Magnesium for Restless Legs: Do Cream, Spray and Glycinate Work? (UK)

Magnesium cream, spray, tablets or a drink: which fits your routine?

No form of magnesium is proven for restless legs, so choose by routine and what the label tells you. Checked against our product page in October 2026.

Option	What it is	How people use it	What to check
Evopure Magnesium Glycinate Sleep Complex	Berry drink powder: magnesium bisglycinate and citrate, 290mg magnesium per 4.75g scoop	Stirred into hot or cold water about 30 minutes before bed	Also glycine, L-theanine and four herbal extracts
Magnesium tablets or capsules	One form, such as glycinate, citrate or oxide	Swallowed with water	We don’t make these. Check the magnesium per tablet, not the compound weight
Magnesium cream, lotion or gel	A moisturiser with magnesium salt, usually chloride	Massaged into calves and thighs in the evening	We don’t make one. The amount absorbed is unknown; patch test first
Magnesium oil spray	Magnesium chloride dissolved in water	Sprayed on and rubbed in	We don’t make one. Can sting or itch, so avoid broken or freshly shaved skin

How to compare value: compare the cost per serving and the actual magnesium in it, not the compound weight. A 4.75g scoop of our Sleep Complex gives 290mg of magnesium, about 30 servings a pack. Subscribe and Save lowers the price of every order, and you can skip, pause or cancel any time.

What you get with Evopure:

• Made in the UK, vegan and alcohol-free.
• Tracked Royal Mail delivery across the UK, dispatched the same day if you order before 3pm Monday to Thursday (delivery details). Unopened, unused items can be returned within 14 days (returns policy).

It’s a food supplement, not a medicine, and it isn’t a treatment for restless legs syndrome. Magnesium contributes to normal muscle function and to a reduction of tiredness and fatigue. If you’d like magnesium in your wind-down, try the Magnesium Glycinate Sleep Complex, starting with a third of a scoop, and ask your GP about an iron test too. Adults only.

Magnesium cream for restless legs: does it work?

There’s no good evidence that it does. We searched PubMed in October 2026 and found no trial of a magnesium cream, lotion, spray or bath for restless legs syndrome. The bigger question is whether enough gets through your skin to matter.

So most of the magnesium in a cream probably stays on the surface of healthy skin. Walking, stretching or massaging your legs when symptoms start, and a warm bath or heat pads before bed, are all on the NHS self-help list, and rubbing in a cream is a leg massage. Any plain moisturiser or massage oil gives you that part.

How to use magnesium cream for restless legs

iIf you want to try one, patch test a small area first. In the evening, massage it into your calves and thighs with firm strokes for a few minutes, then stretch. If you’re pregnant, check with your midwife first.

Best magnesium cream for restless legs: what to check

We don’t sell one, so this is a neutral checklist:

• Ignore “restless legs” on the label. There are no authorised health claims for magnesium on the skin, so names that promise relief are marketing.
• Cream over spray if you sting easily. The cream base cushions the salt.
• Short ingredient list, low fragrance if your skin is sensitive or you’ll use it nightly.
• Price per use, not “mg per pump”. The magnesium on the label is what goes on your skin, not what your body absorbs.

Restless leg creams without magnesium

Some creams sold for restless legs skip magnesium and use menthol, essential oils such as lavender, or homeopathic ingredients. None is recommended by the NHS or NICE for restless legs, and we found no published trials of them. A cooling menthol rub may feel pleasant, but see your GP if symptoms keep you awake.

More detail: what’s in magnesium creams and how to choose one, do Epsom salt baths work?, magnesium flakes and, for aching muscles after exercise, magnesium for muscle pain.

Magnesium spray for restless legs

Magnesium spray, often called magnesium oil, is magnesium chloride dissolved in water. It faces the same skin barrier as a cream, and there are no trials of it for restless legs.

• Where to spray: calves and thighs, then rub it in. Feet are popular, but there’s no evidence they absorb more.
• How many sprays: follow the label, often around 10.
• Tingling or itching is common. Rinse it off if it stings, and avoid broken or freshly shaved skin.

