{"url":"https://whatshealthyandwhy.com/multiple-sclerosis/natural-support","path":"/multiple-sclerosis/natural-support","alternates":{"json":"https://whatshealthyandwhy.com/api/articles/multiple-sclerosis/natural-support.json","markdown":"https://whatshealthyandwhy.com/multiple-sclerosis/natural-support.md"},"topic":{"slug":"multiple-sclerosis","name":"Multiple Sclerosis","url":"https://whatshealthyandwhy.com/multiple-sclerosis"},"slug":"natural-support","order":1,"title":"Natural Support Alongside Disease-Modifying Therapy","question":"Can vitamin D, diet, exercise and not smoking help people with multiple sclerosis?","answer":"Exercise, not smoking, diet and vitamin D likely help people with MS alongside medication, though only exercise has strong trial support.","description":"Evidence-based diet, vitamin D, exercise, and lifestyle strategies to reduce relapses, fatigue, and disability progression in multiple sclerosis","confidence":3,"confidenceNote":"Exercise has 50+ trials; vitamin D rests on observational and post-hoc data; the 87-person diet RCT was open-label and had no untreated control.","evidenceSummary":{"rctCount":3,"observationalCount":2,"metaAnalysisCount":0,"totalParticipants":"7,000+","replicated":true,"newestStudyYear":2021},"category":{"categoryTitle":"Your Body","categorySlug":"your-body","subcategoryName":"Body Systems","subcategorySlug":"systems","url":"https://whatshealthyandwhy.com/explore/your-body/systems"},"actions":["Do 2–3 moderate aerobic sessions a week (20–40 minutes) plus two resistance sessions, and pre-cool if heat worsens symptoms [3].","If you smoke, quit; smoking raises MS risk by about 50% and speeds progression, and quitting after diagnosis slows it [7].","Try a vegetable-dense whole-food diet (Swank- or Wahls-style); in an 87-person trial both cut fatigue over 12 weeks [5]."],"cautions":["These measures are adjuncts to disease-modifying therapy, not alternatives; discuss any change with your neurologist.","Test vitamin D before supplementing; doses of 10,000+ IU a day need calcium and 25(OH)D checks every 3–6 months.","Vitamin D protection is shown by observational and post-hoc data; definitive supplementation trial evidence is still pending [2]."],"simpleText":"Multiple sclerosis is an autoimmune disease in which the immune system attacks the myelin sheath that insulates nerve fibres in the brain and spinal cord, producing symptoms ranging from fatigue and tingling to vision loss and walking difficulty. Around 2.9 million people live with MS worldwide, and women are affected two to three times more often than men. While disease-modifying therapies are the foundation of modern MS care, an unusually strong body of research now shows that vitamin D status, diet, exercise, and avoiding tobacco can meaningfully shift the course of the disease — reducing relapse rates, fatigue, and long-term disability. [1] [2] These are not peripheral lifestyle choices; in MS they are part of treatment.","mediumText":"Why Lifestyle Matters in Multiple Sclerosis\n\nMS sits at an unusual intersection of genetics and environment. Identical-twin concordance is only around 25–30%, and risk maps strongly onto latitude, sun exposure, smoking history, body weight in adolescence, Epstein-Barr virus exposure, and dietary patterns. That means a substantial fraction of MS risk and progression is modifiable — and the same factors that predict who develops MS also influence how aggressively it progresses once diagnosed.