Boost Shatter – THC Concentrate MK Ultra 1g (5 Pack) ABOUT THIS STRAIN MK Ultra, also known as “MK Ultra OG,” is a potent indica marijuana strain made by crossing OG Kush with G13. This strain produces euphoric effects that are fast-acting and best for when strong medication is desired. MK Ultra is bred by T.H. Seeds and won 1st place Indica at the High Times Cannabis Cup in 2003 and 2nd place in 2004. Each pack contains 1 gram. Recommended Storage: Keep Away from Children & Pets. Store in a cool, dark place away from direct sunlight.