Our magnesium spray guide covers how much magnesium a spray contains and who should avoid it, and the BetterYou magnesium guide compares the best-known UK sprays.

Does magnesium help restless legs?

The honest answer is that nobody knows for sure. Restless legs syndrome (RLS) is a strong urge to move your legs, usually when you’re resting in the evening or at night, often with tingling, throbbing or itching. Magnesium is often suggested for it, partly because it’s also popular for leg cramps.

Comparing brands? See our best magnesium supplement UK guide.

A 2019 systematic review searched for every study of magnesium for RLS or periodic limb movements and found just eight with useful data. Only one was a randomised controlled trial, and it didn’t find a significant effect, although it may have been too small to detect one. The rest were small case series or single case reports, and the reviewers couldn’t conclude whether magnesium works or who might benefit.

Since then, two small studies have looked more promising:

A 2024 review of supplement trials in RLS counted that 2022 trial as encouraging, but rated half the trials at high risk of bias.

So the picture is weak and mixed: no large, well-controlled trial has tested magnesium for RLS yet. Many people still report that magnesium in the evening helps them, and it’s a low-risk thing to try at sensible doses. But if your intake is already adequate, extra magnesium is unlikely to fix RLS, and iron deserves a look first.

If it’s a single jolt as you drift off rather than an urge to move, it’s more likely a hypnic jerk; see hypnic jerks.

Magnesium glycinate for restless legs: the best form to try?

Magnesium glycinate is the form most people reach for at night, but no restless legs trial has tested it. It’s well absorbed, gentle on the stomach and less likely to send you to the loo than citrate or oxide.

No form of magnesium is proven for RLS. If you want to try it, choose a well-absorbed form you’ll tolerate and take it consistently:

• Form: glycinate is gentle on the stomach and suits an evening routine; citrate is well absorbed but can loosen stools. The 2024 pilot study used citrate and the 2022 trial used oxide, so there’s no evidence that one form beats another for RLS. See magnesium glycinate, magnesium citrate and types of magnesium.
• Read the label: “1,000mg magnesium glycinate” usually means the whole compound, which is only about a seventh magnesium, so check the figure for magnesium itself. Glycinate and bisglycinate are the same thing; see magnesium glycinate vs bisglycinate.
• Amount: the recent studies used 200 to 250mg a day. The NHS says 400mg or less a day from supplements is unlikely to cause harm, and that higher doses for a short time can cause diarrhoea.
• Timing: in the evening, an hour or two before bed.
• How long: the studies measured results at 8 weeks, and the 2022 trial saw no difference after one month, so give it about two months and keep a symptom diary.
• Kidney problems: speak to your GP first.
• Other medicines: check with a pharmacist before adding any supplement.

Our Magnesium Glycinate Sleep Complex combines bisglycinate and citrate with glycine, L-theanine and botanicals, giving 290mg of magnesium per serving as a warm evening drink. Magnesium contributes to normal muscle function. See also magnesium for sleep.

Is restless legs caused by low magnesium?

There’s no good evidence that it is. A small 2007 study measured magnesium in the blood and spinal fluid of people with RLS and concluded that magnesium is unlikely to play a major role in causing it.

NICE’s guidance for GPs says most people with RLS have no clear underlying cause, but the brain chemical dopamine and the way the body handles iron are both involved. Up to half of people with RLS have a family history of it. It is also linked with pregnancy, iron deficiency and advanced kidney disease (around 1 in 5 people on dialysis has it).

Low magnesium is still worth ruling out if you have other signs or a limited diet. Adults need 270mg (women) to 300mg (men) a day, and most people can get this from food such as spinach, nuts and wholemeal bread. See signs of magnesium deficiency.

Iron: the thing to check first

Low iron is one of the best-known triggers of restless legs, including in pregnancy. NICE notes that iron deficiency is found in about 1 in 4 people with RLS, and that low iron levels in the brain are thought to affect dopamine, which is involved in RLS symptoms.

