Kratom Research Institute

Safety · 2026-09-07

Two Colorado deaths reported in local 7-OH cases as officials urge caution

Source: Steamboat Pilot & Today

Why it matters

The report describes two fatal cases in Colorado involving 7-OH products and other substances, with local clinicians and law-enforcement officials calling for better consumer and provider information. It also illustrates why product concentration, co-use and labeling matter in real-world safety assessments.

The big picture

Kratom products vary widely, and 7-hydroxymitragynine (7-OH) may appear in concentrated formulations. The article is local reporting, not a controlled study, so it cannot establish causation beyond the determinations cited from medical examiners and officials.

Key findings

What they say

University of Colorado Anschutz pharmacology and toxicology professor David Kroll said natural and semi-synthetic kratom compounds have “great health risks when combined with any other depressant of the central nervous system.”

Bottom line

**The local cases reinforce that concentrated 7-OH products and co-use with sedating substances require careful safety attention.**