\n\nThe targets supported by evidence:\n- Vitamin D status — low 25(OH)D levels precede MS onset and predict more relapses, more new MRI lesions, and faster disability accumulation\n- Tobacco smoke — both active and passive smoking raise MS risk and accelerate progression to secondary progressive disease\n- Dietary pattern — Mediterranean and Wahls-style elimination diets reduce fatigue and improve quality of life in randomised trials; high-vegetable/low-protein diets shift the gut microbiome and reduce relapse rates in pilot work\n- Exercise — supervised aerobic and resistance training improve walking, balance, fatigue, and likely have neuroprotective effects via BDNF and reduced neuroinflammation\n- Body weight in adolescence and early adulthood — childhood and adolescent obesity are independent risk factors; weight management remains relevant in adult disease management\n- Coffee consumption — heavy daily coffee intake is consistently associated with lower MS incidence in case-control studies\n\nVitamin D: The Single Strongest Modifiable Factor\n\nVitamin D has become the most-studied modifiable factor in MS, and the evidence has converged from several directions: epidemiology, prospective biobank studies, Mendelian randomisation, and intervention trials. People with the highest serum 25-hydroxyvitamin D levels have approximately half the risk of developing MS compared to those with the lowest levels, and once disease is established, higher 25(OH)D predicts fewer relapses, fewer gadolinium-enhancing MRI lesions, and slower disability progression. [1] [2]\n\nPractical approach for people with MS or strong family history:\n- Test before supplementing — aim for serum 25(OH)D in the 40–60 ng/mL (100–150 nmol/L) range; many MS clinicians push toward 50–80 ng/mL\n- Typical maintenance dose: 2,000–5,000 IU/day of vitamin D3, taken with a fat-containing meal for absorption\n- Higher doses (10,000+ IU/day) require monitoring — checking calcium and 25(OH)D every 3–6 months is standard\n- Pair with vitamin K2 (MK-7) — supports calcium being directed to bone rather than soft tissue; usually 90–180 mcg/day\n- Sunlight exposure matters too — UVB on bare skin is the natural source, and some of vitamin D's MS protection appears to come from non-D pathways activated by sunlight directly\n\nSee our vitamin D page for full detail on testing and dosing.\n\nDiet: Wahls, Swank, and Mediterranean Patterns\n\nThree dietary patterns have generated meaningful MS evidence: the Mediterranean diet, the Swank diet (very low saturated fat), and the Wahls protocol (modified paleolithic with elimination of grains, legumes, dairy, and eggs). The WAVES randomised trial directly compared Swank and Wahls in 87 people with relapsing-remitting MS and found both produced large, clinically meaningful reductions in fatigue and improvements in mental and physical quality of life over 12 weeks, with benefits maintained at 24 weeks. [5]\n\nCommon features that overlap across these patterns and seem to drive benefit:\n- Abundant vegetables and berries — 6–9 cups daily is the Wahls target; flavonoids and polyphenols modulate microglial inflammation\n- Oily fish and marine omega-3s — DHA and EPA reduce neuroinflammation and support remyelination signalling\n- Reduced ultra-processed food — emulsifiers, refined oils, and additives may worsen intestinal permeability and microbiome dysbiosis seen in MS\n- Reduced saturated fat from industrial sources — Swank's hypothesis from the 1950s\n- Elimination of gluten, dairy, and refined sugar in the Wahls model — anecdotally helpful for many; formal evidence remains pilot-level\n\nA 12-month Italian pilot trial in relapsing-remitting MS comparing a high-vegetable/low-protein diet to a Western-style diet found that the plant-rich pattern increased anti-inflammatory gut bacteria, lowered IL-17-producing T cells by 28%, and reduced relapse rate from 0.5 to 0.1 episodes per person-year. [8]\n\nSee our Mediterranean diet and omega-3 pages for foundational guidance.