Ergocalciferol 1.25mg Suppliers & Bulk Manufacturers
Available Forms: Capsules
Available Strengths: 1.25mg
Reference Brands: DRISDOL (USA)
Category: Nutraceuticals
Ergocalciferol, also known as Vitamin D2, is a fat-soluble vitamin used to prevent and treat Vitamin D deficiency and related conditions such as rickets and osteomalacia. It aids in the absorption of calcium and phosphorus, essential for maintaining bone and teeth health. Ergocalciferol is derived from plant sources and yeast, making it suitable for vegetarians. Marketed under names such as Drisdol and Calciferol, it is available as capsules, oral solutions, and injections depending on the country.
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Product Description:
Ergocalciferol is vitamin D2, produced by ultraviolet irradiation of ergosterol from yeast or fungi. Like vitamin D3, it is converted in the liver and kidney to an active hormone that regulates calcium and phosphate absorption and bone mineralisation. It is plant-derived, so it suits vegan diets. However, it raises and sustains blood vitamin D levels less effectively than vitamin D3, which is why D3 is usually preferred where both are available.
The 1.25 mg capsule contains 50,000 IU and is a prescription high-dose product, typically given weekly for several weeks to correct deficiency, then less often for maintenance. It is also used in hypoparathyroidism and in some forms of rickets. Prolonged excess causes hypercalcaemia, with nausea, confusion, polyuria and kidney damage, so calcium is checked with long-term high-dose use.
Sourcing notes. The 50,000 IU capsule is a prescription medicine in the US and several other markets, not a supplement, so registration is required. Generic soft-gel capsules are widely available. The traditional capsule contains tartrazine in some brands, relevant for dye-sensitive patients. Content uniformity at microgram levels and oxidation protection are the key manufacturing controls.
Ergocalciferol — third party manufacturing & bulk supply
Ergocalciferol 1.25mg is available through PharmaTradz for wholesale and bulk supply as well as on a third party (contract) manufacturing basis. Buyers sourcing this product generally take one of three routes:
Indicative minimum order quantity
Ergocalciferol is supplied as Capsules — an oral solid dosage form, so the indicative MOQ is 200,000 units. Actual MOQ is confirmed by the allocated manufacturer against your pack presentation and destination market. See full supply terms for dossier formats, market availability and shelf life.
Manufacturers of Ergocalciferol listed on PharmaTradz hold site-level approvals across WHO-GMP, EU-GMP, USFDA, ANVISA and TGA, verified at onboarding.
Request a quote for Ergocalciferol →Usually answered within 48 hours, with matched manufacturers, indicative prices and document status.
Frequently Asked Questions
Ergocalciferol, also known as vitamin D2, is used to prevent and treat vitamin D deficiency, rickets, and osteomalacia. It helps in the absorption of calcium and phosphorus in the body, supporting healthy bone formation and maintenance. Ergocalciferol is also used as a dietary supplement in patients with inadequate sunlight exposure or certain medical conditions affecting vitamin D metabolism.
Ergocalciferol is made from vitamin D2, a naturally occurring compound derived from plant sources and yeast, which is converted into its active form in the body to regulate calcium and phosphate levels.
The trade names of Ergocalciferol include Drisdol and Calciferol.
Ergocalciferol (Drisdol) is manufactured by Pfizer and other pharmaceutical companies under licensed formulations in different countries.
The generic name of Ergocalciferol is Ergocalciferol.
The brand names of Ergocalciferol are Drisdol and Calciferol.
Ergocalciferol is manufactured in the United States, Europe, and other countries by approved pharmaceutical manufacturers under GMP-certified facilities.
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