Thorne's Vitamin K contains three clinically studied forms of vitamin K – vitamin K1, and two forms of vitamin K2 (MK-4 and MK-7). It contains significantly more MK-4 than most other multiple-K products on the market.

Benefits of Thorne’s Vitamin K:

• Supports the normal and healthy ability of the blood to clot*
• Promotes strong bones*
• Helps maintain the health and elasticity of arteries*
• Vitamin K "pairs up" with vitamin D in the body to help keep calcium in the bones where it belongs and out of the blood vessels and other soft tissues*
• Provides the highest quality, clinically studied forms of vitamin K1 and vitamin K2, as MK-4 and MK-7
• Contains significantly more MK-4 than most products on the market and the MK-7 is MenaQ7,® the form used in the majority of MK-7 research 
• In addition, vitamin K offers nutritional support for oncology patients*

This product has been third-party tested and certified to verify what's in the package matches what's on the label and to confirm it contains no unsafe levels of contaminants, such as heavy metals, pesticides, and microorganisms.