Does soy milk have vitamin K in it? And if it does, how much?
Soymilk does contain vitamin K, because soybeans do. Depending on the brand and type of soymilk, one cup can contain between 280-340 mg of vitamin K.
Answered by Jessica Kovarik, RD, LD, Extension Associate, College of Human Environmental Sciences, University of Missouri Extension
Last update: Friday, February 06, 2009