The quality is not worse than the NOW, maybe even a little better. There is some effect. Systematically to ginseng really very close American ginseng - grows in the northeast United States and southeast Canada. root properties are primarily concerned with triterpene saponins. Ginseng has stimuliruyushee, obshetoniziruyushee and strengthening effect. He is seen as a means of contributing to longevity, especially useful in old age when the general weakness, fatigue, exhaustion, impotence, depression. ginseng have great therapeutic breadth of action, non-toxic, can be used for a long time. Ginseng root is a potent activator of the central nervous system, but it does not cause drug dependency and addiction, does not disturb sleep, increases efficiency in terms of night waking. Preparations from the ginseng root stimulates the dynamics of neural processes, a beneficial effect on blood picture, increased gas exchange, stimulate tissue respiration (especially the brain) accelerates the carbohydrate and fat metabolism, increase hormone levels, increase the amplitude and reduce the frequency of heart rate, promotes rapid healing wounds and ulcers . Ginseng tincture, taken internally, increases the secretion of bile, increases the sensitivity of the eye in the process of dark adaptation. When prophylactic Ginseng increases resistance to extreme environmental conditions, toxins, pathogenic agents and other stress factors. Ginseng exhibits clearly pronounced seasonal effect: its reception is most effective in autumn and winter. The spring and the opposite effect can be expected in the summer. Eastern medicine prescribes receiving ginseng in combination with physical labor outdoors. Contraindicated in hypertension in the acute phase of infectious diseases. Long-term use of ginseng and its application in large doses cause adverse effects: palpitations, pain in the heart and the head, dizziness.