How much Ginseng should I take daily?
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Ginseng, a traditional medicinal herb, has been widely used for its potential health benefits. The appropriate daily intake of ginseng can vary depending on the form and purpose of usage.
- Doses of American ginseng (Panax quinquefolius) ranging from 1,000 to 2,000 mg per day may help improve cancer-related fatigue without significant toxicity.
- Historical literature suggests that the safe daily dose of ginseng in root slices decoction form is between 7 g and 11 g, not exceeding 18 g. For root powder decoction, the favorable dose range is 1 g to 4 g, with a maximum single dose of 5 g. In pill or powder form, the maximum dose is 6 g, constituting 12% to 30% of the total prescription.
- During lactation, ginseng should be taken in doses less than 1.5 g per day as a nutritional supplement, and higher medicinal doses should be consulted with a specialist.
- Korean red ginseng extract has been found to have no observed adverse effect level (NOAEL) at doses up to 2,000 mg/kg/day in a subacute oral toxicity study in rats.
In conclusion, the daily intake of ginseng can range from 1 g to 2,000 mg, depending on the form and individual health conditions. For specific therapeutic purposes, such as improving cancer-related fatigue, doses of 1,000 to 2,000 mg per day are suggested. Historical texts recommend a safe range of 7 g to 11 g for root slices decoction and 1 g to 4 g for root powder decoction. Lactating women are advised to consume less than 1.5 g per day unless under specialist guidance. Toxicity studies in animals have shown no adverse effects at high doses, indicating a broad safety margin for human consumption.
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