Natural Factors
Natural Factors SunVitamin D3 2500 IU (Softgels)
High-potency vitamin D3 for strong bones and immune support
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Why Choose This Product
IMMUNE SUPPORT
Supports your body's natural immune responses with the most bioavailable form of vitamin D.
STRONG BONES
Enhances calcium absorption for proper bone mineralization and helps maintain bone density.
HIGH POTENCY
2500 IU per softgel delivers optimal vitamin D3 levels in one convenient daily dose.
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How It Works
How It Works
Your body converts cholecalciferol (vitamin D3) into active hormone that regulates calcium absorption and immune cell function. Unlike vitamin D2, D3 is the same form your skin produces from sunlight and raises blood levels more effectively.
Who It's For
Adults with limited sun exposure, those living in northern climates, or anyone wanting to maintain optimal vitamin D levels year-round. Ideal for supporting bone health as you age or strengthening immune function.
Who It's Not For
Not suitable if you're already taking high-dose vitamin D or have hypercalcemia. Consult your healthcare provider if pregnant or on medications.
About This Product
What It Does
Natural Factors SunVitamin D3 delivers 2500 IU of bioavailable vitamin D3 to support strong bones and immune function. This high-potency formula helps prevent vitamin D deficiency while supporting calcium absorption and bone mineralization. The cholecalciferol form matches what your body naturally produces.
Why It Works
- SUPERIOR ABSORPTION: Cholecalciferol (D3) raises blood levels more effectively than synthetic D2 forms.
- BONE STRENGTH: Enhances calcium and phosphorus absorption for proper bone mineralization and density.
- IMMUNE FUNCTION: Supports both innate and adaptive immune responses at the cellular level.
What's Inside
Each softgel contains 2500 IU vitamin D3 in organic flaxseed oil for optimal absorption. Made in Canada with gelatin softgels.
Why we carry it: Natural Factors consistently delivers the potency and purity standards our customers expect from vitamin D3.
How to Take
Full Ingredients
| Medicinal Ingredients | ||||
| Each softgel contains: | ||||
| Amount/Serving | ||||
| Vitamin D3 (cholecalciferol) | 2500 IU (62.5 mcg) | |||
Non-Medicinal: Softgel (gelatin, glycerin, purified water), organic flaxseed oil.
Customer Reviews
28 reviews
Questions & Answers
Research & Science
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