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Ginseng components show potential neuroprotective effects in preclinical models of multiple neurodegenerative diseasesGinsenosides Show Potential Neuroprotective Effects for Several Brain Diseases

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Key Takeaway
Note that while ginseng shows promise in preclinical models, its clinical efficacy for neurodegenerative diseases is unestablished.

This systematic review explores the potential of ginseng and its active components, including ginsenosides, polysaccharides, essential oils, and peptides, in managing neurodegenerative diseases such as Alzheimer's disease (AD), Parkinson's disease (PD), Huntington's disease (HD), and Amyotrophic Lateral Sclerosis (ALS). The authors synthesize evidence suggesting that these components may provide neuroprotective effects by regulating Aβ/tau protein aggregation, inhibiting microglial activation, reducing glutamate excitotoxicity, and restoring mitochondrial function and antioxidant balance.

Furthermore, the review indicates that ginseng's active components have been shown to improve both behavioral and pathological indicators in various animal models of these conditions. The authors also highlight that novel delivery strategies, such as nanoparticles, exosomes, and engineered cellular carriers, may significantly enhance blood-brain barrier permeability and brain-targeting efficiency for these compounds.

A significant limitation noted by the authors is that the evidence is largely limited to preclinical studies. Consequently, the clinical efficacy of ginseng for neurodegenerative diseases is not established. The findings suggest a potential for future clinical translation of brain-targeted delivery systems, but current data are insufficient to support clinical application.

How this fits prior evidence

This systematic review addresses a gap in understanding non-pharmacological interventions for neurodegenerative conditions like Parkinson's disease and Alzheimer's disease. While previous evidence has established the efficacy of medications like rasagiline and selegiline for Parkinson's symptoms, and noted that GLP-1R agonists are associated with reduced Parkinson's risk, this review focuses on the preclinical potential of ginseng components. It does not directly confirm or contrast the clinical findings of those specific treatments but explores different mechanisms of neuroprotection.

Researchers reviewed how ginsenosides, along with other active components in ginseng like polysaccharides and essential oils, might affect neurodegenerative diseases. These include Alzheimer's disease, Parkinson's disease, Huntington's disease, and Amyotrophic Lateral Sclerosis (ALS). The review looked at how these compounds interact with brain health and cellular functions.

The findings suggest that ginsenosides may offer neuroprotective effects. They may work by regulating protein aggregation, reducing glutamate excitotoxicity, and restoring antioxidant balance in the brain. In animal models, these components were shown to improve both behavioral and pathological indicators for several of the conditions mentioned.

It is important to note that this evidence comes primarily from preclinical studies, meaning it has not been tested in humans yet. While new delivery methods like nanoparticles could help these compounds reach the brain more effectively, clinical success is not yet established. Patients should consult a doctor before making any changes to their treatment plans.

What this means for you:
Ginsenosides show potential neuroprotective effects in early research, but human clinical results are not yet known.

Common questions

What are ginsenosides?

Ginsenosides are active components found in ginseng. Along with polysaccharides, essential oils, and peptides, they are being studied for their potential neuroprotective effects. These effects include regulating protein aggregation and restoring mitochondrial function to help protect brain cells from damage.

Can ginseng treat Alzheimer's or Parkinson's?

While the review shows that ginseng components improved behavioral and pathological indicators in animal models, these results are not yet proven in humans. Because the evidence is limited to preclinical studies, it cannot be used as a confirmed treatment for any medical condition at this time.

How do researchers get these compounds into the brain?

The research highlights that new delivery strategies can improve how well substances reach the brain. These methods include using nanoparticles, exosomes, and engineered cellular carriers to increase blood-brain barrier permeability and improve the targeting efficiency of the active ingredients.

Study Details

Study typeMeta analysis
EvidenceLevel 1
PublishedAug 2026
View Original Abstract ↓
Neurodegenerative diseases (NDDs) pose a major health challenge due to their high prevalence and the lack of effective treatments; ginseng, as medicine and food homology, has potential neuroprotective effects. This article provides a systematic review of research conducted over the past five years on the use of ginseng to treat NDDs, summarizing and analyzing the findings in four key areas: active components, mechanisms of action, clinical applications, and novel delivery strategies. Ginsenosides are the core active ingredients in ginseng, while polysaccharides, essential oils, and peptides also exert synergistic effects through various pathways; their mechanisms of action include regulating Aβ/tau protein aggregation, inhibiting microglial activation, reducing glutamate excitotoxicity, and restoring mitochondrial function and antioxidant balance. In models of AD, PD, HD, and ALS, ginseng’s active components have been shown to improve both behavioral and pathological indicators, while novel delivery strategies (nanoparticles, exosomes, and engineered cellular carriers) can significantly enhance blood–brain barrier permeability and brain-targeting efficiency. Ginseng exhibits protective effects against NDDs through multiple mechanisms of action. However, current evidence is largely limited to preclinical studies, and future efforts should focus on advancing the clinical translation of safe and effective brain-targeted delivery systems.
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