\n\nExercise: Symptomatic Benefit and Likely Neuroprotection\n\nFor decades people with MS were advised to avoid exertion because of heat-induced symptom worsening (Uhthoff's phenomenon). That advice is now reversed: structured exercise is one of the most effective interventions for MS-related fatigue, walking impairment, balance, and depression, and emerging evidence suggests genuine neuroprotective effects via BDNF elevation and reduced neuroinflammation. [3]\n\nEvidence-supported approach:\n- Aerobic exercise at moderate intensity (60–80% of max heart rate): 2–3 sessions per week, 20–40 minutes — recumbent cycling, swimming, brisk walking, or elliptical work well for those with balance issues\n- Resistance training twice weekly: builds muscle reserve, improves walking speed, and counters the deconditioning that follows MS-related fatigue\n- Aquatic exercise is particularly useful for those with heat sensitivity or balance impairment\n- Yoga and tai chi improve balance, fatigue, and quality of life with strong RCT support — see our yoga and tai chi pages\n- Avoid heat-trapped exhaustion — pre-cooling with a cold shower, cooling vests, or exercising in air-conditioned spaces preserves performance\n- Start slowly and progress gradually; consistency beats intensity in MS rehabilitation\n\nStop Smoking — Active and Passive\n\nSmoking is the single most-established modifiable risk factor for MS that you can act on immediately. Active smokers have roughly 50% higher risk of developing MS, and once MS is diagnosed, smokers progress to secondary progressive MS faster, accumulate disability more quickly, and have more brain atrophy on MRI. [7] Even passive smoke exposure raises risk. The interaction with HLA-DRB1 risk genes makes smoking particularly dangerous for genetically susceptible individuals.\n\nQuitting at any age and disease stage produces benefit. The MS-specific reason to prioritise quitting: smoking interacts with EBV infection and HLA risk alleles to push the immune system toward the autoreactive T-cell phenotype that drives MS lesions. Removing smoke exposure removes one of the few amplifiers of that process under direct personal control.\n\nOther Strategies Worth Considering\n\nCoffee: Heavy coffee drinkers (more than 900 mL/day, roughly four cups) had approximately 30% lower MS risk in two independent population-based case-control studies. [6] Caffeine has direct effects on adenosine receptors and proinflammatory cytokine production. Whether established MS benefits from coffee is less clear, but for those without contraindications, moderate intake appears safe.\n\nSalt: Animal models show high dietary salt drives Th17 differentiation and worsens experimental autoimmune encephalomyelitis. Human evidence is mixed but suggests reducing sodium toward general dietary guidelines (under 2,300 mg/day) is sensible.\n\nBody weight: Obesity in adolescence is an independent MS risk factor, and adipose tissue secretes leptin and inflammatory cytokines that worsen autoimmunity. Maintaining a healthy weight is a reasonable adjunctive goal.\n\nSleep and stress: Both poor sleep and chronic stress increase relapse risk and worsen fatigue. Cognitive behavioural therapy for MS-related fatigue and insomnia has reproducible benefit.\n\nGut microbiome support: People with MS have less microbial diversity and reduced short-chain fatty acid producers compared to healthy controls. High-fibre intake, fermented foods, and avoiding unnecessary antibiotics support a healthier microbial community. See our gut-brain axis page.\n\nEpstein-Barr virus: EBV is now established as a near-necessary cause of MS based on the Bjornevik 2022 Department of Defense study. There is no proven prevention yet, but maintaining a robust immune system through vitamin D, sleep, and stress management is reasonable.","deepText":"Evidence Review\n\nVitamin D Status and MS Risk: Munger 2006\n\nMunger and colleagues conducted a prospective nested case-control study using stored serum samples from over 7 million US military personnel in the Department of Defense Serum Repository, published in JAMA. [1] They identified 257 MS cases diagnosed between 1992 and 2004 and matched each to two controls by age, sex, race, and date of serum collection. Pre-illness serum 25(OH)D levels were measured.