Heart Disease 8. The plant grows wild in shady forests of the northern and central United States, as well as in parts of Canada. It is cultivated in the United States, China, and France. Medicinal uses ranged from digestive disorders to sexual problems. The Chinese began to use American ginseng after it was imported during the 1700s.
American ginseng is considered superior for gastrointestinal problems.
A recent study of healthy volunteers found no benefit in exercise performance after one week of taking American ginseng. This study might have been too short to determine definitive results, and additional clinical trials are needed to determine American ginseng's medical uses. Standardized extracts of American ginseng, unlike Asian ginseng, are not generally available. 8 Reducing intake of American ginseng or avoiding it later in the day can lessen the chances for adverse effects. At the time of writing, there were no well-known drug interactions with American ginseng.