There is an active ingredient, in Zaza, Tianaa, and Red Dawn called Tianeptine. This is a banned ingredient in the US.
https://www.fda.gov/news-events/press-announcements/fda-warns-marketers-products-labeled-dietary-supplements-contain-tianeptine-making-unproven-claims
This drug is being marketed as a dietary supplement, with claims to help people who suffer from opioid use, claims to help with your IBS, as well as depression.
Tianeptine is a tricyclic anti-depressant that is also known to have opioid receptor activity. There is presence of two fatal cases of tianeptine intoxication in Texas in which tianeptine was used recreationally.
People are using this over the counter legal drug to pass through drug court, get through work release, and function as an addict similar to the illegal or illicit drugs they once used to get high illegally.