Berberine: A Comprehensive Review of its Origins, Mechanisms, and Therapeutic Potential

Many ask me why I give berberine to my dogs and cats. I’ve been taking it for a couple of years. After researching the many benefits reported, overwhelming evidence shows it’s many benefits, some listed below. I do see some of these apply to pets, but as usual, when it comes to natural supplements for dogs, very little research has been done. I do mention a few anecdotal references later in this article.

But first…

Berberine, a naturally occurring isoquinoline alkaloid, has garnered significant attention in recent years for its diverse pharmacological properties and potential health benefits. This comprehensive review delves into the origins of berberine, its mechanisms of action at the cellular level, and the scientific evidence supporting its therapeutic applications.

Historical Context and Traditional Uses

Berberine has a long and rich history of use in traditional medicine systems 1. In Traditional Chinese Medicine (TCM), berberine-containing plants like Coptidis Rhizoma have been employed for over 3,000 years to treat various ailments, including dysentery and gastrointestinal infections 1. Coptidis rhizoma is also used in TCM for eliminating toxins and “clearing heat in the liver” 3. Ancient Chinese medical texts, such as “The Divine Farmer’s Herb-Root Classic,” document the use of berberine as early as 3000 BC 1. In Ayurveda, Berberis species have been traditionally employed to treat a wide range of conditions, from infections and wounds to digestive disorders and uterine problems 4.

Isolation and Molecular Structure

Berberine was first isolated as a compound in 1917 from goldenseal (Hydrastis canadensis) 6. It is found in the roots, rhizomes, stems, stem bark, and bark of various plants, including Berberis species (barberry), goldenseal, and Oregon grape 1. The extraction process typically involves the use of solvents and techniques like microwave-assisted extraction or column chromatography 7. Other extraction procedures include microwave-accelerated extraction, reflux extraction, and maceration 8.

Berberine is classified as an isoquinoline alkaloid, specifically a protoberberine alkaloid, due to its core molecular structure, which features an isoquinoline ring system 9. This structure contributes to its diverse pharmacological activities 11. The molecular formula of berberine is C20H18NO4+. 12.

Mechanisms of Action

Berberine exerts its effects through various mechanisms at the cellular level. One of its primary actions is activating an enzyme called adenosine monophosphate-activated protein kinase (AMPK) 13. AMPK is a critical regulator of cellular energy homeostasis and metabolic processes. It acts as a central control switch, influencing how the body produces and utilizes energy 14. By activating AMPK, berberine influences various cellular functions, including glucose and lipid metabolism, mitochondrial function, and inflammatory responses 15.

Berberine also plays a role in regulating glucose processing and improving insulin sensitivity. It increases the amount of insulin the body produces and decreases cellular resistance to insulin, resulting in lower blood sugar levels 17. Additionally, berberine downregulates adipogenesis (fat cell formation) and lipogenesis (fat synthesis) 18.

Berberine’s interaction with AMPK is indirect. It inhibits mitochondrial respiratory complex I, which leads to an increase in the cellular ratio of adenosine monophosphate (AMP) to adenosine triphosphate (ATP) 19. This change in the AMP/ATP ratio signals a state of cellular energy depletion, triggering the activation of AMPK. Interestingly, this mechanism of AMPK activation is similar to that of metformin, a widely used drug for treating type 2 diabetes 16. Once activated, AMPK initiates a cascade of downstream effects that contribute to berberine’s therapeutic benefits.

Effects on Glucose Metabolism and Gut Bacteria

Berberine has demonstrated significant effects on glucose metabolism, making it a potential therapeutic agent for managing blood sugar levels, particularly in individuals with type 2 diabetes 20. Studies indicate that berberine can lower blood glucose levels by increasing insulin sensitivity, promoting insulin secretion, and enhancing glucose uptake by cells 17. It may also inhibit hepatic gluconeogenesis, the production of glucose in the liver 21.

Furthermore, berberine acts as a gut microbiome modulator, influencing the composition and function of gut bacteria 22. Evidence shows that berberine can modulate the gut microbiota by inhibiting the growth of certain harmful bacteria while promoting the growth of beneficial bacteria 23. This modulation of the gut microbiota may contribute to its overall health benefits, including improved metabolic health and reduced inflammation.

These effects on glucose metabolism and gut bacteria contribute to Berberine’s broad therapeutic potential, which has been investigated in various areas.

