1 row is stored for this page
| Field | Field type | Value |
|---|
| generic | String | Cholecalciferol (vitamin D3) |
| brand | String | Many OTC; Rx 50,000 IU also available |
| structure | File | |
| classes | List of String, delimiter: , | [[:Category:Vitamin_D_analogs|Vitamin D analog]] • [[:Category:Fat-soluble_vitamins|Fat-soluble vitamin]] |
| mechanism | String | '"`UNIQ--vote-0000042C-QINU`"' D3 is more potent than D2 at raising and sustaining serum 25(OH)D per dose, and is the more common OTC formulation; D2 remains the dominant Rx 50,000 IU formulation in the US for historical reasons. |
| uses | String | '"`UNIQ--vote-0000042D-QINU`"', '"`UNIQ--vote-0000042E-QINU`"', '"`UNIQ--vote-0000042F-QINU`"', '"`UNIQ--vote-00000430-QINU`"' |
| starting_dose | String | Maintenance 800-2,000 IU PO daily; deficiency replacement 50,000 IU PO weekly for 8-12 weeks then maintenance, or equivalent daily dosing 5,000-10,000 IU/d |
| preparations | String | OTC 400, 1,000, 2,000, 5,000 IU softgels and tablets; Rx 50,000 IU capsules; liquid drops 400-2,000 IU/drop |
| fda_max | String | No strict; Institute of Medicine UL 4,000 IU/d in adults for chronic use |
| pill_id | Text | |
| routes | List of String, delimiter: , | Oral • IM (rare • for severe malabsorption) |
| onset | String | Weeks to raise 25(OH)D into reference range |
| duration | String | Long; fat-soluble storage in adipose |
| halflife | String | ~24 hours (parent); ~15 days (25(OH)D); tissue stores months |
| bioavailability | String | ~75% (oral; absorption improved with fat-containing meal) |
| pregnancy | String | Safe at replacement doses; deficiency is itself a risk in pregnancy and lactation.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup> |
| legal | String | OTC (most) and [[USLegal:Prescription only|Rx-only]] (50,000 IU) in US |
