Your Trusted Source for GMP-Certified Drug Components.

Vitamins D3
Oil & Powder

To guarantee the highest purity and efficacy, we adhere to strict global standards

Vitamins

Cholecalciferol / Vitamin D3

Vitamin D3 is an essential fat-soluble vitamin, vital for regulating calcium and phosphate levels in the body, which is crucial for bone health and immune function. Due to its inherent instability, Vitamin D3 is supplied in two primary forms to ensure suitability for diverse pharmaceutical and nutritional applications: Oil Solution (for softgel capsules and drops) and Stabilized Powder (for solid and dry formulations).

The product conforms to the specified requirements of the United States Pharmacopeia (USP), European Pharmacopoeia (EP), and/or British Pharmacopoeia (BP).
A detailed CoA is issued with every batch, outlining potency, purity profile, and microbiological testing verification.
A comprehensive Drug Master File is available to support registration submissions to regulatory authorities worldwide.
Production takes place in certified facilities that strictly adhere to current Good Manufacturing Practices (cGMP).
Therapeutic Class:
Essential Fat-Soluble Vitamin and Bone Metabolism Regulator.
Mechanism of Action:
Converted in the body to its active form (Calcitriol), which acts as a ligand for Vitamin D Receptors (VDRs), increasing intestinal calcium absorption and maintaining serum concentrations..
Clinical Application:
Prevention and treatment of Vitamin D deficiency, treatment of Rickets, Osteomalacia, and supportive therapy for Osteoporosis.
Competitive Advantage:
A critical API for bone health, required in both high-dose and low-dose formulations, supplied with enhanced stability characteristics..
Vitamin D3 Oil Concentrate

Softgel Capsules, Oral Drops, Injectable Solutions.

The oil solution provides maximum protection of the API from oxidation and ensures optimal absorption of the fat-soluble material.

Stabilized D3 Powder

Tablets, Hard Capsules, Dry Supplements, Fortified Foods.

The stabilized powder is typically produced via Microencapsulation to ensure excellent stability against oxidation and homogeneous blending in solid dosage forms.

Concentrations

Available in high concentrations (e.g., 1.0 Million IU/g) or lower, as required.

Facilitates high-precision dosing in both low-dose formulations and high-dose bulking operations.

Regulatory Compliance

The product conforms to the specified requirements of the United States Pharmacopeia (USP), European Pharmacopoeia (EP), and/or British Pharmacopoeia (BP).

Certificate of Analysis (CoA)

A detailed CoA is issued with every batch, outlining potency, purity profile, and microbiological testing verification.

Drug Master File (DMF)

A comprehensive Drug Master File is available to support registration submissions to regulatory authorities worldwide.

Manufacturing Operations

Production takes place in certified facilities that strictly adhere to current Good Manufacturing Practices (cGMP).

Browse Our API and Excipient Categories

4.98

488 rating

98%

Genuine client's
positive feedback.

200+

(APIs) and
Excipients.
atassco.
drug.
store.
atassco.
drug.
store.
Scroll