: 08/28/2021
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What is ginseng and what does it do?
There two main types of ginseng root: Asian ginseng (Panax ginseng, often sold as Panax, Chinese or Korean ginseng) and American ginseng (Panax quinquefolius, which includes what is sold as Wisconsin ginseng). Note that "Siberian" or "Russian" ginseng is not true ginseng and does not contain the same active compounds as real ginseng. Ginseng is normally off-white in color but, when steamed and dried, it is "red" -- both forms are sold. (See What It Is for more details.)
As discussed in detail in the What It Does section, ginseng is widely used with the belief that it will improve overall energy and vitality, although there is little clinical evidence of this. Korean red ginseng is particularly popular for enhancing sexual function. Some studies in men with erectile dysfunction have shown some benefit, and some studies in women have shown improvement in sexual arousal.
There is preliminary evidence that ginseng extract can help improve blood sugar levels in people with type 2 diabetes, although it did not improve levels in a study of people with metabolic syndrome. A study found minor benefit with ginseng extract in people with liver dysfunction.
Despite some positive results, the role of ginseng in preventing the common cold or flu remains uncertain and, overall, there is not enough evidence to support using it for such purposes. In children with ADHD, a ginseng extract appeared to reduce hyperactivity but did not improve inattention. A study found ginseng to improve symptoms in women with cold hypersensitivity (which can include Raynaud's). -
What did ConsumerLab find when testing ginseng supplements?
Our tests showed a very wide range in the amount of ginsenosides in ginseng supplements. Per serving, ginsenosides ranged from as little as 7.4 mg to as much as 82.9 mg. One product was Not Approved, as it contained only 77.4% of the minimum amount of ginsenosides we expected from its claimed amount and form of ginseng. (For details, see What CL Found.) -
Which is the best ginseng?
Among the products that passed testing, ConsumerLab.com chose three Top Picks — one Asian ginseng supplements and two American ginseng supplements. These provide high quality ginseng at relatively good value. -
How much ginseng should I take?
Dosage depends largely on the form of ginseng used: Generally about 1,000 mg (1 gram) of root powder is taken twice daily, while only about 100 mg of root extract is taken twice daily, but dosage can vary significantly based on type of ginseng and reason for use. Effects may take days or weeks. (See What to Consider When Using). -
Is ginseng safe and does it cause side effects?
Ginseng is generally thought to be safe when taken in appropriate suggested amounts, although its safety has not been established during pregnancy or breast-feeding. Due to its potential effect on blood sugar levels, people with diabetes should be cautious about using ginseng. Ginseng may also interact with a range of drugs including warfarin and statins. It may also stimulate breast cancer cells, so should not be used in people with breast cancer. For details, see Concerns and Cautions.
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Ginseng Supplements Review
Find the Best Ginseng Supplement. Key "Ginsenosides" Found to Range 10-Fold Across Products.
Medically reviewed and edited by Tod Cooperman, M.D.
Ginseng supplement brands compared in this review
Body Gold Ginsana Energy
BulkSupplements.com Ginseng Root Extract
Gaia Herbs American Ginseng
Ginx Nutrition Red Ginseng Immunity Gummy
Imperial Elixir American Ginseng
Nature's Way Asian Ginseng
PipingRock.com Super Ginseng Complex
Prince Of Peace Pure American Ginseng Powder
Puritan's Pride Korean Ginseng Extract
Rexall Korean Ginseng 100 mg
Solgar Korean Ginseng Root Extract
Make sure the ginseng supplement you take passed our tests and is right for you!
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Summary
You must be a member to get the full test results along with ConsumerLab.com's recommendations and quality ratings of ginseng supplements. You will get results for 11 supplements — eight selected by ConsumerLab.com and three which passed testing in our voluntary Quality Certification Program.
In this comprehensive review, you'll discover:
In this comprehensive review, you'll discover:
- Which ginseng supplements passed or failed our testing
- CL's Top Picks among ginseng supplements for quality and value
- The amount of ginsenoside compounds in each ginseng product and how much you should look for
- What American and Asian Ginseng can or cannot do
- Ginseng dosage for specific uses
- Potential side effects and drug interactions with ginseng
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Related CL Answers (11)
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