American Ginseng

American Ginseng is an adaptogenic root known for its potential to reduce blood glucose levels, modulate immune function, & improve cognitive performance.

metabolicimmunecognitiveadaptogen

Evidence last reviewed: 05 Apr 2026

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Biomarkers studied

Outcomes directly measured across the evidence records below

Metabolic

Blood Glucose

Cognitive

Cognitive Function

Immune

Immune Function

Evidence

4 records

cancer-related fatigue

adults undergoing cancer treatment • Systematic review

PUBMEDModerate

American ginseng significantly reduced fatigue in adults undergoing cancer treatment.

Dose: 2000 mgDuration: up to 8 weeks

Citation: Karmazyn et al. (2011). Therapeutic potential of ginseng in the management of cardiovascular disorders. Thrombosis Research.

immune function

general population • Systematic review

PUBMEDLow

American ginseng may modulate immune function, though evidence is limited.

Dose: 400 mg

Citation: Nahas et al. (2011). Complementary and alternative medicine for prevention and treatment of the common cold. Journal of Pharmaceutical Sciences.

blood glucose control

patients with diabetes • Systematic review

PUBMEDLow

American ginseng showed potential for glycemic control in diabetes management.

Dose: 400 mg

Citation: Yeh et al. (2003). Systematic review of herbs and dietary supplements for glycemic control in diabetes. Expert Opinion on Investigational Drugs.

cognitive function

adults • Review

PUBMEDLow

American ginseng extract may improve neurocognitive function.

Dose: 400 mgForm: Extract

Citation: Bell et al. (2026). Effects of American ginseng (Panax quinquefolius) extract on human neurocognitive function: a review. Journal of Medicinal Food.

Forms

Capsule

Commonly used for standardized dosing.

Powder

Can be mixed with liquids or foods.

Extract

Concentrated form for higher potency.

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