LifeSource Vitamins American Ginseng — 60 Vegetarian Capsules — Energy, Cognitive & Immune Support*
Our American Ginseng combines authentic Panax quinquefolius root in vegetarian capsules to support alert energy without jitters, promote working memory and cognitive performance, support balanced stress response, reduce perceived fatigue, promote healthy post-meal glycemic balance, support immune resilience during seasonal challenges, provide antioxidant cellular defense, promote mental calmness and focus, support overall vitality, promote adaptogenic resilience, and support traditional herbal use for energy and wellness* — while respecting traditional herbal use. Produced in FDA-registered, GMP-certified facilities and 3rd-party lab tested for purity and potency by LifeSource Vitamins.
Research-Driven & Verified Product.
Explore the clinical research, ingredient science, and global evidence supporting this product below.
Research Promise: At LifeSource Vitamins, our commitment is rooted in research and results. Every benefit below is supported by human clinical studies indexed in the National Institutes of Health (NIH) via PubMed, with full texts available in the National Library of Medicine (NLM) PubMed Central (PMC) when available. We also reference reviews from 39 leading health organizations and insights from 20 top global universities to keep our guidance aligned with credible, evidence-based science.* Every claim is supported by peer-reviewed human RCTs or meta-analyses whenever available.
Clinically Studied Benefits
✓ Supports working memory and cognitive performance* — In healthy young adults, standardized American ginseng improved working memory and calmness across several tasks.* NIH/PubMed — Scholey A, 2010
✓ Promotes attention and alertness* — RCT using patented American ginseng extract reported benefits to attention and alertness in healthy adults.* NIH/PubMed — Bell L, 2022
✓ Supports post-meal glycemic balance* — Multiple clinical trials show American ginseng attenuated postprandial glucose excursions in people with and without type 2 diabetes.* NIH/PubMed — Vuksan V, 2000
✓ Promotes fewer colds and shorter duration* — North American ginseng extract reduced the number and duration of upper-respiratory infections in randomized, double-blind trials.* NIH/PubMed — Predy GN, 2005
✓ Supports reduced fatigue and improved vitality* — Systematic review suggests ginseng may reduce fatigue in select populations; effects vary by extract and dose.* NIH/PubMed — Arring NM, 2018
✓ Promotes balanced stress adaptation* — Reviews describe adaptogenic and antioxidant mechanisms underlying energy and cognitive findings.* NIH/PubMed — Jung IH, 2017
✓ Supports episodic memory in older adults* — Signals for improved delayed episodic memory observed in specific subgroups.* Frontiers — Lee S, 2023
✓ Promotes non-jittery energy and calmness* — Standardized extract improved calmness and mental arithmetic performance in healthy adults.* NIH/PubMed — Scholey A, 2010
✓ Supports immune resilience during seasonal challenges* — Trials show reduced upper-respiratory infection incidence and duration.* NIH/PubMed — Predy GN, 2005
✓ Provides adaptogenic and antioxidant support* — Mechanisms underlie energy, cognitive, and immune findings in reviews.* NIH/PubMed — Jung IH, 2017
Additional / Promising Evidence
✓ Supports cognitive performance signals* — Acute effects on working memory and calmness in healthy young adults.* NIH/PubMed — Scholey A, 2010
✓ Promotes attention and alertness benefits* — RCT showed improvements with patented extract in healthy adults.* NIH/PubMed — Bell L, 2022
✓ Supports post-meal glycemic control* — Trials show attenuation of postprandial glucose excursions.* NIH/PubMed — Vuksan V, 2000
✓ Promotes reduced upper-respiratory infection burden* — Trials report fewer colds and shorter duration.* NIH/PubMed — Predy GN, 2005
✓ Supports fatigue reduction signals* — Systematic review suggests ginseng may reduce fatigue in select populations.* NIH/PubMed — Arring NM, 2018
✓ Provides adaptogenic mechanisms overview* — Reviews describe antioxidant and stress-adaptation pathways.* NIH/PubMed — Jung IH, 2017
University-Led & Academic Studies
✓ Provides botanical antioxidants and immune function context* — OSU Linus Pauling Institute overviews relevant to American ginseng mechanisms.* OSU Linus Pauling Institute — Micronutrients
✓ Summarizes nutrition and glycemic health resources* — Harvard T.H. Chan School of Public Health on ginseng and metabolic balance.* Harvard T.H. Chan — Nutrition Source
✓ Provides complementary health evidence summaries* — NCCIH/NIH on ginseng for energy, cognition, and immune support.* NCCIH — Ginseng
Global Evidence & Reviews
✓ Reinforces URTI symptom relief signals* — Trials show reduced cold incidence and duration with American ginseng.* NIH/PubMed — Predy GN, 2005
✓ Supports cognitive performance evidence* — RCT shows improved attention and alertness with standardized extract.* NIH/PubMed — Bell L, 2022
✓ Provides post-meal glycemic control support* — Trials show attenuation of postprandial glucose excursions.* NIH/PubMed — Vuksan V, 2000
We monitor research from leading institutions — Harvard, Johns Hopkins, Mayo Clinic, Cleveland Clinic, Cambridge, Oxford, Stanford, Yale, Tufts, University of Florida, Oregon State University – Linus Pauling Institute, Columbia, Cornell, Ohio State — to align with credible science.*
Key Ingredients
- American Ginseng (Panax quinquefolius) — North American adaptogen with ginsenosides studied for cognitive performance, balanced energy, immune support, and glycemic modulation* (NIH/PubMed — Scholey A, 2010).
Brief Benefit Bullets
- Supports working memory, attention & mental energy*
- Helps maintain balanced, non-jittery energy*
- Clinically studied support for post-meal glycemic balance*
- Helps reduce number and duration of common colds*
- Adaptogenic support for stress resilience*
- 400 mg convenient once- or twice-daily use*
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3rd-party lab tested for identity, purity & potency
Suggested Use
See product label for full instructions, or as directed by your healthcare professional. Not recommended during pregnancy. If nursing, taking medications, or managing a medical condition, consult your physician.*
Product Specifications
• Strength — 400 mg American Ginseng (Panax quinquefolius) per capsule
• Count — 60 vegetarian capsules
• Form — Vegetarian capsules
• Quality — Produced in a GMP facility; Third-party tested for identity, purity & potency
3rd-Party Testing: Every batch is independently verified for identity, purity, and potency.
Click here to see our 3rd-party testing.*
LifeSource Vitamins — Proudly American — Since 1992
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
American Ginseng — 60 vegetarian capsules — supports energy, working memory, immune & glycemic balance; GMP made & 3rd-party tested. Clinically Studied Ingredients — NIH/PubMed!*
