Vitamin K

Other names Vitamin K1, Vitamin K2, Phylloquinone, Menaquinone

This nootropic has no healthy human placebo-controlled studies that meet our inclusion criteria. Negative side effects can occur if used carelessly, so make sure you’re aware of the risks of Vitamin K.


The legality and side effects of Vitamin K


Frequently asked questions about Vitamin K


Studies conducted on the effects of Vitamin K in healthy humans

Last updated Saturday, June 10, 2023