Vitamin D3 1,000 IU
NOW Foods
Vitamin D3 from sheep's wool lanolin. Supports bone health and immune function.
Serving Size
1 softgel
Per Serving
1,000 IU (25 mcg) vitamin D3
What's on the Label
Vitamin D3 (cholecalciferol)
1,000 IU per softgel
active
Lanolin-derived (animal source)
The active ingredient. D3 is more effective than D2. Your body uses it the same way whether it comes from lanolin, lichen, or sunlight on your skin.
Olive oil
other
Natural plant oil
Carrier oil that helps dissolve and absorb the fat-soluble vitamin D. Olive oil is a healthy fat.
Safflower oil
other
Seed oil (industrial processing)
Second carrier oil. Safflower is a seed oil high in omega-6 fatty acids. Used for manufacturing cost and stability.
Softgel capsule
Gelatin, glycerin, water
other
Bovine gelatin (animal)
The capsule shell. Gelatin comes from cow skin or bones. Keeps the oils fresh. Not suitable for vegetarians.
How It's Made
Primary Form
Cholecalciferol extracted from lanolin (sheep's wool)
Source & Processing
Lanolin is the waxy grease from sheep's wool, collected during shearing. NOW doesn't disclose the complete UV conversion process on the label. The lanolin is purified and converted to D3—the same form your skin makes from sunlight.
Other Ingredients
Vitamin D3 (as cholecalciferol), Extra Virgin Olive Oil, Softgel Capsule (bovine gelatin, water, glycerin)
What They Don't Tell You(Beyond the label)
- Contains seed oil (safflower) as carrier
- Lanolin source means this isn't suitable for strict vegans
- D3 from lanolin is chemically identical to what your skin produces
- NOW doesn't disclose the complete UV conversion process
How to Use
Typical Dose
1,000 IU (25 mcg) vitamin D3
Per 1 softgel
General Guidance
• When: Follow label directions or consult research for optimal timing
• With food: Fat-soluble vitamins (A, D, E, K) absorb better with meals containing fat
• Consistency: Regular daily use typically yields best results
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