Plant-Based Diets for Fibromyalgia

Image Credit: Samantha Craddock © This image has been modified.

Millions suffer from fibromyalgia, a condition characterized by months of widespread pain, often accompanied by fatigue, sleep disorders, depression, anxiety, cognitive difficulties, headaches, low back pain, and other problems. Its cause is unknown and there is no known cure.

In terms of reducing pain and other fibromyalgia symptoms, according to the latest review,  “Vegetarian diets could have some beneficial effects.” Based on what kind of evidence? In my 5-min video Fibromyalgia vs. Vegetarian & Raw Vegan Diets I review the 20 years of science we have so far, in which vegetarian and raw vegan diets were put to the test.

Both vegetarian and raw vegan diets led to significant improvements in fibromyalgia symptoms, but what about just mostly vegetarian diets or mostly raw vegan diets? That was the subject of my 4-min. follow-up video Fibromyalgia vs. Mostly Raw & Mostly Vegetarian Diets. How plant-based does one’s diet need to be to effectively treat fibromyalgia?

The vegan “Hallelujah diet” appeared to perform the best. When the study was reviewed in the journal Current Rheumatology Reports, the editor noted that it had the most impressive results of any recent fibromyalgia treatment study—three times the improvement that the Mayo Clinic was reporting for their fibromyalgia program. True, it was not a double-blind placebo controlled study, but it’s difficult to design such a study when it comes to diet, since people tend to notice when they’ve been switched to a vegan diet!

Raw vegan diets seemed to help; mostly raw vegan diets seemed to help. Eating vegetarian worked; but what about just eating mostly vegetarian? That was the most recent trial. Fourteen fibromyalgia sufferers were put on a mostly vegetarian Mediterranean diet for two weeks and unfortunately did not see significant improvement.  Maybe the researchers didn’t give it enough time?

Other inflammatory conditions have been successfully treated with semi-vegetarian “flexitarian” diets, though, for example, Dietary Treatment of Crohn’s Disease. Cutting down on meat may also help reduce the risk of cataracts (Preventing Cataracts with Diet), obesity (Thousands of Vegans Studied), hypertension (Uprooting the Leading Causes of Death), metabolic syndrome (Metabolic Syndrome and Plant-Based Diets), and diabetes (How to Prevent Diabetes), though there does appear to be a stepwise drop in risk as one’s diet gets more and more centered around plant foods.

The bottom line is that the best science to date suggests a plant-based diet in its many forms, may help people with fibromyalgia. Just because it’s the best science we have, though, doesn’t mean it’s necessarily very good science. These were all small, poorly controlled, relatively short-term studies—but what’s the downside to giving it a try? Dietary surveys show that people with chronic widespread pain syndromes tend to eat pretty crappy diets, which helps explain their higher rates of other chronic diseases such as cancer and cardiovascular disease. Even if a healthy diet doesn’t help their fibromyalgia symptoms, at least it may prevent them from falling ill with something else. The last thing someone who feels miserable all day needs is another disease.

Why do plant-based diets help with chronic pain conditions? There may be a number of reasons why vegetarians only have about half the odds of being on painkiller drugs (see Say No to Drugs by Saying Yes to More Plants). Potentially inflammatory compounds in animal products include Neu5Gc (The Inflammatory Meat Molecule Neu5Gc), endotoxins (The Exogenous Endotoxin Theory), and animal proteins (Diet & Rheumatoid Arthritis).

On the other hand maybe the potassium in plant foods modulates adrenal function? See my video Potassium and Autoimmune Disease. If it is the Anti-Inflammatory Antioxidants, then that could certainly help explain it. See Antioxidant Power of Plant Foods Versus Animal Foods. Either way, I would recommend trying giving a aspartame-free plant-based diet a try (see Aspartame-Induced Fibromyalgia).

-Michael Greger, M.D.

PS: If you haven’t yet, you can subscribe to my videos for free by clicking here and watch my full 2012 – 2015 presentations Uprooting the Leading Causes of Death, More than an Apple a Day, From Table to Able, and Food as Medicine.

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