelatin, gram flour (from chickpeas), guar gum, locust bean gum, maltodextrin, oat flour, polenta, potato flour, psyllium, quinoa flour, rice flour, rice vinegar, sago flour, seaweed, sorghum flour, tapioca flour, turmeric, whey, yam flour, xanthan gum

Protein Sources and Beans

Contains Gluten

Healthier Alternatives

Hydrolyzed plant protein (HPP), hydrolyzed vegetable protein (HVP), textured vegetable protein (TVP)

Eggs, tofu, fresh fish, lentils, adzuki beans, mung beans, soybeans, carob bean, most cheeses (except blue & Chilton), chickpeas, maize, peas, potatoes, succotash (corn and beans), tofu/soya curd, yogurt, milk

Miscellaneous Foods and Beverages

Contains Gluten

Healthier Alternatives

Beer, gravy cubes, miso, hard alcohol distilled from wheat, soy sauce, stock cubes, teriyaki sauce

Wine, champagne, balsamic vinegar, oils, distilled vinegar, tea


References: Gluten-Free Diet: A Comprehensive Resource Guide, Shelley Case, B.Sc.H.Ec.; Prescription for Nutritional Healing, Balch & Balch; Celiac.com — Celiac Disease & Gluten-Free Diet Support Page.