Who should avoid taking magnesium?

Magnesium is an essential mineral with multiple benefits for muscles, bones, and the nervous system, but it’s not safe for everyone.

There are medical conditions and specific situations where supplementing with it might not be a good idea. In this post, we’ll let you know who should avoid magnesium according to experts at HSN.

Table with types of magnesium according to their bioavailability

People with severe kidney problems

Excess magnesium needs to be eliminated from the body, and this job mainly falls on the kidneys. However, when there’s kidney failure or chronic kidney disease, this process is compromised, which can cause a dangerous buildup of magnesium in the body, known as hypermagnesemia.

This imbalance can show up with severe symptoms like dizziness, low blood pressure, persistent fatigue, breathing difficulties, or irregular heartbeat. That’s why people with kidney conditions should avoid magnesium supplements, unless their doctor recommends and strictly supervises it.

Patients with specific heart diseases

Even though magnesium plays a vital role in keeping the heart healthy, supplementing isn’t always right for everyone. In people with conditions like arrhythmias or heart failure, this mineral can affect how certain medications work and cause unwanted effects.

For example, some treatments to control heart rhythm or blood pressure can have their effects amplified when combined with magnesium. This might lead to an excessive drop in blood pressure or unexpected changes in heart rate. In these cases, medical supervision is key to make sure magnesium brings benefits without risking cardiovascular health.

People with digestive sensitivity or intestinal diseases

For those with digestive sensitivity or diseases like irritable bowel syndrome (IBS) or inflammatory bowel disease (IBD), magnesium supplements can become a problem. Here, the digestive system’s ability to process magnesium might be affected, increasing the chances of discomfort like diarrhea, nausea, or abdominal pain.

Also, certain forms of magnesium, like oxide or citrate, have laxative properties that can worsen symptoms of these conditions. People with these issues should stick to dietary sources of magnesium or check with a doctor to pick a gentler supplement, like magnesium glycinate, for example.

Pregnant or breastfeeding women

Magnesium can be helpful during pregnancy and breastfeeding since it plays an important role in the health of both mom and baby. However, self-medicating with magnesium supplements during these stages can be risky if the dose isn’t controlled.

Too much magnesium during pregnancy could cause symptoms like diarrhea or low blood pressure, while during breastfeeding it might pass to the baby in unsafe amounts. That’s why women in these stages should avoid any supplementation without their doctor’s guidance and monitoring.

People on specific medications

Magnesium can interact with various medications, changing their effectiveness or increasing risks. For example, antibiotics like tetracyclines or fluoroquinolones can lose effectiveness when taken with magnesium, since it forms compounds that make absorption harder.

On the other hand, diuretics, especially potassium-sparing ones, can cause electrolyte imbalances when combined with magnesium, while blood pressure meds might boost magnesium’s effects and raise the risk of low blood pressure. In any case, it’s crucial to tell your doctor about any supplements you’re taking to avoid complications.

How to ensure safe and proper magnesium intake?

Even though magnesium is a safe and effective supplement in most cases, some people shouldn’t take it.

Checking with a specialist and recognizing that you might be one of those people who shouldn’t take magnesium is key to making sure this mineral doesn’t become a problem; on the contrary, the goal is for it to be a true ally for your health.

Bisglycinate Magnesium Albion™ (125mg Magnesium)

So if you’re thinking about adding magnesium to your diet, first check with a health pro to get advice on the right dose, type, and form for you. Also, if you’re looking for quality supplements that meet the highest standards, our magnesium section offers safe and reliable options to properly complement your diet.

Frequently asked questions

Can I take magnesium if I’m on omeprazole?

Yes, but it’s recommended to separate the intake by at least 2 hours, since stomach protectors can reduce mineral absorption.

Can magnesium affect the thyroid or interact with hypothyroidism medications?

Magnesium itself doesn’t directly affect the thyroid gland. However, it can interfere with levothyroxine absorption (a common hypothyroidism medication), just like calcium does.

What’s the safest form of magnesium for sensitive stomachs?

Bisglycinate or Magnesium Glycinate is the most tolerated form because it doesn’t have a laxative effect.

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