How long does LSD last? Like from start to peak to calmdown.

Not Medical Advice: It depends on your metabolism and the amount ingested, but effects of LSD usually begin in 30-90min and may last up to 12 hours!

Tags: lsdmetabolism 
Wednesday, February 01 2012


Source: http://alcoholism.about.com/cs/lsd/f/lsd_faq04.htm

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