Vitamin D2 (Ergocalciferol) — Pharma Grade Supplier, Hyderabad
Product Overview
Vitamin D2 (Ergocalciferol) is the plant-derived form of Vitamin D produced by UV irradiation of ergosterol from fungi and yeast. It is the preferred Vitamin D source for vegan and vegetarian supplement formulations. Used in pharmaceutical Vitamin D deficiency treatment, bone health supplements, and multivitamin formulations as an alternative to Vitamin D3.
Specifications
| CAS Number | 50-14-6 |
| Molecular Formula | C₂₈H₄₄O |
| Molecular Weight | 396.65 g/mol |
| Appearance | White to slightly yellowish powder |
| Potency | 40,000,000 IU/g |
| Assay | 97.0–103.0% |
| Source | Yeast/fungi (plant-derived, vegan) |
| Grades | IP / BP / EP / USP |
| Packaging | 100 g / 500 g / 1 kg |
Applications
- Vegan Vitamin D supplement formulations
- Bone health and osteoporosis supplement
- Vitamin D deficiency pharmaceutical treatment
- Multivitamin tablet and capsule formulations
- Calcium + Vitamin D combination products
- Infant and paediatric Vitamin D drops
Why Source from Surravi Phharma?
- Ready stock maintained in our centralised AC warehouse, Hyderabad
- IP / BP / EP / USP grades available
- Complete documentation: COA, MSDS, Regulatory certifications
- Flexible quantities — lab scale to bulk commercial
- Prompt delivery with pan India logistics support
Frequently Asked Questions
Where can I buy Ergocalciferol (Vitamin D2) pharma grade in Hyderabad?
Surravi Phharma supplies Ergocalciferol (Vitamin D2) in IP, BP, EP, and USP grades in Hyderabad. Available in 100 g, 500 g, and 1 kg packaging due to the extremely high potency (40,000,000 IU/g). Used in vegan Vitamin D supplements, bone health products, and deficiency treatment. Call +91 8008002576 for pricing.
What is the key difference between Vitamin D2 (Ergocalciferol) and Vitamin D3 (Cholecalciferol)?
Both forms raise serum 25(OH)D (the standard Vitamin D status marker) but D3 is approximately 87% more potent in raising and maintaining serum 25(OH)D levels. D3 has a longer half-life in circulation and is the form naturally produced in human skin. D2 is plant-derived (from yeast/fungi), making it the only form suitable for vegan-certified Vitamin D supplements. D2 is also the form used in most prescription-strength Vitamin D pharmaceutical products in some markets (50,000 IU capsules for deficiency treatment).
What is the recommended treatment protocol for Vitamin D deficiency using D2?
For severe deficiency (25(OH)D < 20 ng/mL): high-dose loading protocol of 50,000 IU Ergocalciferol weekly for 8–12 weeks, followed by maintenance of 1,500–2,000 IU/day. For moderate insufficiency (20–30 ng/mL): 50,000 IU every 2 weeks for 3 months, then maintenance. For maintenance/prevention: 600–2,000 IU/day depending on age, risk factors, and baseline level. All protocols should be monitored with serial 25(OH)D blood level checks at 3-month intervals.
Is Vitamin D2 from yeast certified vegan and how is this documented?
Yes. Ergocalciferol (D2) produced by UV irradiation of ergosterol from yeast (Saccharomyces cerevisiae) or fungi is entirely plant-based and certified vegan. This makes it the exclusive choice for Vitamin D in vegan-labelled supplements. Vegan certification, non-GMO certification, and Kosher/Halal certificates can be provided with our supply as manufacturer documentation. Vitamin D3 (Cholecalciferol) is derived from lanolin (sheep's wool) and is not vegan — though plant-derived D3 from lichen is now available as a premium alternative.