The claim that doctors are telling everyone to “stop taking vitamin D immediately” is misleading. Vitamin D is an important nutrient, and many people take supplements safely. The concern is mainly about excessive doses, especially when taken for long periods without monitoring.
Too much vitamin D can cause vitamin D toxicity, which usually happens because it raises calcium levels in the blood. Possible warning signs include:
- Nausea, vomiting, or loss of appetite
- High calcium levels can upset the digestive system.
- Extreme thirst and frequent urination
- Excess calcium can affect the kidneys and fluid balance.
- Weakness, fatigue, or confusion
- Elevated calcium may cause tiredness, trouble concentrating, or feeling unwell.
- Kidney problems
- Kidney stones, flank pain, or changes in urination can occur in some cases.
If you take vitamin D and experience these symptoms—especially if you use high-dose supplements—contact a healthcare professional for advice and possible blood tests (including calcium and vitamin D levels).
Do not stop a vitamin D supplement that was prescribed for a medical reason without discussing it with the prescriber. The safest approach is using an appropriate dose based on your needs, diet, sun exposure, and health status.