Tolerance develops swiftly to the effects of LSD. After the 3rd or fourth consecutive days of using LSD, no amount of the drug can develop the desired effects. However, just after a brief period of abstinence (about a few to four times), tolerance need to return to normal.two NIDA points https://ztndz.com/story19952190/the-definitive-guide-to-how-long-does-lsd-stay-in-system