Siberian ginseng contains remarkable compounds that favorably affect the adrenal glands, the small glands that rest atop the kidneys and secrete stress-fighting hormones. Taking the herb is believed to boost the body\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'s capacity to handle physical stresses ranging from heat exposure to extreme exertion. Resistance to disease increases as well. So does one\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'s overall energy level.