The FNTP Brief Guide to Multiple Sclerosis

A woman with multiple sclerosis working on mobility with a physiotherapist

Multiple sclerosis (MS) is a condition affecting the brain and spinal cord. The immune system damages myelin, the protective covering around nerve fibres, disrupting communication between the central nervous system and the rest of the body. The pattern and severity differ considerably between individuals.

Symptoms can include fatigue, blurred or painful vision, altered sensation, weakness, balance problems, muscle stiffness or spasms, bladder difficulties and changes in memory or concentration. Some people experience relapses followed by remission; others have symptoms that gradually progress.

These symptoms have many possible causes, so diagnosis requires neurological assessment rather than self-testing. It may involve MRI scans, examination, blood tests and sometimes lumbar puncture. Sudden new neurological symptoms still need urgent assessment because stroke and other conditions must be considered.

Treatment and rehabilitation

There is currently no cure, but disease-modifying therapies can reduce relapses and slow aspects of progression for suitable people. Steroids may shorten a significant relapse, while medicines and rehabilitation can address pain, spasms, bladder symptoms and fatigue. MS nurses, neurologists, physiotherapists, occupational therapists and other professionals often work together.

Heat can temporarily worsen symptoms in some people. Planning activity, cooling strategies and regular rest can help, while individually adapted exercise supports strength, mobility, mood and cardiovascular health.

Food and nutrition

No diet has been proved to cure MS. A balanced pattern rich in vegetables, fruit, whole grains, legumes, fish and unsaturated fats supports general health and helps manage cardiovascular risk. Very restrictive “MS diets” can lead to deficiency and should be discussed with an MS dietitian.

Vitamin D status has a recognised association with MS risk and disease activity, but this does not mean very high doses are safe or effective. Testing and guidance from the MS team are preferable. Smoking is associated with worse outcomes, so cessation support is important.

Useful supplements

Supplements should be selected for the individual rather than used automatically. Product directions and advice from an appropriately qualified professional should take precedence over general information.

Supplement Effects
Vitamin D3 Corrects deficiency and supports bone, muscle and immune function. Low vitamin D is associated with MS, but high-dose treatment requires medical supervision.
Krill oil or marine fish oil Provides essential omega-3 fats used in nerve-cell membranes and signalling. Evidence that supplements alter MS progression is insufficient.
Evening primrose oil Supplies gamma-linolenic acid, an omega-6 fat used in cell membranes and signalling compounds. It has not been shown to treat MS.
Magnesium citrate Contributes to normal nerve signalling, muscle function and energy metabolism. It may help when intake is low, while excess commonly causes diarrhoea.
Vitamin B complex B vitamins, particularly B1 and B12, support normal nerve function and energy metabolism. Vitamin B12 deficiency can mimic or compound neurological symptoms and should be properly investigated.

Supplements can interact with medicines or complicate blood-test interpretation. They should complement an evidence-based treatment plan, not delay disease-modifying therapy.

Looking for personalised nutrition and lifestyle support? An FNTP member may be able to help you explore an approach suited to your individual needs. Find an FNTP practitioner.

This article is for general education and does not replace individual medical advice, diagnosis or treatment.

Scroll to Top