Different noticed unintended effects within the examine included nausea, headaches, dizziness and choking.
The Harvard Medical College added: “Though the examine’s findings are annual estimates based mostly on ED [emergency department] visits to a comparatively small variety of hospitals, they mirror the rising use of dietary dietary supplements and micronutrients.
“These merchandise are extensively accessible with out prescription and are marketed as options or enhances to therapeutically prescribed pharmaceutical medication.
“Because of this, dietary or natural dietary supplements are extensively perceived to be pure and protected.”