Vitamin D3

Medically Reviewed by Dr. Harshi Dhingra, M.D.

Last Reviewed: Feb 28, 2023

Pros & Cons


Vitamin D3 Pros and Cons

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  • Vitamin D3 (cholecalciferol) is more effective in raising vitamin D blood levels compared to vitamin D2 (ergocalciferol).
  • Vitamin D supplements are available over-the-counter.
  • You can take vitamin D supplementation in various forms like tablets, capsules, gummies, and liquid drops. 
  • A once-weekly high-dose vitamin D capsule can be taken to address severe vitamin D deficiency if advised by your healthcare provider.

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  • Some vitamin D supplements are animal based and may not be suitable for vegetarians and vegans.
  • Dietary supplements like vitamin D3 are not usually covered by health insurance.
  • Too much vitamin D can cause adverse effects, which can take several months to reverse even after stopping vitamin D supplementation.