: It is extracted from the seeds of Strophanthus gratus and the bark of the Acocanthera ouabaio tree.
: Produced in the adrenal glands and hypothalamus, it circulates in the blood at very low levels. Levels naturally rise during physical exercise or times of high salt intake. Modern Research & Potential Uses QUABAIN
While once thought to be exclusively plant-based, scientists discovered that humans and other mammals produce an version of ouabain. : 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. QUABAIN
: Experimental work has looked at ouabain's potential to "switch off" pain signals in peripheral neurons.