AMERICAN GINSENG: DOSING

The following doses have been studied in scientific research:

BY MOUTH:
For reducing blood sugar in people with type 2 diabetes: 3 grams up to 2 hours before a meal. American ginseng should be taken within 2 hours of a meal. If it is taken too long before eating, the blood sugar might become too low.100-200 mg of American ginseng have been taken daily for up to 8 weeks.

For preventing upper respiratory tract infections such as the common cold or flu: a specific American ginseng extract called CVT-E002 (Cold-fX, Afexa Life Sciences, Canada) 200 mg twice daily for 3-4 months has been used.