A traditional Chinese herbal mixture called Qige decoction reduced cholesterol-related compounds in rat livers by 37 different metabolites while restoring healthy gut bacteria, according to a 2026 animal study. The herb worked better than two other herbal treatments tested and functioned through multiple mechanisms: reducing cholesterol absorption from food, increasing cholesterol removal from the body, and rebalancing the microbial community in the digestive system. However, these results come from rats, so human clinical trials are needed before this herb can be recommended for people with high cholesterol.
Researchers tested a traditional Chinese herbal blend called Qige decoction on rats with high cholesterol and found it worked better than two other herbal treatments. According to Gram Research analysis, the herb mixture lowered cholesterol by restoring healthy bacteria in the gut and improving how the liver processes fats. The study showed that Qige decoction reduced harmful cholesterol-related compounds in the liver by 37 different metabolites while boosting beneficial gut bacteria. This suggests the herb works through multiple pathways in the body, not just one mechanism, making it a promising natural approach to managing high cholesterol.
Key Statistics
A 2026 animal study found that Qige decoction reduced 37 different triglyceride metabolites in rat livers while restoring beneficial gut bacteria and reducing harmful bacteria, outperforming two other traditional Chinese herbal treatments tested.
According to research reviewed by Gram, Qige decoction increased beneficial gut bacteria including Intestinimonas, Ruminococcaceae, and Flavobacterium while decreasing harmful bacteria such as Collinsella, Staphylococcus, and Escherichia-Shigella in rats with high cholesterol.
The 2026 study showed that Qige decoction reduced a cholesterol-absorption protein called NPC1L1 while increasing cholesterol-removal proteins ABCG5 and ABCG8 in rat intestines and livers, demonstrating multiple pathways for lowering cholesterol.
The Quick Take
- What they studied: Whether three different traditional Chinese herbal mixtures could lower cholesterol and improve gut health in rats with high cholesterol caused by eating a fatty, high-cholesterol diet.
- Who participated: Laboratory rats that were fed a high-fat, high-cholesterol diet to create high cholesterol conditions similar to what happens in some people. The rats were divided into groups receiving different treatments including the three herbal mixtures and a standard cholesterol medication.
- Key finding: Qige decoction was the most effective treatment, reducing 37 different fat-related compounds in the liver while restoring healthy gut bacteria and reducing harmful bacteria. It worked better than the other two herbal treatments tested.
- What it means for you: This research suggests that traditional Chinese herbs may help manage high cholesterol by working on multiple body systems at once, particularly the gut and liver. However, these results are from animal studies, so human trials are needed before recommending this herb for people. Talk to your doctor before trying any new supplements.
The Research Details
Researchers created high cholesterol in laboratory rats by feeding them a diet high in fat and cholesterol for 20 days. They then divided the rats into groups that received either a standard cholesterol medication (atorvastatin), one of three different herbal mixtures (Qige, Huangqi-Gegen, or Chenpi decoction), or no treatment. The researchers measured blood cholesterol levels, examined liver tissue under a microscope, analyzed the bacteria living in the rats’ digestive systems using genetic testing, and studied how fats were being processed in the liver using advanced chemistry techniques. This multi-method approach allowed them to see not just whether cholesterol improved, but how and why the herbs might be working.
This study design is important because it goes beyond just measuring cholesterol numbers. By examining gut bacteria and liver fat metabolism together, the researchers could identify the actual mechanisms by which the herbs work. This helps explain why traditional Chinese medicine has been used for centuries and provides scientific evidence for how these herbs affect the body. Understanding the mechanism is crucial for determining whether results from rats might apply to humans.
This study used multiple scientific techniques to verify results, including genetic sequencing of gut bacteria, advanced chemical analysis of liver fats, and protein measurement through Western blotting. These overlapping methods strengthen confidence in the findings. However, the study was conducted only in rats, not humans, so results may not directly apply to people. The specific sample size of rats was not provided in the abstract, which limits our ability to assess statistical power. The study compared three herbal treatments to each other and to a standard medication, which is a reasonable approach for preliminary research.
What the Results Show
Qige decoction significantly improved cholesterol levels and reversed damage to liver tissue in rats with high cholesterol. The herb worked by changing the composition of bacteria living in the digestive system, increasing beneficial bacteria like Intestinimonas, Ruminococcaceae, Flavobacterium, Turicibacter, and Phocea while reducing harmful bacteria including Collinsella, Allisonella, Staphylococcus, and Escherichia-Shigella. The researchers identified 37 different fat-related compounds in the liver that were reduced by Qige decoction treatment, most of which are involved in cholesterol metabolism. At the molecular level, Qige decoction reduced a protein called NPC1L1 that helps absorb cholesterol from food, while increasing ABCG5 and ABCG8 proteins that help remove cholesterol from the body through the liver and intestines.