\n\nAmong white participants, MS risk decreased significantly with increasing 25(OH)D level. The odds ratio for the highest quintile (25(OH)D above approximately 99 nmol/L) compared to the lowest was 0.38 (95% CI 0.19–0.75, p for trend = 0.006) — a 62% lower risk of MS in those with the highest pre-disease vitamin D status. The association was strongest for samples drawn before age 20, suggesting adolescent vitamin D status may be particularly important for setting lifetime MS risk. No association was seen in Black or Hispanic participants, who had uniformly lower 25(OH)D distributions; this complicates interpretation but does not undermine the core finding in the larger white subgroup.\n\nThis was a landmark study because it used pre-disease serum samples, ruling out reverse causation (the concern that established MS could lower vitamin D rather than the reverse). It transformed vitamin D from a candidate risk factor into one of the central modifiable factors in MS.\n\nVitamin D Comprehensive Review: Sintzel 2018\n\nSintzel, Rametta, and Reder synthesised the vitamin D and MS literature in Neurology and Therapy, integrating epidemiological, biological, and intervention-trial evidence through 2017. [2] The review documents:\n\n- Latitude gradient: MS prevalence rises sharply with distance from the equator, mirroring lower lifetime UVB exposure\n- Migration data: people who move from high-prevalence to low-prevalence countries before adolescence acquire the lower risk of their adopted country, and vice versa — implicating environmental exposure during childhood\n- Mendelian randomisation: genetic variants that lower 25(OH)D causally raise MS risk, supporting a causal interpretation rather than mere association\n- Post-hoc data from the BENEFIT and BEYOND phase 3 trials: in interferon-treated patients, those with higher 25(OH)D had fewer new MRI lesions and slower disability accumulation, with each 50 nmol/L increase in 25(OH)D associated with a 57% lower rate of new active lesions in BENEFIT\n- Immunological mechanisms: 1,25-dihydroxyvitamin D modulates dendritic cell maturation, increases regulatory T cells, suppresses Th17 differentiation, and reduces inflammatory cytokine production — pathways central to MS pathogenesis\n\nThe authors conclude that vitamin D status influences both MS risk and disease activity, while noting that definitive interventional RCT evidence remains pending. They support targeting 25(OH)D in the range that the strongest observational data identifies as protective (roughly 100–150 nmol/L) until larger trials provide further guidance.\n\nExercise Training: Motl and Pilutti 2012\n\nMotl and Pilutti reviewed the cumulative MS exercise literature in Nature Reviews Neurology, integrating data from over 50 randomised and quasi-randomised trials. [3] Their synthesis showed that exercise training improves:\n\n- Walking performance — measured by 6-minute walk distance and timed 25-foot walk\n- Aerobic capacity — VO2 peak rises with structured aerobic training\n- Muscle strength — both upper and lower extremity, particularly with combined aerobic-resistance protocols\n- Fatigue — perhaps the most disabling symptom in MS, consistently reduced\n- Quality of life and depression — mood improves alongside physical gains\n\nThey highlight several mechanistic threads beyond fitness: exercise raises BDNF and IGF-1, both implicated in remyelination and neuronal survival; reduces systemic and central inflammation; counteracts the cortical and grey matter atrophy that drives long-term disability; and may directly slow disease progression through neuroprotective adaptation. The review reframes exercise from \"safe to do despite MS\" to \"an integral component of MS management.\"\n\nPractical translation: 2–3 sessions per week of moderate-intensity aerobic exercise plus 2 sessions of resistance training is the dose at which most trials show benefit. Heat sensitivity must be respected with pre-cooling and proper environmental controls.\n\nWahls Protocol Pilot: Bisht 2014\n\nBisht and colleagues conducted a 12-month single-arm feasibility study in 20 people with secondary progressive MS at the University of Iowa, combining a modified paleolithic diet, neuromuscular electrical stimulation, stretching, and meditation. [4] All 20 participants completed the protocol — itself a notable feasibility finding for a complex multimodal intervention in disabled patients.