Despite the widespread use of Epsom salt as a quick remedy for constipation and muscle pain, health experts warn against considering it a safe substitute for magnesium supplements. Its active ingredient, magnesium sulfate, may not be absorbed sufficiently, and excessive use can lead to serious side effects, including heart disturbances and magnesium toxicity.
A report published by Verywell Health reviewed the benefits and uses of Epsom salt, as well as the risks of overuse and the safe dosages that should be adhered to.
Details of the Issue
There are several reasons why replacing magnesium supplements with Epsom salt is unsafe. When taken orally, Epsom salt acts as a laxative that aids in bowel movements; this means that part of its active ingredient (magnesium sulfate) is not absorbed in the body. Therefore, it may not provide a consistent daily dose.
Epsom salt should not be taken for several consecutive days, as it may harm the digestive system and other bodily systems. Regular use can lead to stomach pain, chronic diarrhea, electrolyte imbalance, and heart rhythm disturbances.
Background & Context
Epsom salt contains a high amount of magnesium in each dose. Although some of it may be lost due to its laxative effect, the remaining quantity can accumulate in the body, especially in individuals with impaired kidney function, with the risk of toxicity even in healthy individuals.
Epsom salt can be mixed with water and consumed to treat constipation, or used topically by soaking in warm water or applying it to the skin with a cloth. Additionally, magnesium sulfate, the active ingredient in Epsom salt, is used in some emergency medical situations, such as treating severe asthma attacks or certain heart rhythm disorders, under medical supervision.
Impact & Consequences
A teaspoon of Epsom salt contains about 495 milligrams of magnesium, which exceeds the safe upper limit for daily consumption in adults. Guidelines vary by product, but some types recommend adults take one to three teaspoons mixed with water, up to twice daily for treating constipation.
It is important to note that the absorption of magnesium sulfate in Epsom salt is lower compared to other forms of magnesium such as citrate, lactate, or chloride, making it difficult to determine the actual amount absorbed by the body.
Regional Significance
Adults need between 310 and 420 milligrams of magnesium daily, which can be obtained from food and supplements. The upper limit for dietary supplements is about 350 milligrams per day. Gastrointestinal issues such as diarrhea, stomach pain, and nausea may arise from excessive magnesium intake.
Toxicity at very high doses can lead to vomiting, low blood pressure, difficulty breathing, kidney damage, heart disturbances, and even death in some cases. The kidneys remove excess magnesium from the body, so individuals with kidney failure are at greater risk for accumulation and serious complications.
In conclusion, individuals should exercise caution when using Epsom salt as a substitute for magnesium supplements and rely on medical consultation before making any health-related decisions.