7-OH, short for 7-Hydroxymitragynine, is a naturally occurring alkaloid found in the Mitragyna speciosa plant, commonly known as kratom. It is one of several active compounds that occur in trace amounts in raw kratom leaves. In some products, 7-OH is isolated or standardized for consistency in formulation. As a plant-derived alkaloid, it has gained attention for its unique chemical structure and its presence in various botanical preparations. Usage and legality may vary depending on local regulations.