Depending on what you are looking for, "Super K" typically refers to either a popular vitamin supplement, a performance foiling board, or an animated film. Life Extension Super K

: It is not safe for those on blood thinners like warfarin without medical supervision. 2. KT Ginxu Super K (Foiling Board)

: Users on iHerb and Amazon frequently mention the small, easy-to-swallow softgel format.

is a highly-rated supplement designed to support heart and bone health.