VITAMIN D3
67-97-0
C27h44o
200-673-2
Paper
Normal
>12 Months
Vitamin
Natural
>90%
White Powder
Food Grade
Cool Place Avoiding Heavy Pressure
Light Yellow or White Free-Flowing Powder
All Pass Sieve 50mesh
</=2.0mg/Kg
</=2.0mg/Kg
</=1000cfu/G
</=100cfu/G
<0.3mpn/G
HNTY
Bag
25kg/Bag
China
2914620000
Product Description


Vitamin D3 (cholecalciferol) is a fat-soluble vitamin essential for human health, naturally synthesized in the skin through sunlight exposure. It is also found in limited dietary sources such as fatty fish, egg yolks, and fortified foods. As a biologically active form of vitamin D, D3 plays a critical role in regulating calcium absorption, supporting bone health, and modulating immune function. Due to modern lifestyles (e.g., limited sun exposure) and dietary gaps, supplementation with Vitamin D3 has become a cornerstone of preventive health and wellness strategies.
ANALYSIS | SPECIFICATION | RESULTS |
Content | ≥100,000IU/g | 113,000IU/g |
Description | Light yellow or white free-flowing powder | Complies |
Particle size | All pass sieve 50mesh | Complies |
Arsenic | ≤2.0mg/kg | <0.05mg/kg |
Lead(Pb) | ≤2.0mg/kg | <0.05mg/kg |
Total bacterial | ≤1000cfu/g | <10cfu/g |
Mold&Yeast | ≤100cfu/g | <10cfu/g |
Coliform | <0.3MPN/g | <0.3MPN/g |



Highly Bioavailable: Superior absorption compared to Vitamin D2, ensuring optimal utilization by the body.
Multiple Formats: Available in softgels, tablets, liquid drops, or gummies for flexible dosing.
Synergistic Blends: Often paired with calcium, magnesium, or K2 for enhanced bone and cardiovascular benefits.
Vegan Options: Plant-derived D3 (lichen-based) caters to vegetarian and vegan preferences.

Bone & Musculoskeletal
Health Promotes calcium and phosphorus absorption, critical for maintaining strong bones and teeth.
Reduces risks of osteoporosis, rickets (in children), and fractures, especially in aging populations.
Immune System Support
Modulates immune responses, potentially lowering susceptibility to infections and autoimmune conditions.
Emerging research links adequate D3 levels to improved resistance to respiratory illnesses.
Health Promotes calcium and phosphorus absorption, critical for maintaining strong bones and teeth.
Reduces risks of osteoporosis, rickets (in children), and fractures, especially in aging populations.
Immune System Support
Modulates immune responses, potentially lowering susceptibility to infections and autoimmune conditions.
Emerging research links adequate D3 levels to improved resistance to respiratory illnesses.

Mood & Cognitive Function
Supports serotonin production, aiding in mood regulation and reducing symptoms of seasonal affective disorder (SAD). May play a role in cognitive health, with studies exploring links to reduced dementia risk.
Pregnancy & Developmental Health
Ensures proper fetal skeletal development and maternal bone health during pregnancy and breastfeeding. Pediatric use (under medical guidance) prevents vitamin D deficiency in infants.
Chronic Disease
Prevention Associated with reduced risks of cardiovascular diseases, diabetes, and certain cancers due to its anti-inflammatory and regulatory properties.
Supports serotonin production, aiding in mood regulation and reducing symptoms of seasonal affective disorder (SAD). May play a role in cognitive health, with studies exploring links to reduced dementia risk.
Pregnancy & Developmental Health
Ensures proper fetal skeletal development and maternal bone health during pregnancy and breastfeeding. Pediatric use (under medical guidance) prevents vitamin D deficiency in infants.
Chronic Disease
Prevention Associated with reduced risks of cardiovascular diseases, diabetes, and certain cancers due to its anti-inflammatory and regulatory properties.

Who Should Use Vitamin D3?
Individuals with limited sun exposure (e.g., office workers, northern latitudes residents).
Older adults, postmenopausal women, or those at risk of bone density loss. People with dark skin (higher melanin reduces UVB absorption).
Those with autoimmune conditions or frequent infections.
Note: Testing blood levels (25-hydroxyvitamin D) is recommended for personalized dosing.
Usage Guidelines General Maintenance:
600-800 IU daily for adults (varies by age, region, and health status).
Deficiency Correction: 1,000-5,000 IU/day under medical supervision, based on lab results.
Timing: Take with fatty meals or oils to enhance absorption.
Individuals with limited sun exposure (e.g., office workers, northern latitudes residents).
Older adults, postmenopausal women, or those at risk of bone density loss. People with dark skin (higher melanin reduces UVB absorption).
Those with autoimmune conditions or frequent infections.
Note: Testing blood levels (25-hydroxyvitamin D) is recommended for personalized dosing.
Usage Guidelines General Maintenance:
600-800 IU daily for adults (varies by age, region, and health status).
Deficiency Correction: 1,000-5,000 IU/day under medical supervision, based on lab results.
Timing: Take with fatty meals or oils to enhance absorption.
