ALEXANDRIA, Va., June 10 -- United States Patent no. 12,290,547, issued on May 6.

"Stamina-improving composition and stamina-improving natural tea comprising same" was invented by Jong Hyun Nam (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A stamina-improving composition, a stamina-improving functional food including same and, more specifically, to a stamina-improving natural tea is provided. A stamina-improving composition including as an active ingredient at least one selected from Orostachys japonicus and Vigna vexillata var tsusimensis Matsumura is provided."

The patent was filed on March 7, 2022, under Application No. 17/687,939.

*For further information, including images, charts ...