every symptom means vitamin D toxicity or independently change a medically prescribed high-dose treatment without contacting the clinician managing it.
Who Should Be Especially Careful?
Extra caution is sensible if you take multiple supplements containing vitamin D or calcium, use high-dose vitamin D for long periods, or have been specifically told that your calcium or kidney function needs monitoring.
People receiving high-dose treatment for a diagnosed deficiency should follow the dose and duration prescribed by their healthcare professional.
More isn’t necessarily better.
The Bottom Line
Vitamin D is important for
