Magnesium supplements have rapidly become one of the biggest wellness trends on social media, with influencers and health creators promoting them as quick fixes for stress, anxiety, poor sleep, fatigue, muscle cramps, or headaches. From gummies and powders to sleep mocktails and calming nighttime drinks, magnesium is increasingly being marketed as a harmless daily wellness essential. However, doctors warn that the growing trend of self-prescribed supplementation carries hidden health risks.
The concern is that symptoms commonly blamed on magnesium deficiency are highly non-specific and can be linked to some underlying medical illnesses. Self-treating with supplements without identifying the real cause can delay proper diagnosis and treatment. We spoke to five top doctors who cleared the air about why you should not blindly follow social media trends.
According to Dr. Parinita, magnesium is often marketed as a harmless wellness product, but that does not mean it is safe for everyone. “In healthy individuals, small doses taken occasionally may not cause serious problems. Excess magnesium from supplements can lead to diarrhoea, nausea, low blood pressure, dizziness, and weakness. In people with kidney disease, magnesium can build up in the body and become dangerous because the kidneys may not be able to remove the excess efficiently,” she said.
“Many people start taking them based on vague symptoms, social media trends, or internet advice without proper evaluation. Excessive or unnecessary magnesium supplementation can be harmful, especially if taken for prolonged periods or in high doses,” said Dr. Chowdhury.
“One of the most common side effects of unnecessary magnesium supplementation is digestive discomfort. Many people experience loose motions, abdominal cramps, bloating, nausea, or vomiting, especially when high doses are taken,” said Dr. Parinita.
Dr. Chowdhury added, “Severe magnesium toxicity is uncommon but can occur, particularly in people with kidney disease, since the kidneys are responsible for clearing excess magnesium from the body,” he said.
“Not everyone needs supplementation. For most healthy individuals, magnesium requirements can usually be met through a balanced diet rich in nuts, seeds, legumes, whole grains, and leafy green vegetables. Supplements should ideally be taken only when there is a genuine medical need and after consulting a healthcare professional,” said Dr. Shruti.
“Patients with chronic gastrointestinal disease with malabsorption. Individuals who are currently taking some medications such as proton pump inhibitors, diuretics, or chemotherapy drugs. Individuals with diabetes that is not controlled, chronic alcoholism, or malnutrition. For some older people, a low diet is consistent. Even in these groups, supplementation should be timed and dosed, not ongoing,” Dr. Sethi added.
According to both Dr. Lekh Ram and Dr. Sethi, a balanced diet is the best way to get nutrition naturally. “A healthy and balanced diet generally provides enough magnesium for the body’s needs. Foods such as almonds, pumpkin seeds, spinach, beans, legumes, and whole grains are naturally rich sources of magnesium,” he said.
“Magnesium can increase the absorption of some medicines or decrease the effect of others. Hence, one should always talk to a doctor before taking magnesium supplements,” said Dr. Shruti.
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