Natural Factors
Natural Factors Calcium & Magnesium 2:1 Plus Vitamin D3 (Capsules)
Chelated minerals with vitamin D3 for optimal bone support
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Why Choose This Product
BONE STRENGTH
The 2:1 calcium to magnesium ratio mirrors what doctors recommend for optimal bone density and strength.
BETTER ABSORBED
Chelated mineral forms are gentler on your stomach and better absorbed than standard oxide forms.
COMPLETE SUPPORT
Vitamin D3 ensures your body actually uses the calcium instead of just passing it through.
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How It Works
How It Works
Calcium citrate and magnesium in their chelated forms are bound to amino acids, making them easier for your digestive system to recognize and absorb. Vitamin D3 acts as the key that unlocks calcium absorption in your intestines, ensuring the minerals reach your bones where they're needed.
Who It's For
Adults looking to maintain bone density as they age. People who want chelated minerals because standard forms upset their stomach. Anyone whose doctor recommended a 2:1 calcium-magnesium supplement.
Who It's Not For
This isn't for people who need higher doses of individual minerals or those looking for calcium alone without magnesium.
About This Product
What It Does
Supports bone density and strength with the doctor-recommended 2:1 calcium to magnesium ratio. The chelated mineral forms are gentler on your digestive system and better absorbed than standard calcium carbonate or magnesium oxide. Vitamin D3 ensures your body actually uses the calcium for bone building.
Why It Works
- OPTIMAL RATIO: The 2:1 calcium to magnesium balance mirrors what bone health experts recommend for maximum effectiveness.
- CHELATED FORMS: Unlike standard mineral oxides, these chelated forms are bound to amino acids for superior absorption and digestive comfort.
- VITAMIN D3 COFACTOR: Without adequate vitamin D, your body absorbs only 10-15% of dietary calcium — this formula includes the active D3 form.
What's Inside
Clean mineral formula with 250mg elemental calcium (citrate), 125mg elemental magnesium (oxide/citrate), and 2.5mcg vitamin D3 per capsule. NPN N/A.
Why we carry it: Natural Factors uses chelated mineral forms that your body actually recognizes and absorbs efficiently.
How to Take
Full Ingredients
| Supplement Facts | |
| Serving size 1 Capsule | |
| Servings size:90 | |
| Servings | Amount Per Serving |
| Elemental calcium (citrate) | 250 mg |
| Elemental magnesium (oxide/citrate) | 125 mg |
| Vitamin D3 | 2.5 mcg |
| * Daily Value not established. | |
| Other Ingredients: Gelatin capsule (gelatin, purified water, titanium dioxide), | |
| vegetable grade magnesium stearate (lubricant). | |
Customer Reviews
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Questions & Answers
Research & Science
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