5.0/ 7 average rating with 1142 reviewsforVitamin D3

Vitamin D3

(Cholecalciferol)

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Raises Vitamin D levels.

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Our bottom line

Vitamin D3 (Cholecalciferol) works well for vitamin D deficiencies and is available over the counter. It absorbs better than vitamin D2, but it's animal-based so vegetarians and vegans might not want to take it.

Quick facts about Vitamin D3
  • Drug class: Musculoskeletal
  • Rx status: Prescription or OTC
  • Generic status: Lower-cost generic available (cholecalciferol)

Upsides

  • Available in generic and over the counter.
  • Available in oral solution, tablet, and capsules.
  • You can take it as a once-a-day or once-a-week medication.
  • This version of vitamin D is better absorbed by the body than vitamin D2.
People’s experience with Vitamin D3

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Downsides

  • This is an animal-based version of vitamin D, so vegetarians and vegans may not be comfortable with taking this supplement.
How it works

Vitamin D3 (Cholecalciferol) is a form of Vitamin D. It raises Vitamin D levels in your blood. This in turn raises calcium levels in your blood by helping you absorb more calcium from food in your intestine.

Quick facts about Vitamin D3
  • Drug class: Musculoskeletal
  • Rx status: Prescription or OTC
  • Generic status: Lower-cost generic available (cholecalciferol)

Used for

Dosage forms

  • Pill
People’s experience with Vitamin D3

1142reviews so far. What do you think?

Worth itNot sureNot worth it
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Side effect rates for Vitamin D3 (Cholecalciferol)

From clinical trials of Vitamin D3 / All (Side effects from overdosage)

Risks and Warnings for Vitamin D3 (Cholecalciferol)

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  • People on Vitamin D3 (Cholecalciferol) who take more than the recommended dose can have high calcium in the blood, which can be dangerous in the kidneys. If you notice a metallic taste in your mouth, muscle or joint pain or a bad headache, talk to your doctor. Keep the amount of calcium you eat the same from day to day.

Common concerns from people taking Vitamin D3 (Cholecalciferol)

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Pregnancy
Pain
  • Call your doctor if you notice a metallic taste in your mouth, muscle or joint pain, headache or sleepiness.