Solaray - Vitamin K2 Menaquinone-7 50 mcg. - 60 Vegetable Capsules Solaray Vitamin K2 vegetable capsules contain 50mcg of menaquinone-7 derived from chickpea. Menaquinone-7 (MK-7) is known to have a longer half-life than other forms of Vitamin K and is therefore believed to offer unique benefits to