The Big Picture
Endometriosis causes chronic inflammation in the body, and certain foods may either increase or decrease that inflammation. While diet alone cannot cure endometriosis, emerging research suggests it may help reduce some symptoms, especially digestive issues like bloating, abdominal pain, and irregular bowel function, when used alongside your regular medical treatment.
It is important to know that the overall quality of research in this area is still limited. Most studies have been small, and more high-quality trials are needed before doctors can make firm dietary recommendations. That said, several dietary approaches show early promise.
The Low FODMAP Diet: The Strongest Evidence So Far
FODMAPs are a group of carbohydrates found in many everyday food, including wheat, onions, garlic, certain fruits, dairy products, and artificial sweeteners. In some people, these carbohydrates are poorly absorbed and ferment in the gut, causing bloating, gas, abdominal pain, and changes in bowel habits.
A recent clinical trial called the EndoFOD study (2025) tested a low FODMAP diet in women with endometriosis who had significant digestive symptoms. The results were encouraging:
- 60% of participants experienced meaningful improvement in digestive symptoms on the low FODMAP diet, compared to 26% on a standard healthy diet.
- Improvements in bloating, abdominal pain, and stool consistency began within two weeks.
- Quality of life related to digestive symptoms also improved.
The low FODMAP diet is not meant to be followed forever. It works in three phases:
- 1. Restriction (2–6 weeks): You temporarily remove all high-FODMAP foods to see if your symptoms improve.
- 2. Reintroduction (6–10 weeks): You systematically add back one FODMAP group at a time to identify your personal triggers.
- 3. Personalization (ongoing): You settle into a long-term eating pattern that avoids only the specific foods that trigger your symptoms, while keeping your diet as varied and nutritious as possible.
Because this diet can be complex and may risk nutritional gaps if done incorrectly, it is strongly recommended that you work with a registered dietitian experienced in this approach.
We have seen patients experiencing symptoms relief when using the FODMAP diet. While it does not work for everyone, it does seem to be a promising option for some patients with endometriosis.
Anti-Inflammatory and Mediterranean-Style Diets
The Mediterranean diet emphasizes fruits, vegetables, whole grains, legumes, nuts, olive oil, and fish, while limiting red meat, processed foods, and saturated fats. A 2025 study found that women who followed a Mediterranean-style diet more closely had significantly lower odds of having endometriosis.
While this does not prove that the diet prevents or treats endometriosis, it aligns with what we know about inflammation: diets rich in omega-3 fatty acids (found in fish, flaxseed, and walnuts), antioxidants (found in colorful fruits and vegetables), and fiber may help reduce the chronic inflammation that drives endometriosis symptoms.
Gluten-Free Diet
Some women with endometriosis report that eliminating gluten helps reduce pelvic pain. A few small studies have supported this, and surveys show that women who try a gluten-free diet rate it moderately helpful (about 6 out of 10 for pain relief). However, a large study following over 80,000 women found that gluten intake was unlikely to be a major factor in endometriosis. No high-quality clinical trials have tested a gluten-free diet specifically for endometriosis.
If you are considering going gluten-free, it is reasonable to try it for a defined period to see if you notice improvement. But be aware that unnecessarily eliminating gluten can make your diet less varied and may reduce your intake of important nutrients.
What About Other Diets?
You may have heard about other dietary approaches, such as low-nickel diets or diets rich in plant estrogens (phytoestrogens). While there is some early research on these diets, the evidence is too limited to make specific recommendations.
Key Takeaways
- Diet is not a replacement for medical treatment, but it may be a helpful addition to your overall management plan.
- The low FODMAP diet has the strongest research support, particularly if you experience significant bloating, abdominal pain, or bowel changes alongside your endometriosis.
- An anti-inflammatory or Mediterranean-style eating pattern is a sensible long-term approach that may benefit overall health and potentially reduce inflammation.
- Avoid overly restrictive diets without professional guidance. They can lead to nutritional deficiencies and unnecessary stress around food.
- Work with a registered dietitian if you want to try a structured dietary approach. They can help you implement changes safely and effectively.
- Always discuss dietary changes with your healthcare team, especially if you are taking hormonal treatments or planning pregnancy.