Overview
- Dr Suraj Kukadia, known as Dr Sooj, cautioned on TikTok that prolonged high-dose vitamin D can make bones more brittle.
- The NHS advises most people who supplement to take 10 micrograms daily during autumn and winter.
- Officials set upper limits of 100 micrograms a day for adults and 11–17-year-olds, 50 micrograms for ages 1–10, and 25 micrograms for infants under 12 months.
- Excess intake over time can cause hypercalcaemia, which may weaken bones and damage the kidneys and heart.
- Sunlight does not cause vitamin D overdose, diet can help meet needs, and people with specific conditions should seek clinical advice.