Why MK-7 May Be the Better Vitamin K2 for Bone and Heart Health
Dr. Kumar’s Take:
This study helps clear up an important question about vitamin K2 supplements: which form actually gets into your bloodstream? The researchers found that menaquinone-7 (MK-7) is well absorbed, stays in the blood for longer, and builds up with daily use. In contrast, MK-4 did not show up in the blood at all at nutritional doses.
If you’re choosing a K2 supplement to support your heart or bones, this study suggests MK-7 is the better choice for bioavailability.