High for what barrier? 200µg is certainly enough to perceive the world radically differently—so, very high to a sober person. However, it's very low on the sca

High for what barrier? 200µg is certainly enough to perceive the world radically differently—so, very high to a sober person. However, it's very low on the scale of LSD you can safely ingest. Either way, the dude had more going on than an acid trip that day.