The two other herbal treatments tested, Huangqi-Gegen decoction and Chenpi decoction, also showed some benefits but were less effective than Qige decoction. This finding suggests that the specific combination of herbs in Qige decoction is important for its cholesterol-lowering effects. The study also showed that the improvements in cholesterol were linked to the restoration of healthy gut bacteria, suggesting that the gut microbiome plays a central role in how these herbs work.
This research builds on growing scientific evidence that gut bacteria influence cholesterol metabolism and that traditional Chinese herbs can modify the microbial community in the digestive system. Previous studies have shown connections between gut bacteria and cholesterol levels, but this study provides detailed evidence of which specific bacteria are involved and how herbal treatment changes them. The finding that Qige decoction outperformed other herbal treatments suggests that not all traditional remedies are equally effective, supporting the need for scientific testing of individual formulations.
The most significant limitation is that this study was conducted in rats, not humans, so results may not directly translate to people with high cholesterol. The abstract does not specify how many rats were used in each group, making it difficult to assess whether the sample size was adequate. The study did not measure how long the effects lasted after treatment stopped or whether the benefits would continue with long-term use. Additionally, the study did not compare Qige decoction to a placebo control in rats, only to other active treatments and standard medication. The mechanisms identified at the molecular level in rats may work differently in humans due to differences in metabolism and physiology.
The Bottom Line
Based on this animal research, Qige decoction appears promising for cholesterol management through multiple biological pathways. However, human clinical trials are necessary before this can be recommended as a treatment. If you have high cholesterol, continue working with your doctor and taking prescribed medications. Do not replace standard cholesterol medications with herbal treatments without medical supervision. Confidence level: Low to Moderate, as this is preliminary animal research.
People interested in traditional Chinese medicine and natural approaches to cholesterol management should find this research interesting. Researchers studying gut bacteria and cholesterol metabolism will find the detailed microbiota and metabolite data valuable. People currently taking cholesterol medications should not change their treatment based on this animal study alone. Those with high cholesterol should wait for human clinical trials before considering Qige decoction as a treatment option.
In the rat study, improvements in cholesterol and gut bacteria were observed after 20 days of treatment. If similar effects occur in humans, benefits might take several weeks to become apparent. However, the timeline for human response could be different from rats due to differences in metabolism and body size. Long-term effects and optimal treatment duration remain unknown.
Frequently Asked Questions
Can I use Qige decoction to lower my cholesterol instead of my current medication?
No, this study was conducted only in rats, not humans. Do not replace prescribed cholesterol medications with herbal treatments without consulting your doctor. Human clinical trials are needed before Qige decoction can be recommended as a cholesterol treatment for people.
How does Qige decoction lower cholesterol according to this research?
The herb works through three main mechanisms: it reduces a protein that absorbs cholesterol from food, increases proteins that remove cholesterol from the body, and restores healthy bacteria in the gut. These bacteria changes appear to be central to how the herb improves cholesterol metabolism.
Is Qige decoction better than other herbal treatments for high cholesterol?
In this rat study, Qige decoction outperformed two other traditional Chinese herbal mixtures tested. However, this is preliminary animal research, and human studies would be needed to confirm whether this advantage holds true in people.
How long does it take for Qige decoction to work?
In rats, improvements in cholesterol and gut bacteria were observed after 20 days of treatment. Human response times could differ significantly due to differences in metabolism and body size. Long-term effects and optimal treatment duration remain unknown.
What role do gut bacteria play in cholesterol according to this study?
The research shows that restoring healthy gut bacteria is central to how Qige decoction lowers cholesterol. Specific beneficial bacteria help regulate cholesterol metabolism, while harmful bacteria promote high cholesterol. Balancing these bacterial communities appears essential for cholesterol control.
Want to Apply This Research?
- If users are interested in cholesterol management, they could track weekly cholesterol levels (if available through home testing) alongside daily notes about herbal supplement use, diet composition, and digestive symptoms to identify patterns.
- Users could use the app to log daily intake of fiber-rich foods and fermented foods that support healthy gut bacteria, while tracking any herbal supplements they take and their cholesterol-related symptoms or energy levels.
- Set up weekly reminders to record cholesterol-related health markers if available, document any digestive changes, and maintain a log of supplement usage. Compare trends over 4 to 8 week periods to identify whether interventions correlate with improvements in cholesterol or digestive health.
This research was conducted in laboratory rats and has not been tested in humans. Do not use Qige decoction or any herbal supplement to replace prescribed cholesterol medications without consulting your healthcare provider. High cholesterol is a serious medical condition requiring professional medical management. Always discuss new supplements with your doctor before use, especially if you take other medications or have existing health conditions. This article is for educational purposes only and should not be considered medical advice.
This research translation is published by Gram Research, the science division of Gram, an AI-powered nutrition tracking app.