Vitamin D3

indexes

Vitamin D3
CAS No.: 67-97-0
Molecular Formula: C₂₇H₄₄O
Molecular Weight: 384.64
EINECS No.: 200-673-2

Applications of Vitamin D3 (Cholecalciferol)

1. Pharmaceutical & Clinical Applications:

(1) Prevention and Treatment of Vitamin D Deficiency Suitable for people with insufficient sun exposure, the elderly, pregnant and lactating women, infants and young children.

Maintains normal serum 25-hydroxyvitamin D levels, improves fatigue, muscle weakness, bone pain and other deficiency symptoms.

(2) Skeletal Diseases Rickets in children: promotes bone calcification, improves bone development and prevents skeletal deformities.

Osteomalacia in adults: relieves bone pain and muscle weakness, reduces the risk of fractures.

Osteoporosis: combined with calcium supplements, increases bone mineral density and reduces the incidence of fractures in the elderly and postmenopausal women.

Hypocalcemic tetany: corrects low calcium levels and relieves convulsions.

(3) Endocrine & Metabolic Disorders Hypoparathyroidism: used for long-term supplementation in postoperative and idiopathic hypoparathyroidism.

Chronic kidney disease-related bone disease: assists in regulating calcium and phosphorus metabolism, maintains bone health.

(4) Immunomodulation & Other Applications Enhances immune function, reduces the risk of respiratory infections.

Assists in the adjuvant treatment of autoimmune diseases.

Improves insulin sensitivity and helps regulate glucose metabolism.

2. Food Fortification Widely used in milk, dairy products, infant formula, cereals, edible oils and functional foods.

The main vitamin D supplement for food fortification in most countries.

3. Animal Feed Industry Poultry feed: improves eggshell quality, increases egg production rate, prevents layer fatigue syndrome.

Livestock feed: promotes calcium and phosphorus absorption, prevents rickets and osteomalacia in pigs, cattle and sheep.

Aquafeed: improves survival rate and skeletal development of fish and shrimp.

4. Health Supplements & Nutrition Products Used in various dietary supplements: tablets, capsules, oral liquids, chewable tablets.

Common ingredient in calcium-vitamin D composite supplements.

5. Key Characteristics Source: mainly animal-derived and synthetic; produced in human skin upon sunlight exposure.

Higher biological activity and better efficacy than Vitamin D2 in humans.

Plays a critical role in calcium absorption, bone health and immune regulation.