Colorado (CO) — What’s Legal

Checked Oct 13 2025 • Parent-friendly summary (not legal advice).

Tianeptine: Not specifically scheduled (as of 2025).
Phenibut: Not scheduled; FDA position applies.
Kratom: Regulatory push in 2025 to set 21+, labeling, and ban candy/vape forms (watch final rule text).
Nitrous oxide: Misuse addressed via general inhalant laws; professional/medical use regulated.
THC / Cannabis: Adult-use legal (since 2014).
Salvia / Amanita: Not scheduled statewide.
“Mad honey”: No CO-specific ban; food hazard framing.

Parent tip: Watch for “candy” or “vape” kratom products — Colorado is moving to ban those packaging styles.