Natural Factors
Natural Factors SunVitamin D3 2500 IU (Tablets)
High-potency vitamin D3 for immune function and strong bones
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Why Choose This Product
IMMUNE SUPPORT
Supports your body's natural immune responses with 2500 IU of bioactive vitamin D3.
BONE STRENGTH
Helps maintain strong bones and teeth by enhancing calcium and phosphorus absorption.
DEFICIENCY PREVENTION
Provides optimal vitamin D3 levels when sunlight exposure isn't enough.
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How It Works
How It Works
Your body converts this cholecalciferol (vitamin D3) into the active hormone that regulates calcium absorption and immune cell function. Unlike vitamin D2, D3 is the same form your skin produces from sunlight, making it more effective at raising blood vitamin D levels.
Who It's For
Adults who spend limited time in direct sunlight, live in northern climates, or have been advised by their healthcare provider to increase vitamin D intake. Perfect for office workers, shift workers, and anyone concerned about bone health or immune function.
Who It's Not For
Not suitable if you're already taking high-dose vitamin D supplements or have been diagnosed with hypercalcemia. Always consult your healthcare provider if you're on medications or have kidney conditions.
About This Product
What It Does
Natural Factors SunVitamin D3 delivers 2500 IU of vitamin D3 to support immune function and maintain strong bones when sunlight isn't enough. This high-potency formula helps prevent vitamin D deficiency while supporting your body's natural calcium absorption processes.
Why It Works
- OPTIMAL ABSORPTION: Cholecalciferol (D3) is 87% more effective than vitamin D2 at raising blood levels of active vitamin D.
- IMMUNE FUNCTION: Vitamin D3 supports both innate and adaptive immune responses at the cellular level.
- BONE HEALTH: Enhances calcium and phosphorus absorption in your intestines for proper bone mineralization.
What's Inside
Each tablet contains 2500 IU (62.5 mcg) of vitamin D3 as cholecalciferol with clean, minimal excipients. No artificial colours, preservatives, or unnecessary fillers. Made in Canada under strict quality standards.
Why we carry it: Natural Factors consistently delivers pharmaceutical-grade vitamin D3 at therapeutic doses that healthcare providers actually recommend.
How to Take
Full Ingredients
| Medicinal Ingredients | ||||
| Each softgel contains: | ||||
| Amount/Serving | ||||
| Vitamin D3 (cholecalciferol) | 2500 IU (62.5 mcg) | |||
Non-Medicinal: Microcrystalline cellulose, dibasic calcium phosphate dihydrate, croscarmellose sodium, stearic acid, vegetable grade magnesium stearate (lubricant), silica.
Customer Reviews
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Questions & Answers
Research & Science
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