Confirmed Upon Further Review: Exceptionally High Ginsenosides in “Four Prong Herbs’ Genuine Wild American Ginseng Powder”
- Michael Bowling
- Mar 15
- 8 min read
An updated look at the ginsenoside profile, American ginseng marker patterns, and what these compounds may mean for long-term wellness.
When a result comes back this strong, it deserves a closer look.
Our initial test of this ginseng powder showed 165 mg/g total ginsenosides. Upon further review, the reported value came in at 164 mg/g. That is a difference of just 1 mg/g, or about 0.61%, meaning the updated reading closely matched the original. The main takeaway of this update is that the results did not significantly change, reinforcing the validity of the initial test. The practical takeaway is clear: the original result held up upon review, confirming that this powder has an exceptionally high total ginsenoside content and adding confidence to the overall consistency and reliability of the finding.
Total ginsenosides matter, but the distribution matters too
The total number tells an important story, but it is not the whole story. The distribution of individual ginsenosides also helps describe the character of the powder. Ginsenosides are the principal active compounds in ginseng and belong to a broader class of naturally occurring plant compounds known as saponins, which is why they are sometimes referred to as ginseng saponins.
The primary quantified ginsenosides in this sample were:
Rb1 — 61.84 mg/g
Re — 53.82 mg/g
Rc — 22.17 mg/g
Rd — 14.47 mg/g
Rg1 — 6.645 mg/g
Rb2 — 3.165 mg/g
Rg2 — 1.534 mg/g
Together, those major compounds account for essentially the full reported total. Even more interesting, Rb1 and Re together make up about 70% of the total, giving this powder a very strong core ginsenoside backbone. The ratio data also helps describe the profile in a more refined way. In this sample, Rb1:Rg1 is about 9.31, Rg1:Re is about 0.12, and Rb2:Rb1 is about 0.05. Those ratios act almost like a fingerprint, showing how the major compounds are balanced relative to one another.
Researchers broadly divide the major ginsenosides into two structural families. Rb1, Rb2, Rc, and Rd are generally classified as protopanaxadiol-type (PPD) ginsenosides, while Re, Rg1, and Rg2 are generally classified as protopanaxatriol-type (PPT) ginsenosides. Those groupings matter because the different families have been studied for somewhat different biological effects and signaling behavior.
In plain English, this means the powder is not simply “high in ginsenosides” in a vague sense. It shows a coherent, measurable pattern dominated by the major hallmark compounds most often discussed in ginseng research. That is important because a strong total result becomes even more meaningful when it is supported by a substantial, well-defined distribution rather than by scattered trace compounds alone.
Ratios indicative of American ginseng
The ratio profile in this panel is strongly consistent with American ginseng (Panax quinquefolius) rather than Asian ginseng (Panax ginseng). Several of the measured relationships point in that same direction at once. In this sample, Rb1/Rg1 is about 9.31, which falls on the American-ginseng side of the split described in comparative literature. Rg1/Re is about 0.12, which also aligns with reported American-ginseng patterns, and Rb2/Rb1 is about 0.05, another ratio consistent with American ginseng rather than Asian ginseng. When multiple hallmark ratios all lean the same way, that creates a chemical profile that is highly characteristic of American ginseng.
Separate from the ratios, the absence of ginsenoside Rf is one of the strongest individual indicators in the entire panel. In ginseng chemistry, Rf is regarded as the characteristic marker of Asian ginseng, while 24(R)-pseudoginsenoside F11 (p-F11) is regarded as the characteristic marker of American ginseng. In practical terms, Asian ginseng should contain measurable Rf and little to no p-F11, while American ginseng should contain p-F11 and little to no Rf. In other words, each marker is expected to be characteristic of its respective species, with the other either undetectable or present only at trace levels below reporting or quantifiable limits, depending on the analytical method used. p-F11 was not one of the compounds included in this particular panel, so it was not directly measured here. Even so, because this panel showed no detectable Rf, it provides strong evidence against the presence of Asian ginseng in the sample. And since American and Asian ginseng are the two primary ginseng types encountered in the market, the absence of Rf, together with the American-leaning ginsenoside ratios already discussed, is highly indicative that the material is exclusively American ginseng. While direct measurement of p-F11 would have added an additional species-specific marker, the profile observed here remains strongly consistent with American ginseng rather than Asian ginseng.
Beyond the chemistry itself, there is also the matter of sourcing, firsthand experience, and external review. As the owner of Four Prong Herbs, with 10 years of experience as a ginseng dealer and 30 years as a harvester, I attest that the ginseng used in this sample and in all the wild American ginseng powder we produce is locally sourced Kentucky wild American ginseng, and that I identify and use only that material in our powder. In addition, the whole roots and parts of roots from which our powder is derived go through Kentucky’s export-certification process, during which they are physically examined, photographed, and documented with paperwork identifying the harvest area and the harvester. Taken together, that combination of long field experience, controlled local sourcing, and independent state certification adds another important layer of credibility to the conclusion that our wild American ginseng powder is derived exclusively from wild American ginseng.
What the specific ginsenosides have been studied for
It is important to be precise here: much of the research on individual ginsenosides comes from laboratory studies, animal studies, and review articles. Human research is generally stronger for whole ginseng preparations than for isolated single ginsenosides. Still, the literature does provide a useful picture of what these individual compounds have been investigated for.
Ginsenoside Rb1
Rb1 is one of the most discussed major ginsenosides in the literature. It has been studied for vascular and endothelial protection, antioxidant effects, neurological support, and cardioprotective actions. Review literature also describes Rb1 as relevant to nitric oxide signaling and protection against endothelial dysfunction under oxidative stress.
