From 150 to 400 micrograms of LSD is a normal range. While this book focuses on LSD, a full range of similar experiences can occur with mescaline or psilocybin. If the voyager is taking mescaline, 1 microgram of LSD is equal to 1 or 2 milligrams of mescaline. If psilocybin is used, 30 milligrams
