This prevents a build up of negative effects, which may damage, rather than benefit, your spleen and stomach. Ginseng should not be taken over long periods. That may lead to headaches, high blood pressure and even insomnia. White ginseng is known for its neutral qualities, and is used as a general tonic. Red, or Korean ginseng, has strong, or hot, properties.
American ginseng is a mild tonic.
If you wish to take ginseng for any ailment, first have a word with your doctor. If he raises no objections, consult a herbal practitioner. If you have no major illnesses and intend to take ginseng for general health purposes, it's still advisable to first consult some herbal practitioner. It should not be taken over a long period of time. It should not be taken by those suffering from headaches, high blood pressure, night sweats, and other signs of internal heat.