Ginsenoside Re
Re is another major backbone compound in this sample and has been studied for vascular health, nitric oxide release, metabolic effects, antioxidant activity, and cardioprotective actions. Research has also tied ginsenoside Re to nitric oxide release in endothelial cells, which is especially relevant to blood vessel function and vasodilation.
Ginsenoside Rc
Rc is often discussed less than Rb1 or Re in popular summaries, but it remains a major ginsenoside and contributes to the broader bioactive profile of ginseng described in review literature.
Ginsenoside Rd
Rd has attracted strong interest for neuroprotection, anti-inflammatory effects, and protection in ischemic injury models in the broader ginsenoside literature.
Ginsenoside Rg1
Rg1 is one of the most studied ginsenosides in brain and nervous system research. It has been investigated for neuroprotection, cognition, fatigue-related mechanisms, anti-inflammatory signaling, and broader cell-protective effects.
Ginsenoside Rb2
Rb2 is a major PPD-type ginsenoside recognized as part of the principal active profile researchers track in ginseng chemistry and pharmacology.
Ginsenoside Rg2
Rg2 belongs to the PPT family and is included in the broader active profile of major ginsenosides discussed in the literature.
What this may mean for women and men
When discussing possible benefits by sex, it is important not to overstate what the evidence can support. The strongest human evidence generally concerns whole ginseng preparations, not isolated single ginsenosides in isolation. Even so, the clinical literature gives some useful context.
For women, ginseng has been studied in relation to menopausal symptoms, quality of life, circulation, and in some research aspects of sexual function or arousal.
For men, ginseng has often been studied in relation to circulatory health and sexual health, especially where nitric oxide and blood flow may be relevant.
Across both women and men, the most consistent broader themes in the literature are vascular function, endothelial support, oxidative-stress modulation, metabolic effects, and neurological resilience. That is part of what makes a well-defined ginsenoside profile so interesting.
Why vasodilation deserves special emphasis
One of the most compelling themes in ginseng research is vasodilation — the ability of blood vessels to relax and widen appropriately. This matters because healthy vasodilation is central to circulation, endothelial function, tissue perfusion, and long-term cardiovascular wellness.
A recurring theme in the literature is that ginseng and ginsenosides can help support nitric oxide signaling and vascular responsiveness. That matters far beyond any one narrow use. Good blood vessel function supports the delivery of oxygen and nutrients throughout the body. It supports cardiovascular health over the long haul. It is relevant to physical performance, healthy tissue function, and overall resilience.
So when a ginseng powder shows a strong ginsenoside profile anchored by major compounds like Rb1 and Re, the vascular angle is one of the most meaningful areas to pay attention to. From a long-term health perspective, healthy blood flow is foundational. It is not just about one isolated effect, but about supporting the systems that keep the body functioning well over time.
THE BOTTOM LINE
Upon further review, the result held up.
A reported total of 164 mg/g total ginsenosides, compared with the initial 165 mg/g, shows that the finding remained remarkably consistent under closer examination. Just as importantly, the deeper profile shows a powder rich in the major hallmark ginsenosides — especially Rb1 and Re — supported by substantial levels of Rc and Rd, with additional measurable amounts of Rg1, Rb2, and Rg2.
The ratio profile is strongly characteristic of American ginseng, the absence of Rf provides strong evidence against Asian ginseng, and the sourcing and certification background adds another layer of real-world confidence to the conclusion that our wild American ginseng powder is derived exclusively from wild American ginseng. Most importantly from a health perspective, this is a profile rich in compounds that have been widely studied for vascular support, nitric oxide signaling, and vasodilation — all of which are closely tied to healthy long-term circulation and overall wellness.
The more closely this powder was examined, the more the original result held its ground.
CHECK OUT “FOUR PRONG HERBS’ GENUINE WILD AMERICAN GINSENG POWDER” HERE ON OUR SITE: www.fourprongherbs.com
Sources and Further Reading
Kentucky Legislature. 302 KAR 45:010 — Ginseng. Covers Kentucky dealer requirements and export certification requirements for ginseng harvested in Kentucky.
Chan T.W.D. et al. Differentiation and Authentication of Panax ginseng, Panax quinquefolius, and ginseng products by LC-MS. Analytical Chemistry. Foundational source for the distinction between Rf and pseudoginsenoside F11 in Asian versus American ginseng.
Yang Y. et al. Ginseng: A Nonnegligible Natural Remedy for Healthy Aging. Discusses Rf as exclusive to Asian ginseng and F11 as unique to American ginseng.
Qi L.W. et al. Ginsenosides from American ginseng: Chemical and pharmacological diversity. Useful background on the chemistry and major ginsenosides of American ginseng.
Kim J.H. et al. Cardiovascular Diseases and Panax ginseng: A Review on Molecular Mechanisms and Medical Applications. Useful support for nitric oxide signaling, circulation, and vascular effects of ginsenosides.
Lee C.H. and Kim J.H. A review on the medicinal potentials of ginseng and ginsenosides on cardiovascular diseases. Helpful source for vasodilation, endothelial function, and cardiovascular relevance.
Rodthongdee K. et al. Ginsenoside Re increases human coronary artery endothelial SKCa current and nitric oxide release. Relevant to the discussion of ginsenoside Re, endothelial activity, and nitric oxide release.
Zhu G.X. et al. Ginsenosides in vascular remodeling. Additional background on ginseng’s vascular biology and cardiovascular relevance.
Disclaimer: This article is for informational purposes only and is not intended as medical advice, diagnosis, treatment, or prevention of any disease. Readers should consult a qualified healthcare professional before making health-related decisions based on this information.
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