1B-LSD, or full name: 1-butanoyl-lysergic acid diethylamide is a similar product to: 1P-LSD now available to buy.
1B-LSD was made to replace 1P-LSD in countries where it is controlled. Less potency on paper so have a dose per blotters of 125mcg.
Please Research Chemicals carefully. No human consumption..
STAY SAFE!