Most Active Form of Vitamin K2 Supports Bone And Cardiovascular Health Dietary Supplement VitaMK7 ® Jarrow Formulas® MK-7 is naturally made via fermented by Bacillus subtilis subsp. natto and is much better absorbed than K1 from spinach. MK-7 is a longer-acting form of vitamin K vs. K1 and MK-4, and better supports carboxylation of specific proteins needed to build bones and support cardiovascular health. Информация о добавках Serving Size: 1 Softgel Amount Per Serving %Daily Value Vitamin K2 (as Natural MK-7 [Menaquinone-7]) 90 mcg † †Daily Value (DV) not established.