| Substance | Michigan | Federal |
|---|---|---|
| 7-OH (7-hydroxymitragynine) | not checked yet | pending: Temporary Placement of 7-Hydroxymitragynine Above a Specified Threshold in Schedule I |
| MGM-15 | not checked yet | Controlled substance (in effect since 2026-08-26) |
| Mitragynine pseudoindoxyl | not checked yet | Controlled substance (in effect since 2026-08-26) |
| Kratom (leaf and extracts) | not checked yet | Restricted |
| Nitrous oxide (whippets, tanks) | Restricted (in effect since 2024-06-10) | Regulated; pending: H.R. 7945, Nitrous Oxide Safety Act of 2026 |
| Hemp THC and THCA | not checked yet | Regulated; pending: Public Law 119-103, division B, § 2019; restricted from 2026-12-11 |
| Tianeptine | not checked yet | pending: Schedules of Controlled Substances: Placement of Tianeptine in Schedule I |
| Phenibut | not checked yet | not checked yet |
| Poppers (alkyl nitrites) | not checked yet | Banned (in effect since 1991-02-27) |
| SR-17018 (5,6-dichloro desmethylchlorphine) | not checked yet | Controlled substance (in effect since 2026-08-27) |
an object specifically designed for inhaling nitrous oxide for recreational purposes
THIS AMENDED SECTION IS EFFECTIVE JUNE 10, 2024
MCL 333.7455, as amended by 2024 PA 19 Michigan Legislature
Our note: Restricts selling inhaling devices (crackers, balloons sold for the purpose), not the gas itself.