A shocking health warning has been issued after 16 people were hospitalised in Spain from taking defective vitamin D tablets bought online. These weren’t just minor side effects—some patients developed acute kidney failure, a potentially life-threatening condition caused by excessive vitamin D intake.br br This video breaks down what happened, the dangers of vitamin D overdose, and why experts are urging people to stop self-prescribing supplements. Learn how too much of a “good” vitamin can turn deadly—and what you should do instead to stay safe.br WooGlobe Ref : WGA492988br For licensing and to use this video, please email licensing@wooglobe.