Mustard For Leg Cramps and Burns, Myth or Fact?

Sep 11 2013 - 7:16am
Mustard for leg cramps and burns

For some time, people have been spreading stories about how you can use mustard for leg cramps, burns, and back pain. Like many such health claims, the tales begin with a kernel of truth that becomes elaborated upon and distorted with each telling. So what about mustard?

Can mustard help your leg cramps?

First of all, what is mustard? A recipe for simple yellow mustard includes water, vinegar, mustard seeds, turmeric, and salt. Two teaspoons of mustard seed are an excellent source of the mineral selenium (which may help with asthma and rheumatoid arthritis, among other conditions), and a good to fair source of magnesium, omega-3 fatty acids, manganese, and phosphorus.

Football players and other athletes are sometimes told by their coaches to swallow a few spoons of mustard to fight off leg cramps. One reason mustard may be effective for this purpose is because the condiment contains acetic acid (in vinegar), which prompts the body to produce more acetylcholine. Acetylcholine is a neurotransmitter that prompts muscles to work.

For many people, however, leg cramps occur at night while they sleep and not while engaged in sports. Such cramps may be caused by dehydration (which can be associated with diarrhea, insufficient fluid intake, excessive sweating), a deficiency of calcium, potassium, and/or magnesium, or for reasons unknown.

So if you frequently experience leg cramps during the night, should you sleep with a squeeze bottle of mustard under your pillow? Anecdotal evidence says you may, as a search of the Internet finds many people who claim a few good squirts of mustard during the night sends their cramps off into the darkness.

Could it be the acetic acid or the magnesium in mustard that does the trick? Mustard does contain a fair amount of magnesium, which has been shown to help relieve leg cramps. In fact, one way to ward off these painful cramps is to be sure to include enough magnesium in your diet or to take magnesium supplements.

According to a recent report in the American Family Physician, nighttime leg cramps occur in up to 60 percent of adults. The authors noted that exercise, stretching or “medications such as magnesium, calcium channel blockers, carisoprodol, or vitamin B12” can be helpful.

Mustard for leg cramps may provide some relief, and if you try it and it doesn’t work, no harm is done. If it does, it may be for one of the reasons mentioned or it may be a placebo effect. Either way, ingesting yellow mustard (forget about spreading it on your legs!) is an inexpensive and safe attempt at managing leg cramps.

Read about natural remedies for muscle cramps

Other reported benefits of mustard
Can mustard be used to treat burns? You may be familiar with another natural remedy for burns—aloe vera gel—but here’s an example of how applying mustard topically rather than ingesting it may provide a health benefit.

If you look for published scientific proof that slathering on the yellow stuff will relieve the pain associated with minor burns, good luck. However, you will find many anecdotal stories about the wonders of mustard for burns.

Overall, the general consensus appears to be that mild to moderate burns—but not severe ones—are likely to respond to a layer of mustard and a covering with gauze or a bandage. Such a mustard treatment reportedly results in quick pain relief, reduced risk of blistering, and rapid healing.



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I had heard about using mustard for leg cramps some time back. This morning I was experiencing leg cramps along the side of my calf - I first tried my usual remedy (putting ice directly on the spot) but it was not stopping the cramp. I ran instead to the refrigerator and squirted out a large lump of plain yellow mustard and ate it. The cramp went away almost instantly!
Don't knock it till you have tried it. The sharp taste of a tablespoon or two of yellow mustard pales in comparison to the pain of the groin muscles which are seized.
Mustard definitely work doesnt matter if you eat it or rub it on the cramp u may smell lile a hotdog but it will relive the pain i used to coach football and we used it all the time
It works like a champ... I have a bottle bedside. I learned this trick on a business trip and have been doing it ever since.