“Can the Wahls protocol put MS in remission?”

The bottom line

Small randomized trials suggest possible improvements in fatigue and quality of life, but the Wahls protocol has not been shown to put MS into remission or prevent disability.

Why people are talking about it

Physician Terry Wahls developed the protocol after her own experience with MS and popularized it through books and public talks. Her recovery story attracts attention, but an individual experience involving several treatments cannot establish what the diet itself does.

What the research says

Irish and colleagues' 2017 randomized pilot assigned 34 people with relapsing-remitting MS to a modified Paleolithic diet or their usual diet, but only 17 completed the study. Among completers, the intervention group showed improvements in fatigue and some quality-of-life and hand-function measures, although substantial attrition limits confidence. The WAVES randomized trial assigned 87 people with relapsing-remitting MS to the Wahls elimination diet or the low-saturated-fat Swank diet for 24 weeks. Both groups reported clinically meaningful within-group improvements in fatigue and quality of life, and neither significantly improved six-minute walking distance at 12 weeks. Because WAVES lacked a concurrent usual-diet control and participants knew their diet assignment, it cannot cleanly separate dietary effects from expectations, support or other changes. These studies assessed symptoms rather than establishing prevention of relapses, MRI lesions or long-term disability.

What we don't know yet

It remains unclear whether the specific food exclusions offer benefits beyond a less restrictive, nutritionally balanced diet. Larger independent trials with longer follow-up are needed to determine whether any symptom benefits persist and whether MS disease activity changes.

Questions to bring to your neurologist

• Could a less restrictive dietary approach address my fatigue and general health just as well?
• Can you refer me to a dietitian to check nutritional adequacy and unintended weight loss?
• How will we monitor my MS activity while I continue my disease-modifying therapy?

Sources

1. Randomized control trial evaluation of a modified Paleolithic dietary intervention in the treatment of relapsing-remitting multiple sclerosis: a pilot study (RCT, 2017)
2. Impact of the Swank and Wahls elimination dietary interventions on fatigue and quality of life in relapsing-remitting multiple sclerosis: The WAVES randomized parallel-arm clinical trial (RCT, 2021)
3. Dietary Approaches to Treat Multiple Sclerosis-Related Fatigue Study (Registry, 2016)