Get more calcium from your food with Natural Factors’ Vitamin D3. This essential nutrient supports strong bones and teeth, helps regulate the immune system and helps maintain healthy nerves and muscles. Our formula is carefully crafted for the highest level of quality and consistency.

• Get the sunshine vitamin the safe way; Natural Factors’ Vitamin D3 1,000 IU (25 mcg) delivers your daily dose of vitamin D available without the UV rays
• Supports strong bones and teeth, helps regulate the immune system and encourages healthy nerve and muscle function
• Take just 1 easy-to-swallow tablet daily; Formulated for the highest level of quality and consistency.
• Helps you absorb more calcium and phosphorus from your food for even more bone support
• Third-party certified and independently tested for GMOs and over 700 contaminants using advanced technology such as mass spectrometry to ensure purity and potency.