MIT 45 Liquid Silver X2 Kratom Extract Shot is a fantastic KRATOM shot. MIT45 is the strongest KRATOM shot available. Extracted in Holland using state of the art machines. It is a true 45% Mitragynine tincture. Hurry! Get it now before we sell out! MIT 45 Kratom Extract Shot is a liquid kratom extract produced in a certified CGMP facility, but don?t think Vivazen or Kratomite. Think . . . well, rocket fuel. It?s a pure, unadulterated and unflavored full-spectrum kratom tincture that logs in at a whopping 45% mitragynine. The result is a pronounced effect that kicks in within minutes of ingestion and takes hours to taper off with no harsh crash or nausea.