Quabain May 2026

: It is extracted from the seeds of Strophanthus gratus and the bark of the Acocanthera ouabaio tree.

Na+/K+cap N a raised to the positive power / cap K raised to the positive power QUABAIN

(pronounced WAH-bane ), also known as g-strophanthin , is a potent cardiac glycoside and steroid hormone naturally found in both African plants and mammals. Historically used by African hunters as an arrow poison due to its rapid effect on the heart, it is now primarily used as a research tool for studying cell signaling and, in some countries, as a medication for heart conditions. How it Works: The Na+/K+-ATPase Pump : It is extracted from the seeds of

: High doses have shown an ability to inhibit the growth of certain tumor cells, including thyroid and lung cancers. How it Works: The Na+/K+-ATPase Pump : High

: It binds to and stops the pump, causing sodium to build up inside the cell.

Ouabain’s primary mechanism is its high affinity for the (

: At low doses, it doesn't just "break" the pump; it acts as a messenger, triggering pathways that can affect cell growth, survival, and inflammation. Origins: Plant vs. Human