Ultra K2 Menaquinone offers a clear calcium management approach, and MK-4 helps support bone density and keep arteries healthy, while Klaire Labs' trusted heritage backs quality and safety. This vegan K2 formula has few inactive ingredients and is hypoallergenic, making it gentler on sensitive stomachs. Klaire Labs has been a trusted name in supplements since 1969, and GMP quality assurance means you’re getting purity and potency you can rely on.

Available Sizes & Variants:

90 capsules - convenient daily supply for ongoing bone, joint and heart health support.

Benefits & Features:

• Supports bone density with the MK-4 form, helping bones stay strong.
• Directs calcium to bones for healthier arteries.
• MK-4 crosses barriers to support cartilage and connective tissue while aiding bone health.
• Manufactured under GMP quality standards with allergen free and non GMO assurances.
• Designed for daily use as a vitamin k2 supplement, it also complements vitamin d3 k2 supplement strategies for supporting bone health and calcium balance overall.

Ultra K2 Menaquinone by Klaire Labs (now SFI Health) draws on decades of allergen free, high purity practice. The MK-4 form is vegan and synthetic yet identical to the natural version, offering a vegan, non GMO option with no major allergens. Manufactured under GMP quality assurance, it supports bone density, cardiovascular health and connective tissue integrity. Japanese clinical work has long studied MK-4's effects, including its ability to cross the blood brain barrier, expanding its potential reach.