Panax quinquefolium (Huaqishen)

Common Name:
American ginseng

Distribution:
Appalachia, Wisconsin,  Canada, Northeastern China, France

Properties (characteristics):
Sweet, slightly bitter, cool. Compared to Korean and Chinese ginseng, American ginseng is relatively cool. 

Channels (meridians) entered:
Heart, Lung, Kidney

Actions & Indications:
Tonic for Lungs Yin, Clear Fire of Weakness, Promote Saliva, Quench Thirst, Heal Deficiency of Lungs and Chronic Cough, Asthma, Chronic Bronchitis, Pneumatocele, Loss of Blood, Dry Mouth and Thirst, Tiredness and Unrest, Fever Due to Weakness

Medical Function:
1. Affect central nervous system. Calm down the brain. Moderate stimulation of CNS.
2. Adjust the body function towards external stimulation. Resist lack of oxygen and fatigue. Anti strong stimuli, e.g., extreme heat. Anti shock.
3. Improve blood circulation to the heart.
4. Improve immune system.
5. Other effects. It can increase DNA and RNA of the liver, and can resist the damage of the DNA of the spleen. It promotes urination. It can increase the cAMP of the tumors of collagen of nerves. 
6. Toxicity is very low.

Dosage: 1.5 - 30 g per day
Cautions: There are some cases of allergic reaction to American ginseng.