Vitamin K1 is mainly found in green leafy vegetables and vitamin K2 in fermented foods. This supplement contains both, including the MK-4 and MK-7 forms of K2, which come from animal and plant sources.

Nattō is a fermented Japanese soy product that is naturally rich in MK-7, a form of vitamin K2. In Jarrow Formulas K Right, this source is used for MK-7, as indicated on the label.

Olive oil is added as a carrier oil for the fat-soluble vitamins in the softgel. This helps with absorption and makes it easier to process the active ingredients in a stable form.

Yes, interactions with medications may occur, for example with certain anticoagulants such as coumarin derivatives and certain drugs for epilepsy. Therefore, discuss your choice for a supplement with vitamin K with your doctor if you take medications.