Vitamin K is an essential nutrient, best known for its role in normal blood clotting.* Vitamin K, specifically in the form of vitamin K2 such as menatetrenone and menaquinone-7, supports cardiovascular, bone, and connective ...

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Vitamin K is an essential nutrient, best known for its role in normal blood clotting.* Vitamin K, specifically in the form of vitamin K2 such as menatetrenone and menaquinone-7, supports cardiovascular, bone, and connective tissue health.*

  • Premium Form of Vitamin K - Ultra K2 provides 15 mg of vitamin K2 in the MK-4 form. Vitamin K2 MK4 can help support healthy bones and connective tissue. By promoting normal cartilage health, it can also help support joint mobility and flexibility.*
  • Promote Bone Health & Healthy Calcium Use - The K2 vitamin plays an important role when it comes to calcium. It can help activate the calcium-binding properties of proteins, which enables calcium to travel to, and benefit, different tissues around the body.*
  • Support Cardiovascular Health - The K2 form of Vitamin K has been clinically studied for its role in supporting healthy bone metabolism and cardiovascular health.*
  • Non-GMO and Vegan - This hypoallergenic Vitamin K2 supplement is free of the following common allergens: milk/casein, eggs, fish, shellfish, tree nuts, peanuts, wheat, gluten, soybeans, corn, and yeast. It contains no artificial colors, flavors, or preservatives.
  • Klaire Labs is Now SFI Health - Klaire Labs has been part of the SFI Health family for many years leading the way in efficacy, safety, quality, and trusted by healthcare practitioners. While we might be changing the way things look, rest assured that our formulations and Vit K2 supplement lines remain the same.

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