FDA pharmacologic class
Vitamin D2 Analog
2 medicines are in FDA's class of vitamin d2 analogs: paricalcitol (Zemplar) and doxercalciferol. All 2 are listed from generic labelers (FDA NDC Directory, October 8, 2026). The lowest pharmacy cost is paricalcitol 1 mcg capsule at $1.28 per capsule (NADAC).
Which medicines are vitamin d2 analog?
| Medicine | Brand names | Generic labelers (all forms) | Pharmacy cost | Boxed warning | Shortage | Recalls since 2012 |
|---|---|---|---|---|---|---|
| Paricalcitol | Zemplar | 8 labelers | $1.28 per capsule 1 mcg capsule | No | A presentation being discontinued | 10 |
| Doxercalciferol | none listed | 8 labelers | n/a | No | A presentation being discontinued | 1 |
Source: FDA Established Pharmacologic Class (NDC Directory, openFDA); CMS NADAC of October 7, 2026; FDA shortages and recalls (FDA files October 8, 2026)
What do pharmacies pay?
Each medicine's most widely listed form, per unit, in the NADAC survey: what pharmacies paid, not what a patient pays; strengths differ, so compare like with like.
Source: CMS National Average Drug Acquisition Cost (NADAC) survey, October 7, 2026: what retail pharmacies paid per unit; not a counter price