Captagon

by, um, North Korea. Though, according to recent reports, that may no longer be the case:

Opium is replacing methamphetamine as the drug of choice in North Korea as the pandemic has disrupted Chinese supplies of the raw materials needed to make meth, residents in the country told Radio Free Asia.

Perhaps a similar switch could happen in Syria and the Middle East. Afghanistan may no longer be the world's largest opium supplier – overtaken by Myanmar after the Taliban imposed a ban in 2022 – but it still goes on. Keeping it all, as it were, in the Islamic family.