Vitamin D3
Found in 416 products 5 forms available Trending for: bone density, immune modulation, circadian rhythm
Deepen your research
Handpicked articles that pair with this ingredient

Supplement Guide Robust evidence
Vitamin D3 (cholecalciferol)
Berlin, winter of 1919. A pediatrician wheels a mercury-vapor lamp beside a child with bowed legs; weeks later, the bones harden and straighten....

Comparison Promising evidence
Liposomal Vitamin C (liposome-encapsulated ascorbic acid) vs Standard Vitamin C (ascorbic acid; tablets/capsules)
For maximizing absorption per dose, choose liposomal vitamin C; RCTs show higher plasma and leukocyte exposure vs standard tablets at the same milligram dose....

Comparison Robust evidence
Vitamin D3 (cholecalciferol) vs Vitamin D2 (ergocalciferol)
For most people seeking the strongest, most durable rise in vitamin D status, choose D3. D2 works, but on average raises and sustains 25(OH)D less, especially...
Understanding Vitamin D3
Research-backed benefits
→Supports healthy bones
→Promotes immune system function
→Supports mood and emotional well-being
→Aids muscle function and physical performance
Dosage Guide
5mg
Low
10mg
Standard
25mg
Therapeutic
• Most products contain 5-10mg
• Therapeutic dose: 10-25mg
Forms & Absorption
Vitamin D3
Standard form
6712 products
Cholecalciferol
Standard form
99 products
VegD3
Standard form
22 products
Vitashine
Standard form
15 products
Vitamin D3; Powder
Standard form
2 products
Timing & Usage
Based on analyzing 33,543 products with Vitamin D3
Best taken:With meals
With food:26% recommend with food, 5% on empty stomach
Spacing:8% recommend medical consultation - discuss timing with doctor
Works Well With
Top Products

ActivNutrients without Copper & Iron
XYMOGEN • Capsule
$49.00

Advanced Mineral Support
Kirkman • Capsule
$32.00

Arthri-Flex Advantage + Vitamin D3
21st Century • Tablet or Pill
$157.10

BioNutrient Complex
Energetix • Capsule
$64.81