\n\nFatigue Severity Scale scores fell significantly from a baseline mean of 5.7 to 3.32 by 12 months (p < 0.001) — a clinically meaningful drop from severe fatigue into a moderate range. Improvements were also observed in cognitive and emotional function, anxiety, depression, and quality of life. The intervention was well tolerated.\n\nThis was a small uncontrolled pilot, and the diet-stimulation-stretching-meditation bundle cannot separate which components drove benefit. But it provided the first formal feasibility evidence for the Wahls approach and seeded the larger WAVES randomised trial that followed.\n\nWAVES Randomised Trial: Wahls 2021\n\nThe WAVES (Wahls vs Swank Eating Strategy) trial is the largest randomised dietary trial in MS to date. [5] Eighty-seven people with relapsing-remitting MS were randomised to either the Wahls modified-paleolithic elimination diet or the Swank low-saturated-fat diet for 24 weeks, with primary endpoints of fatigue (Fatigue Severity Scale and Modified Fatigue Impact Scale) and quality of life (MS Quality of Life-54). …","deepTruncated":true,"references":[{"id":"1","title":"Serum 25-hydroxyvitamin D levels and risk of multiple sclerosis","authors":"Munger KL, Levin LI, Hollis BW, Howard NS, Ascherio A","year":2006,"journal":"JAMA","pmid":"17179460","url":"https://pubmed.ncbi.nlm.nih.gov/17179460/"},{"id":"2","title":"Vitamin D and Multiple Sclerosis: A Comprehensive Review","authors":"Sintzel MB, Rametta M, Reder AT","year":2018,"journal":"Neurology and Therapy","pmid":"29243029","url":"https://pubmed.ncbi.nlm.nih.gov/29243029/"},{"id":"3","title":"The benefits of exercise training in multiple sclerosis","authors":"Motl RW, Pilutti LA","year":2012,"journal":"Nature Reviews Neurology","pmid":"22825702","url":"https://pubmed.ncbi.nlm.nih.gov/22825702/"},{"id":"4","title":"A multimodal intervention for patients with secondary progressive multiple sclerosis: feasibility and effect on fatigue","authors":"Bisht B, Darling WG, Grossmann RE, Shivapour ET, Lutgendorf SK, Snetselaar LG, Hall MJ, Zimmerman MB, Wahls TL","year":2014,"journal":"Journal of Alternative and Complementary Medicine","pmid":"24476345","url":"https://pubmed.ncbi.nlm.nih.gov/24476345/"},{"id":"5","title":"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","authors":"Wahls TL, Titcomb TJ, Bisht B, Ten Eyck P, Rubenstein LM, Carr LJ, Darling WG, Hoth KF, Kamholz J, Snetselaar LG","year":2021,"journal":"Multiple Sclerosis Journal - Experimental, Translational and Clinical","pmid":"34377527","url":"https://pubmed.ncbi.nlm.nih.gov/34377527/"},{"id":"6","title":"High consumption of coffee is associated with decreased multiple sclerosis risk; results from two independent studies","authors":"Hedström AK, Mowry EM, Gianfrancesco MA, Shao X, Schaefer CA, Shen L, Olsson T, Barcellos LF, Alfredsson L","year":2016,"journal":"Journal of Neurology, Neurosurgery and Psychiatry","pmid":"26940586","url":"https://pubmed.ncbi.nlm.nih.gov/26940586/"},{"id":"7","title":"Smoking is a major preventable risk factor for multiple sclerosis","authors":"Hedström AK, Olsson T, Alfredsson L","year":2016,"journal":"Multiple Sclerosis Journal","pmid":"26459151","url":"https://pubmed.ncbi.nlm.nih.gov/26459151/"},{"id":"8","title":"Immunological and Clinical Effect of Diet Modulation of the Gut Microbiome in Multiple Sclerosis Patients: A Pilot Study","authors":"Saresella M, Mendozzi L, Rossi V, Mazzali F, Piancone F, LaRosa F, Marventano I, Caputo D, Felis GE, Clerici M","year":2017,"journal":"Frontiers in Immunology","pmid":"29118761","url":"https://pubmed.ncbi.nlm.nih.gov/29118761/"}],"wordCount":2948,"source":{"path":"src/content/topics/multiple-sclerosis/natural-support.md"},"citeAs":"“Can vitamin D, diet, exercise and not smoking help people with multiple sclerosis?.” What's Healthy and Why. https://whatshealthyandwhy.com/multiple-sclerosis/natural-support","notice":"General information backed by peer-reviewed research, not medical advice."}