The U.S. Food and Drug Administration (FDA) is advising consumers .

: A more potent version that the FDA explicitly warns against. It contains both mitragynine and 7-hydroxymitragynine.

: Marketed as a premium botanical extract shot, typically sold in 8.8ml bottles. It contains highly concentrated mitragynine alkaloids.

OPMS liquid extracts are significantly more potent than traditional powders, often concentrated 10 to 15 times more than standard leaves.

OPMS products are widely distributed through physical and digital channels, though availability varies by local law. OPMS Black Liquid Kratom Extract - FDA