Vitamin D3 is from 100% Plant Origin. Directions For Use Shake well before use. Carefully spray into your mouth. ideally into the side of yourcheek. and hold for a few seconds. 1 X spray = 1000IU D3 +50mcg K22 x sprays = 2000IU D3 + 100mcg K2 3 x sprays = 3000IU D3 + 150mcg K2 Once opened.