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iso-LSD is a non-psychoactive isomer that can form during LSD production and may indicate inadequate synthesis or purification; prolonged storage may also promote conversion of LSD to iso-LSD. Some people report that it changes or inhibits the effects of LSD, but there is currently no scientific evidence for that claim. Whether iso-LSD has other pharmacologically relevant effects, particularly at higher amounts, remains uncertain.
Also known as: iso-LSD tartrate, iso-LSD-Tartrat
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