Vitamin D + K2

Vitamin D, a vital nutrient for bone health and immune function, is often referred to as the “sunshine vitamin” because it is produced by the body when skin is exposed to sunlight. But many factors – the time of year, your skin tone, what you eat, how old you are, even where you live, work, and train – can make it difficult to maintain optimal vitamin D levels throughout the year.

On its own, vitamin D supports the body’s ability to absorb calcium. The body also needs vitamin K2 to help direct that calcium where it’s needed most – your bones.

Thorne Vitamin D + K2 provides both nutrients in a once-daily capsule to help you maintain year-round wellness. Each clinically relevant serving delivers active vitamin D3 and vitamin K2 as the well-researched MK-7 in a synergistic formula that promotes bone strength and heart health.

This science-backed combination provides greater complementary benefits not found when these nutrients are supplemented separately: Because D3 and K2 help absorb and move calcium, the Vitamin D + K2 formula plays a dual role promoting bone mineralization and protecting soft tissues, helping to maintain healthy blood vessels and their function and flexibility.

Benefits of Thorne Vitamin D + K2

• Vitamin D3 enhances the absorption and retention of calcium
• Vitamin K2 helps direct calcium to the bones and away from soft tissues, such as blood vessels and kidneys
• Supports a healthy heart and blood circulation
• Benefits bone mineralization for strong, healthy bones
• Benefits immune health and muscle function
• The clinically validated combination of vitamin D to vitamin K2 provides advanced bone health support

Features of Thorne Vitamin D + K2

• Provides vitamin D in its active D3 form, which is better absorbed than the D2 form
• Provides vitamin K2 as MK-7, a well-researched form of vitamin K known for its ability to stay in the body longer and at smaller doses than other forms
• Combines vitamin D and K to deliver synergistic benefits not found when supplemented as separate nutrients*
• NSF Certified for Sport^®

Who can benefit from Thorne Vitamin D + K2

• Individuals who get limited sun exposure because of where they live, work, or train and want additional support for maintaining healthy vitamin D levels
• Adults looking to support healthy calcium absorption, utilization, and bone mineralization
• Athletes who need an NSF Certified for Sport^® formula to balance the demands that rigorous training  may place on bone strength  and the immune system
• Perimenopausal and postmenopausal women seeking additional bone-health support
• Individuals who prefer a convenient, once-daily capsule instead of a liquid vitamin D + K format

Why Thorne

Vitamin D + K2 is formulated with the scientific rigor Thorne is known for. Each ingredient is carefully selected, clinically studied, and tested through multiple rounds of quality control to ensure purity, potency, and consistency. Trusted by health-care practitioners, Thorne delivers evidence-based solutions to support you through every life stage.

Tested for quality you can trust

Because athletes need to know their supplements are trustworthy and compliant, every batch of an NSF Certified for Sport^® product is tested for compliance with label claims and to ensure the absence of nearly 300 substances banned by many major athletic organizations.