Missouri Senate Bill Would Cap 7-OH Concentration and Ban Sales to Minors

Why it matters

The bill sets a concrete potency threshold, above 1,000 parts per million 7-OH on a dry-weight basis, for what counts as an illegal concentrate, giving retailers and regulators a bright line that most current state actions lack.

The big picture

Missouri joins a wave of states legislating around 7-hydroxymitragynine rather than kratom leaf itself, following the DEA's temporary emergency scheduling of related compounds. The approach mirrors similar potency-based caps proposed elsewhere and reflects an emerging consensus that concentration, not the plant itself, is the regulatory target.

Key findings

• SS/SB 1605 makes 7-OH above 1,000 ppm dry-weight a Schedule I controlled substance in Missouri
• The act bans adulterated kratom products, sales to anyone under 21, and products that mimic candy or appeal to children
• Combustible or vaporizable kratom products are also prohibited under the bill
• Required labels and disclaimers are mandated for legal kratom products
• Violations are treated as unlawful practices under Missouri's Merchandising Practices Act
• The provisions are substantially similar to HB 1614 (2026) and SCS/SB 927 (2026), suggesting bipartisan legislative momentum

What they say

The bill summary states the act "prohibits the preparation, distribution, advertisement, sale, or offering for sale of a kratom product" that exceeds the 1,000 ppm 7-OH threshold or is marketed to minors, per the official Missouri Senate bill summary prepared by Sarah Haskins.

Bottom line

**Missouri's proposed 1,000 ppm 7-OH threshold gives the state a testable, enforceable line between regulated kratom leaf and restricted concentrates, a model other legislatures are likely to copy.**