Comparing Vitamin D2 vs Vitamin D3
| Vitamin D2 (ergocalciferol) | Vitamin D3 (cholecalciferol) |
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| Vitamin D2 (ergocalciferol) | Vitamin D3 (cholecalciferol) |
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Prescription and OTC
Prescribed for Hypoparathyroidism, Hypocalcemia, Hypophosphatemia, Familial Hypophosphatemia, Osteomalacia, Renal Osteodystrophy, Rickets, Vitamin D Deficiency, Vitamin/Mineral Supplementation and... View more |
Prescription and OTC
Prescribed for Vitamin D Deficiency, Vitamin D Insufficiency, Prevention of Falls, Prevention of Fractures. Vitamin D3 may also be used for purposes not listed in this medication guide. |
Related suggestions Vitamin D Deficiency
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| More about (ergocalciferol) | More about Vitamin D3 (cholecalciferol) | ||||||||
| Ratings & Reviews | |||||||||
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Vitamin D2 has an average rating of 5.9 out of 10 from a total of 9 ratings on Drugs.com. 44% of reviewers reported a positive effect, while 44% reported a negative effect. |
Vitamin D3 has an average rating of 5.5 out of 10 from a total of 25 ratings on Drugs.com. 44% of reviewers reported a positive effect, while 44% reported a negative effect. |
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| Side Effects Experienced by Users Side effects are reported in Drugs.com user reviews and not clinically verified. | |||||||||
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View all Vitamin D2 side effects |
View all Vitamin D3 side effects |
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| Drug Class | |||||||||
| Generic Availability | |||||||||
| Lower cost generic approved |
N/A |
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| Pricing and Coupons * Prices are without insurance | |||||||||
View all Vitamin D2 prices |
We could not find an exact match for this medicine. Try searching the Price Guide directly. |
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| Dosage Forms | |||||||||
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| Brand Names | |||||||||
| Other ergocalciferol brands include: Calcidol, Calciferol, Drisdol | Other cholecalciferol brands include: Bio-D-Mulsion, Bio-D-Mulsion Forte, BProtected Pedia D-Vite, Carlson D, Celebrate Vitamin D3 Quick-Melt, D 1000 IU, D-Vita Drops, D2000, D3, D3-5, D3-50, D400, Ddrops, Decara, Delta D3, Enfamil D-Vi-Sol, Maximum D3, Replesta, Replesta Children's, Replesta NX, Thera-D 2000, Thera-D 4000, Thera-D Rapid Repletion, UpSpringbaby D, Wellesse Vitamin D3 View more | ||||||||
| Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value. | |||||||||
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N/A |
N/A |
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| CSA Schedule 1 View glossary of CSA terms | |||||||||
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Not a controlled drug
Is not subject to the Controlled Substances Act. |
Not a controlled drug
Is not subject to the Controlled Substances Act. |
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| Pregnancy Category | |||||||||
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Category C
Risk cannot be ruled out
See the full pregnancy warnings document. |
Category C
Risk cannot be ruled out
See the full pregnancy warnings document. |
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| Drug Interactions | |||||||||
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A total of 91 drugs are known to interact with Vitamin D2:
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A total of 91 drugs are known to interact with Vitamin D3:
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| Alcohol/Food/Lifestyle Interactions | |||||||||
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| Disease Interactions | |||||||||
| First Approval Date | |||||||||
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N/A |
N/A |
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| WADA Class View classifications | |||||||||
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N/A |
N/A |
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| More Information | |||||||||
| Patient Resources | |||||||||
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N/A |
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| Professional Resources | |||||||||
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N/A |
N/A |
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| Related Treatment Guide | |||||||||
1 The Controlled Substances Act (CSA) schedule information displayed applies to substances regulated under federal law. There may be variations in CSA schedules between individual states.
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.