Compound Monograph

Speciophylline

A pentacyclic oxindole alkaloid reported in cat's claw and kratom, belonging to the oxindole class.

Classification

Speciophylline is one of the oxindole alkaloids, part of the alkaloids class. Nitrogen-containing, often bitter and physiologically potent compounds — the group behind many of the strongest plant medicines and poisons.

Where Does It Come From? (2)

Speciophylline is one of the oxindole alkaloids, found in Cat's Claw and Kratom.