Vitamin K2 might just be the most important nutrient you've never heard of. In this episode of Quest Biohacking, we uncover this quiet powerhouse, a vitamin that helps direct calcium to our bones and teeth and away from our arteries, helping prevent dangerous plaque buildup.

We'll dive into the science showing how it supports heart health, bone strength, and even plays a role in metabolism and emerging cancer research. And with modern diets leaving most of us deficient, we'll explore how adding more vitamin K2 could be a simple, powerful step toward healthier aging.

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Vitamin K2 Research Sources

• Dietary intake of menaquinone is associated with a reduced risk of coronary heart disease: the Rotterdam Study

• The Role of Vitamin K2 in Bone and Cardiovascular Health

• Vitamin K2 – a neglected player in cardiovascular health: a narrative review

• Vitamin K Intake and Atherosclerotic Cardiovascular Disease in the Danish Diet Cancer and Health Study

• Six months supplementation with vitamin K may slow progression of arterial stiffness but has no effect on calcification in healthy postmenopausal women

• Vitamin K supplementation and bone health in postmenopausal women—a randomized controlled trial

• Vitamin K and Bone Health: A Review

• Vitamin K2 Therapy for Postmenopausal Osteoporosis

• Vitamin K and bone health: A review of the evidence in the context of chronic kidney disease

• Vitamin K Intake and Periodontal Attachment Loss in the US Elderly Population: Data from NHANES 1999–2004

• Vitamin K2 Level in Serum and its Association with Periodontitis: A Cross-sectional Study

• The Impact of Nutrition on Periodontal Health

• Association between Vitamin K Intake and Periodontitis in Elderly US Adults: NHANES 2009–2014

• Food composition and vitamin K: A comprehensive analysis of vitamin K1 and K2 vitamers in Australian foods