Rg2 is a type of chemical compound known as a glycoside, which is derived from the Rg1 compound found in ginseng. It is often studied for its potential health benefits, including its effects on energy levels, cognitive function, and overall well-being. Research suggests that Rg2 may have antioxidant properties, helping to protect cells from damage caused by free radicals. Additionally, it is believed to support the immune system and may contribute to improved physical performance, making it a popular ingredient in dietary supplements and herbal products.