Panax Ginseng

What it is

Panax ginseng (Korean or Asian ginseng) is an adaptogenic root whose active compounds are triterpene saponins called ginsenosides. Standardized extracts (often the G115 extract, about 4% ginsenosides) are studied for effects on cognition, fatigue, and mental performance.

Benefits

Single doses of standardized Panax ginseng (G115) around 200-400 mg have produced short-term improvements in aspects of working memory, calmness, and mental fatigue in healthy adults, with 400 mg often the more effective dose. Effects are modest and largely acute rather than long-term.

When to take it

Studied as a morning dose, with or without food; taking it later in the day may disturb sleep. Cognitive effects in trials were often seen within hours of a single dose.

Side effects

Generally well tolerated short-term; reported effects include insomnia (especially later in the day), headache, digestive upset, and occasionally lowered blood sugar. May interact with anticoagulants and some other medications.

Sources

• Panax ginseng (G115) improves aspects of working memory performance and subjective ratings of calmness in healthy young adults
• Clinical and Preclinical Systematic Review of Panax ginseng and Its Compounds for Fatigue

Products containing Panax Ginseng

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