What is the difference between Menadione and vitamin K4?

(1), vitamin K1, K3 and K4 have a role in homeostasis, but the role of K1 K3 and K4 than the strong, K3 and K4 of the role of the weak, the role of time is short.
(2) Vitamin K1 is for injection, Vitamin K4 for oral administration. K1 in the intestines due to the help of bile or bile salt can be Xishouruxue, so oral bile salt must also take K1, K3, K4 do not need the help of bile or bile salt can be absorbed. Vitamin K3 is used for injection.
(3) Vitamin K1 has fewer adverse reactions, when only intravenous injection of the face, sweating, chest distress. Synthetic K3, K4 are more side effects, after oral administration may have nausea, vomiting, large doses can cause proteinuria.