Magnesium supplements are increasingly being sold in colorful gummy and jelly forms, making them look more like candy than a health product. Social media has also helped popularize the trend, with people consuming magnesium gummies to manage stress, sleep better or ease muscle discomfort.

But there is an important difference between a supplement and a sweet treat: more is not necessarily better.

Taking magnesium without understanding whether you actually need it, how much you are consuming or whether it is appropriate for you can cause unwanted side effects.

Too Much Magnesium Can Upset Your Stomach

Magnesium is an essential mineral involved in several important functions in the body. However, excessive magnesium from supplements can affect the digestive system.

According to Dr. Madhura Gopichand More, Associate Consultant in Internal Medicine at Yatharth Super Speciality Hospital, excessive magnesium intake can cause symptoms such as:

• Diarrhea

• Abdominal discomfort

• Stomach cramps

• Gas and bloating

The risk can depend on the amount consumed and the particular form of magnesium in the supplement.

How Much Magnesium Is Too Much?

The body needs magnesium, but the recommended amount depends on factors such as age and sex.

For adults, the tolerable upper intake level for magnesium specifically from dietary supplements and medications is generally 350 mg per day in the United States. This limit does not include magnesium naturally present in food.

That distinction is important because magnesium-rich foods such as nuts, seeds, legumes and leafy green vegetables are generally not subject to the same upper limit.

Taking large quantities of magnesium supplements, particularly repeatedly, can increase the risk of adverse effects.

In Extreme Cases, Magnesium Can Affect the Heart and Nervous System

Very high magnesium levels in the blood, known as hypermagnesemia, are uncommon in healthy people but can become serious, particularly when the kidneys cannot effectively remove excess magnesium.

Severe magnesium toxicity can cause low blood pressure, weakness, confusion, changes in heart rhythm and problems with breathing.

This is why treating magnesium gummies like ordinary candy is not a good idea.

People With Kidney Problems Need Extra Caution

Your kidneys play an important role in removing excess magnesium from the body.

If kidney function is impaired, the body may have greater difficulty getting rid of excess magnesium. As a result, taking magnesium supplements without medical guidance can be particularly risky for people with kidney disease.

Anyone with an existing kidney condition should speak with a healthcare professional before taking magnesium supplements.

Gummies Can Also Mean Extra Sugar

Magnesium gummies are designed to taste pleasant, which can make them easier to consume than conventional tablets or capsules.

But some gummy supplements contain added sugars, syrups or other sweeteners.

If you eat more gummies than recommended because they taste like candy, you may also be consuming unnecessary calories and added sugar.

Regularly exposing your teeth to sugary foods and supplements can also contribute to tooth decay.

The exact nutritional content varies considerably between products, so checking the label is important.

Don't Take Magnesium Just Because It's Trending

One of the biggest problems with health trends on social media is that they can make supplements appear universally beneficial.

Someone might claim that magnesium gummies helped them sleep better or reduced their muscle cramps. That doesn't automatically mean you need magnesium or that the same supplement will have the same effect on you.

Sleep problems, fatigue, muscle cramps and stress can have many different causes.

Taking a supplement without addressing the underlying reason may simply delay appropriate evaluation.

Food Can Be a Good Source of Magnesium

For people who need more magnesium in their diet, naturally magnesium-rich foods can be a useful option.

These include:

• Spinach and other leafy green vegetables

• Almonds

• Cashews

• Pumpkin seeds

• Beans and other legumes

• Whole grains

• Some dairy products

A balanced diet can provide magnesium along with protein, fibre, vitamins and other nutrients.

Check the Label Before Taking a Supplement

If you are considering a magnesium supplement, don't judge the product by the number of gummies in the bottle or how attractive the packaging looks.

Check the label for the amount of elemental magnesium provided per serving.

Also check how many gummies constitute one serving. Eating two or three gummies because they look like candy can unintentionally increase your magnesium intake beyond the recommended serving.

When Should You Talk to a Doctor?

Consider getting professional advice before taking magnesium supplements if you:

• Have kidney disease

• Take regular prescription medicines

• Are pregnant or breastfeeding

• Have persistent muscle cramps

• Have ongoing digestive problems

• Are experiencing unexplained fatigue or sleep problems

A doctor or qualified healthcare professional can help determine whether supplementation is appropriate and what dose may be suitable.

Bottom Line

Magnesium is an essential mineral, but magnesium gummies should not be treated like ordinary candy.

Taking excessive amounts of supplemental magnesium can cause diarrhea and stomach discomfort, while very high levels can become dangerous, particularly in people with impaired kidney function.

If you're considering magnesium because of poor sleep, stress, fatigue or muscle cramps, don't simply follow a social-media trend. Check your diet, read the supplement label carefully and speak with a healthcare professional if supplementation is actually necessary.

The fact that a supplement looks and tastes like candy doesn't make it safe to eat like candy.