Natural Factors
Natural Factors SunVitamin D3 1000 IU (Softgels)
High-potency vitamin D3 for year-round immune and bone support
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Why Choose This Product
IMMUNE SUPPORT
Helps maintain healthy immune function year-round — particularly important during darker winter months when vitamin D levels naturally drop.
BONE STRENGTH
Supports calcium absorption and bone development, contributing to stronger bones and teeth throughout life.
BETTER ABSORPTION
Formulated with organic flaxseed oil base to enhance bioavailability compared to dry vitamin D3 tablets.
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How It Works
How It Works
Vitamin D3 (cholecalciferol) is the same form your skin produces from sunlight. Once absorbed, it helps your intestines absorb calcium and phosphorus while supporting immune cell function. The organic flaxseed oil base improves absorption since vitamin D is fat-soluble.
Who It's For
Adults who spend limited time outdoors, live in northern climates, or want to maintain consistent vitamin D levels year-round. Particularly beneficial for those focused on bone health, immune support, or cardiovascular wellness.
Who It's Not For
Those already taking high-dose vitamin D supplements or with known hypercalcemia should consult a healthcare practitioner before use.
About This Product
What It Does
Natural Factors SunVitamin D3 delivers 1000 IU of vitamin D3 to support bone health, immune function, and calcium absorption. This softgel format provides the preferred D3 form in an organic flaxseed oil base for enhanced bioavailability.
Why It Works
- PROVEN D3 FORM: Cholecalciferol is the same vitamin D3 your body produces naturally from sunlight exposure.
- OPTIMAL ABSORPTION: Organic flaxseed oil base improves uptake since vitamin D requires fat for proper absorption.
- YEAR-ROUND SUPPORT: Maintains consistent vitamin D levels regardless of season or sun exposure.
- MULTIPLE BENEFITS: Supports bone development, immune function, and cardiovascular health in one daily softgel.
What's Inside
Each softgel contains 25 mcg (1000 IU) of vitamin D3 with organic flaxseed oil in a gelatin softgel. Simple, clean formula with no unnecessary additives.
Why we carry it: Natural Factors combines optimal D3 potency with enhanced absorption technology for reliable vitamin D support.
How to Take
Full Ingredients
| MEDICINAL INGREDIENTS | ||||
| Serving Size: 1 Softgel | ||||
| Serving Contains: 180 Softgels | ||||
| Amount/Serving | ||||
| Vitamin D3 (cholecalciferol) | 25 mcg (1000 IU) | |||
| Non-Medicinal Ingredients: Organic flaxseed oil, softgel (gelatin, glycerin, purified water). Suggested Use: Helps in the absorption and use of calcium and phosphorus. Helps in the normal development and maintenance of bones and teeth. A factor in the maintenance of good health. | ||||
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Questions & Answers
Research & Science
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