NOW Vitamin D3 1,000 IU with Vitamin K2 – Comprehensive Bone, Cardiovascular & Immune Support

NOW combines two essential nutrients—Vitamin D3 and Vitamin K2—that play critical roles in maintaining your overall health. Together, these vitamins work synergistically to support strong bones, healthy teeth, cardiovascular function, and immune system resilience.

If you’re interested in other vitamin D supplements, see our Vitamin D collection.

The Importance of Vitamin D3

Vitamin D3 helps your body absorb and transport calcium efficiently, which is vital for building and maintaining strong bones and teeth. Without sufficient Vitamin D3, your bones can become thin, brittle, or misshapen; therefore, the risk of fractures and osteoporosis increases.

In addition to its well-known skeletal benefits, recent scientific studies suggest that Vitamin D3 supports proper insulin action and glucose metabolism. As a result, it may help regulate blood sugar levels and support metabolic health. Furthermore, Vitamin D3 has a significant role in the immune system. Specifically, it enhances immune cell function and reduces inflammation, which in turn may contribute to improved resistance against infections.

👉 Learn more from the NHS on Vitamin D.

The Role of Vitamin K2 in Your Health

Vitamin K2 is equally important for your health, especially in bone and cardiovascular systems. For example, it activates proteins that regulate calcium deposition, ensuring calcium is directed to bones and teeth rather than soft tissues or arteries.

This regulatory function helps maintain arterial flexibility and reduce the risk of arterial calcification, which is strongly linked to cardiovascular disease. Moreover, Vitamin K2 promotes the formation of a strong, healthy bone matrix by activating osteocalcin, a protein critical for bone mineralization. Consequently, it plays a dual role in protecting both skeletal and heart health.

👉 See NIH research on Vitamin K.

Synergistic Benefits of Vitamin D3 and K2

When taken together, Vitamin D3 and K2 create a powerful synergy that enhances your body’s ability to manage calcium and maintain optimal health. On one hand, Vitamin D3 increases calcium absorption from the diet. On the other hand, Vitamin K2 directs calcium to the bones and prevents its buildup in the arteries.

This combination supports not only skeletal health but also cardiovascular well-being and immune function. Therefore, for individuals concerned about aging, osteoporosis, or cardiovascular disease risk, supplementing with both vitamins provides targeted and comprehensive support.

💡 Related product: NOW Vitamin D3 2,000 IU
📖 Further reading: NIH – Vitamin D Fact Sheet

Suggested Use and Storage

To maximize benefits, take one capsule one to two times daily with food. Because both nutrients are fat-soluble, consuming them with a meal that contains healthy fats ensures better absorption. Additionally, store the bottle in a cool, dry place after opening to maintain freshness and potency.

Natural Product Variation

Please note that natural color variation may occur in this product due to its natural ingredients. However, this does not affect the quality, safety, or effectiveness of the supplement.