A 2019 Cochrane review of 10 trials (428 people) concluded that iron treatment probably improves restlessness and RLS severity compared with placebo. Because of this, GPs are advised to offer iron to people with RLS whose ferritin (iron stores) is below about 50 to 75 micrograms per litre, even without anaemia. If you have RLS, ask for your actual ferritin number rather than just whether it’s “normal”.

• The test: NICE recommends a full iron check (ferritin, total iron-binding capacity and transferrin saturation), ideally taken in the morning after an overnight fast. Your GP may also check kidney function, thyroid, blood sugar, folate and vitamin B12.
• Don’t self-prescribe iron. Too much iron is harmful, so take it only if a blood test shows you need it, and follow your GP’s advice on dose and how long.

See iron deficiency symptoms and iron tablets: who needs them and how to take them.

Restless legs or leg cramps?

The two are often confused, and many people searching for magnesium for restless legs actually have night-time cramps. They feel quite different:

If it’s cramps, see leg cramps at night and magnesium for cramps. Small, flickering movements under the skin are different again; see muscle twitching.

Restless legs in pregnancy

Restless legs are very common in pregnancy. About 1 in 5 pregnant women get them, most often in the third trimester, and the NHS says symptoms usually stop after the birth.

• Check your iron. Iron deficiency anaemia can cause RLS. Iron supplements may help if you’re low, but check with your midwife or GP first.
• Magnesium: Tommy’s says some people find it helpful, but research is limited and inconclusive. Don’t start a supplement in pregnancy without asking your midwife. See magnesium in pregnancy.
• Medicines: NICE says RLS medicines are not recommended during pregnancy or breastfeeding, so self-help steps (below) come first.
• Know the warning signs of a blood clot. Throbbing or cramping pain, swelling, warm or red skin, or hard, tender veins in one leg need an urgent call to your GP or 111. Call 999 if you also have chest pain or breathlessness.

We don’t recommend our products during pregnancy or breastfeeding.

Medicines and drinks that can make restless legs worse

According to NICE, some medicines and substances can bring on RLS or make it worse, including:

• antidepressants, including SSRIs, SNRIs and tricyclics
• antihistamines
• anti-sickness medicines such as metoclopramide and prochlorperazine
• some antipsychotics, lithium and some anti-epilepsy medicines
• beta-blockers
• a lot of alcohol, caffeine or chocolate

iIf your symptoms started or got worse after a new medicine, don’t stop taking it yourself: speak to your GP or pharmacist, who can check whether a change is an option. For drinks, see alcohol and sleep.

What helps restless legs (NHS)

The NHS and NICE recommend self-help first: walking, stretching or massaging your legs when symptoms start, a warm bath or heat pad before bed, a regular sleep routine (see sleep hygiene habits that work), and no caffeine after midday or alcohol in the 2 hours before bed. We cover the full list, plus compression socks, quinine, iron and prescription medicines, in our guide to what helps restless legs at night. If symptoms are frequent or severe, a GP can check for causes and may suggest medicines.

When to see a GP

The NHS advises seeing a GP if restless legs are stopping you sleeping, affecting your mental health, or haven’t improved with self-help. It’s also worth going if symptoms began in pregnancy (or see your midwife) or after starting a new medicine. A blood test can check your iron, kidney function and other causes, and your GP may suggest medicines or a referral if symptoms are moderate or severe.

Get urgent advice if one leg is swollen, red, warm or painful, as that can be a blood clot rather than RLS.

Related guides

• Sudden painful tightening is more likely a cramp. See leg cramps at night.
• Restless legs syndrome is one of the sleep conditions linked to sleepwalking.
• Do Epsom salt baths work?
• ADHD and sleep, as restless legs are more common with ADHD.
• Taking magnesium at night or in the morning.
• How much magnesium should I take? UK amounts and safe limits.
• How long magnesium takes to work for restless legs: weeks rather than nights.
• If large tablets are a struggle, a magnesium powder you drink is another option.