Glycyrrhizin an increase in blood pressure, may cause irregular heart rhythm, and adverse interactions with prescription medicines. The effects on body fluids are related to the inhibition of cortisol metabolism within the kidney, subsequent stimulation of the mineralocorticoid receptors, and decrease in blood levels of renin, potassium, and aldosterone, which collectively lead to increases in blood pressure. Depending on amount and frequency of ingesting black licorice, other side effects may include: Glycyrrhizin is under laboratory and preliminary clinical research for its possible activity against common viruses, such as hepatitis C. In vitro, glycyrrhizin inhibits the enzyme 11β-hydroxysteroid dehydrogenase. After oral ingestion,
Schisandra glabra more. Leaves are elliptic to cordate (heart-shaped), up to 13 cm (5.2 inches) long. The plant is monoecious, with staminate (male, pollen-producing) and pistillate (female, seed-producing) flowers separate on the same plant. Sepals are whitish, petals pink or red. Berries are red, spherical to ellipsoid, up to 15 mm (0.6 inches) long. It can be found in wooded bluffs, hillsides and ravines at elevations less than 500 m (1650 feet). Some sources spell the name "Schizandra", while others use the now-rejected name "Stellandria". "Schisandra" is the accepted spelling. Schisandra glabra Schisandra glabra, the bay star-vine, is the only American species