SOWELO D3 K2 MK7 IS A PREPARATION CONTAINING 200mcg of vitamin K2 MK7 and 20000 IU of vitamin D3 in one tablet. SOWELO VITAMIN D3 20000 IU + K2MK7 200mcg TABLETS. Vitamin D3 facilitates bone mineralization processes, influences the absorption of calcium and phosphorus from the digestive system.