The most plausible purpose is apparently a result of the greater molecular mass of 1V-LSD when compared to other LSD-25 analogues (not to mention LSD alone, which has the smallest molar mass of all lysergamides), which is able to probable influence the way it is metabolized by the human body, https://jaidenibluc.wikigop.com/804463/detailed_notes_on_1p_lsd_150mcg_art_blotters