Research substances, often described "novel psychoactive drugs," present a significant challenge due to their rapid nature. These products are typically produced for laboratory exploration, but are sometimes encountered in the street drug trade. The absence of extensive research on their potential effects means users face considerable medical risks

The concerning combination is surfacing among individuals: the combined use of legal lean syrup – often containing this cough suppressant – and kratom, a tropical plant. This potentially lethal alliance presents significant health risks. Both substances independently carry considerable danger, but their interaction can worsen unfavorable effect