As of November 12, 2026, there is no Phenibut ban in Mississippi; Phenibut is legal to sell at retail (Phenibut is not named in Mississippi controlled substance schedules), and no pending ban or effective date is on file.
Verified November 12, 2026. Full determination, citations and verbatim law: Is Phenibut legal in Mississippi?No Phenibut ban is pending in Mississippi as of November 13, 2026.
Every state where Phenibut is banned · All compounds in Mississippi · Is Phenibut Legal? Every state
Compound Laws, published by Compound Analytics, reports the record: statutes verbatim, official citations, enforcement facts and verification dates. Nothing here is legal advice and nothing here describes how to get around a law. A jurisdiction with no verified row is reported as not yet verified, never as legal. Found an error? Corrections policy.
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