San Mateo County Becomes First Bay Area Jurisdiction to Ban Kratom and 7-OH Products

Why it matters

San Mateo County's decision to ban kratom and 7-OH products sets a precedent for Bay Area regulation of largely uncontrolled substances linked to addiction and overdose deaths. This local action addresses a regulatory vacuum while state legislation moves slowly.

The big picture

Kratom has shifted from traditional leaf products to high-potency concentrated extracts, particularly 7-hydroxymitragynine (7-OH), which acts as a potent opioid with up to 22 times greater receptor affinity than morphine. California has documented 27 kratom-related deaths from 2020-2022. San Mateo County's ban applies to both traditional leaf and synthetic products, though some advocates argue for differentiation between natural and concentrate forms.

Key findings

• San Mateo County supervisors voted 5-0 to ban all kratom and 7-OH products in unincorporated areas
• Violations are treated as misdemeanors with fines up to $1,000 and six months jail
• Retailers face permit and license revocation
• Products are widely sold in smoke shops, gas stations, and online despite FDA warnings
• 27 documented kratom-related deaths in California 2020-2022

What they say

Supervisor Ray Mueller: "People are going in to stores and really finding an opioid that is readily present, available and being marketed and, in many cases, being marketed to youth." Dr. Kismet Baldwin-Santana, San Mateo County Health Officer: "There are known health risks due to kratom and its alkaloid derivatives, including overdoses, deaths and other adverse effects."

Bottom line

San Mateo County's comprehensive ban reflects growing consensus that unregulated kratom, especially concentrated forms, poses unacceptable public health risks requiring local intervention when state action stalls.