For years, the vitamin K supplement has been the neglected stepchild in the world of nutrition, while
Dutch researchers discovered very strong links between the benefits of vitamin K intake, arterial calcification and cardiovascular death. In this clinical trial of nearly 5,000 older Dutch men and women, known as the Rotterdam study, participants with the highest consumption of vitamin K had a 50 percent reduction in arterial calcification and death from cardiovascular disease, and a 25 percent decline in overall mortality.
Vitamin K Supplements: Two KindsBut which type of vitamin K should you take? Vitamin K is actually a group of fat-soluble compounds divided into two primary groups: K1 and K2, and they’re not exactly the same. K1 is abundant in broccoli, kale, chard and other leafy greens; there’s also a little in olive and vegetable oils. K2 is found in fatty meat, egg yolks, and fermented products such as
These two types of vitamin K also have somewhat different physiological actions. K1 is more active in clotting, while K2 is the preferred form in the soft tissues and bones. In the Rotterdam study mentioned above, the benefits of vitamin K2 intake reduced risk of arterial calcification, heart attack and death, while K1 consumption had no protective effect.
Vitamin K Supplement Forms and DosageBecause vitamin K supplements come in various
The usual suggested
Now it’s your turn: Do you take a vitamin K supplement?