From 2000 through 2014, there were 25,397 calls to poison control about overdoses of vitamin D (Figure). There were about 200 calls/year in the year 2000, which has increased to more than 4,000 calls per year recently. During that 15-year period there were only three serious cases of vitamin D toxicity, but no deaths.Do you know how many people died from Tylenol toxicity during that same time? About three thousand.Of the five serious medical cases involving vitamin D, two were from aspiration problems in infants when vitamin D drops went down the windpipe. The three serious adult cases were: 1) 55-year old male, chronic ingestion causing agitation, confusion, electrolyte abnormalities, renal failure and seizures; 2) 78-year-old male, chronic ingestion causing lethargy, electrolyte abnormalities, renal failure and respiratory depression; and 3) 53-year-old female with chronic ingestion causing elevated creatinine, renal failure, electrolyte abnormality and hypertension. Doses taken were not given.As far as suicide attempts, 106 people tried using overdoses of vitamin D to kill themselves, though none succeeded.