The Rapid Action Battalion-7 recovered a truck, laden with Phensedyl, from Pahartali area in the Chittagong city.
The RAB also seized a private car along with five drug peddlers. 
Acting on a tip-off, RAB members arrested the drug peddlers after conducting a drive Wednesday morning and recovered 590 bottles of Phensedyl.
The RAB-7 sources said the Phensedyl-laden truck was being brought to Chittagong from Comilla.
The peddlers used the private car for escorting the truck.
The peddlers were handed over to the police and the process was on for filing a case.