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Magnesium supplements have surprising effects
Since it can be misleading to stick to a perfectly flat diet at all times, it’s not unusual for people (particularly as they age) to take certain supplements in an effort to ensure their bodies are getting the nutrients they need. And while supplements can help rectify some nutrient deficiencies, they can also lead to some concerns of their own.
Magnesium is a specifically tricky nutrient because it is involved in a combination of bodily functions. It can also be harmful if you have either too little or too much magnesium in your system, so finding that perfect proportion is key.
“Magnesium is a rarely considered mineral that plays multiple roles in the body—over 600 positions at the cellular level. While it is a small nutrient, a deficiency has significant implications,” says Trista Best, RD, a registered dietitian at Balance One Supplements.
Save reading for some surprising side effects caused by magnesium supplements, according to dietitians.
They can cause nausea, abdominal cramping, and loose bowel movements.
As an electrolyte, magnesium interacts with sodium levels in the body, which can cause some dramatic results. For example, “magnesium supplementation can stimulate the osmotic activity of unabsorbed salt in the small intestine and colon and also increase gastric motility,” says Mary Wirtz, RD, a registered dietitian, and consultant for Mom Loves Best. Gastric motility is the movement of food from the mouth all the way through your intestines, thus supplementing with magnesium can speed up digestion to the point that you may experience loose bowel movements.
But they can also make you regular.
“On top of a well-rounded diet, magnesium supplementation can deliver many advantages. If you struggle with constipation, magnesium may improve bowel regularity along with ample hydration,” shares Skylar Griggs MS, RD, LDN, recorded doctor and nutrition expert in the Boston area. “Specifically, magnesium citrate allows for the increase of water in the digestive tract and relaxation of the bowel muscles.”
They can improve your sleep quality and quantity.
“Along with fighting depression and lowering blood pressure, magnesium is linked to better sleep in both quality and quantity,” Best explains. “It does this by regulating and activating parasympathetic hormones and neurotransmitters that help the brain to enter a state of relaxation which is better prepared for rest. Magnesium also helps to control the symptoms of some conditions that interrupt sleep, like digestive disorders.” She adds: “Magnesium deficiencies almost always lead to or exacerbate insomnia”.
They can lead to magnesium toxicity.
According to Wirtz, taking magnesium supplements can also cause magnesium toxicity, which in turn can “result in various side effects such as low blood stress, vomiting, retention of urine, depression, and muscle weaknesses.”
However, Wirtz clarifies that this particular side effect is unusual and “generally associated with extreme amounts of supplementation and/or underlying impaired kidney function.”
They can help maintain healthy blood pressure.
“Magnesium is a mineral that plays an essential role in maintaining proper blood pressure and keeping our bones strong,” Griggs explains. “Some of the richest sources of dietary magnesium include dark leafy greens, salmon, nuts, and seeds.”
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They can interfere with specific medications.
If you’re taking medicines, especially antibiotics, Wirtz warns that you might want to run clear of magnesium supplements, because they can interfere with the medicine. “It’s always important to examine any specific nutrition supplements with your primary care provider,” she says.
Per a 2019 study, magnesium can have a negative effect on the absorption of some drugs, thus making them less effective. To err on the safe side, you can always supplement your diet through food sources of magnesium: 28 Best Foods to Eat for Magnesium.
Source: here
