About Vitamin D
Official resources
Fact sheets from the NIH Office of Dietary Supplements related to this ingredient group.
Dietary Supplement Label Database
Ingredient group data in NutriNav is aligned with the NIH Dietary Supplement Label Database (DSLD).
- DSLD group id
- 3566
At a glance
Approval status
supplement
Compare All Forms
10 formsCompare supplement forms of Vitamin D by absorption quality and what your body actually gets from each:
| Form | Absorption | Steps to absorb | Notes | Action |
|---|---|---|---|---|
|
Calcifediol (25-hydroxyvitamin D3)
Used to rapidly correct vitamin D deficiency; monitor serum...
|
— | — | — | View → |
|
Cholecalciferol (D3)
Essential for calcium absorption and bone health. Often supp...
|
— | — | — | View → |
Vitamin D (cholecalciferol)
|
— | — | — | View → |
Vitamin D (ergocalciferol)
|
— | — | — | View → |
Vitamin D (mixed)
|
— | — | — | View → |
Vitamin D (unspecified)
|
— | — | — | View → |
| Vitamin D2 | — | — | — | View → |
| Vitamin D3 | — | — | — | View → |
|
Vitamin D3 in oil (softgel/liquid)
Take with a meal containing fat for optimal absorption. Stor...
|
— | — | — | View → |
|
Vitamin D3 powder (often on carrier)
Essential for bone health and calcium absorption. Often supp...
|
— | — | — | View → |
Also appears on labels as
Additional names seen on supplement labels for forms of this ingredient (beyond the main aliases above).
1,25 dihydroxycholecalciferol, 25(OH)D3, 25-Hydroxyvitamin D3, 25-OH-D3, Activated 7-dehydrocholesterol, algal d, Calciol, cholecalciferol - from lanolin, cholecalciferol concentrate, cholecalciferol oil, Colecalciferol, d-3, d2, natural cholecalciferol, organic vitamin d3, Sunshine Vitamin, supplying 5000 iu vitamin d3, vegan vitamin d3, vit. d3, Vitamin D (cholecalciferol), Vitamin D (mixed), vitamin d-2, vitamin d-3, vitamin d-3 beadlets, vitamin d3 in a softgel, vitamin d3 oil, vitamin d3 powder, vitashine, vitashine d3, vitashine lichen, vitashine lichen oil pdr, vitashine vegan cholecalciferol, vitashine vitamin d3
Type: Vitamins
Organic compounds essential for normal growth and nutrition. Required in small quantities in the diet because they cannot be synthesized by the body.
Absorption: Fat-soluble vitamins require dietary fat for absorption. Water-soluble vitamins are generally well-absorbed but excess amounts are excreted.
Interactions: Some vitamins can interfere with medications. Fat-soluble vitamins can accumulate in the body.
Watch out for
Possible interactions or cautions — talk to a healthcare provider if unsure.
- May interact with certain medications such as corticosteroids and weight loss drugs that affect fat absorption.
Potential Benefits
Benefits associated with Vitamin D forms:
And 9 more benefits...
Potential Side Effects
Side effects associated with Vitamin D forms:
And 1 more side effect...