Therapeutic Potential

Health Benefit	Description	Supporting Snippet ID(s)
Blood Sugar Regulation	Improves blood sugar control in individuals with type 2 diabetes, potentially preventing diabetic encephalopathy.	24
Cardiovascular Health	Lowers cholesterol and triglyceride levels, raises HDL cholesterol, and reduces blood pressure.	26
Weight Management	May aid in weight loss by increasing metabolism and inhibiting fat accumulation.	27
Gut Health	Improves gut health by modulating gut bacteria and reducing inflammation.	28
Anti-Inflammatory Properties	Possesses anti-inflammatory effects, potentially beneficial in managing various inflammatory conditions.	29
Brain Health	May help prevent dementia by protecting against brain damage and improving mental skills.	24
Potential Anti-Cancer Properties	Preliminary research indicates potential anti-cancer properties, but further studies are needed.	29

Human Trials and Dosage

Numerous human trials have investigated the effects of berberine on various health conditions. A notable trial involving 84 men with hyperlipidemia found that berberine effectively reduced total cholesterol and LDL cholesterol 30. Another trial with 1108 adults demonstrated that berberine reduced the risk of colorectal adenoma recurrence 30. A randomized controlled trial with 60 humans with fatty liver disease showed that 3 months of berberine treatment led to a 70% improvement in liver ultrasounds 14.

While there is no officially established dosage for berberine, most studies have used dosages ranging from 1,000 to 1,500 mg per day, typically divided into three doses taken before meals 31.

This is the berberine I take and also give to my dogs and cats.

Available here

Contradictions and User Reports

Although berberine research generally shows positive results, some studies have yielded contradictory findings or highlighted limitations 33. These contradictions often stem from variations in study design, dosage, participant characteristics (such as gender and age), and the fact that metabolic disorders are often combined with other diseases 25.

User reports from health forums and online communities provide anecdotal evidence of berberine’s potential benefits, but it’s essential to interpret these reports with caution, as they are not always reliable or scientifically validated 34.

Conclusion

Berberine is a natural compound with a long history of use in traditional medicine. Its diverse pharmacological properties, particularly its ability to activate AMPK in a manner similar to metformin, make it a promising therapeutic agent for various health conditions. Studies indicate that berberine may offer comparable benefits to metformin in managing blood sugar levels and potentially other metabolic disorders. However, it is crucial to acknowledge that despite promising findings, berberine lacks large-scale, randomized clinical trials, which are essential for definitively establishing its efficacy and safety.

Berberine’s historical use, combined with its emerging therapeutic potential, positions it as a potentially valuable natural compound in modern healthcare. Its ability to address multiple aspects of metabolic health, including blood sugar regulation, cholesterol management, and weight control, suggests a potential role in integrative medicine. Further research is needed to fully elucidate its mechanisms of action, optimal dosage, long-term safety, and potential interactions with other medications. As with any supplement, it’s crucial to consult with a healthcare professional before taking berberine, especially if you have any underlying health conditions or are taking medications.

What about Berberin use for dogs and cats

While research on berberine’s use in animals is still somewhat limited compared to human studies, there’s growing evidence and anecdotal support for its potential benefits in dogs and cats.

One of the most promising areas of research is berberine’s use in managing feline ulcerative colitis. A study published in 2022 ¹ found that berberine helped alleviate symptoms like weight loss, diarrhea, and colon inflammation in cats with this condition. The researchers believe berberine’s positive effects are linked to its ability to regulate gut bacteria and reduce inflammation.

In a different study focused on dogs ², berberine showed antiproliferative effects against a canine mammary gland carcinoma cell line. This suggests berberine might have potential in managing certain types of cancer in dogs, although more research is needed to confirm this.

Anecdotal evidence from pet owners also suggests potential benefits for dogs and cats. Some report using berberine to help manage diarrhea, improve appetite, and support overall digestive health in their pets ³.

However, it’s important to note that there’s no established veterinary dosage for berberine, and more research is needed to determine its long-term safety and efficacy in animals. If you’re considering using berberine for your pet, it’s crucial to consult with your veterinarian first. They can help you determine if berberine is appropriate for your pet’s specific needs and health condition, and advise on the correct dosage and any potential risks or interactions.

Works cited

Berberine: A Review of its Pharmacokinetics Properties and Therapeutic Potentials in Diverse Vascular Diseases, accessed January 13, 2025, https://pmc.ncbi.nlm.nih.gov/articles/PMC8964367/
Berberine a traditional Chinese drug repurposing: Its actions in inflammation-associated ulcerative colitis and cancer therapy – Frontiers, accessed January 13, 2025, https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2022.1083788/full
Berberine: Botanical Occurrence, Traditional Uses, Extraction Methods, and Relevance in Cardiovascular, Metabolic, Hepatic, and Renal Disorders – PubMed Central, accessed January 13, 2025, https://pmc.ncbi.nlm.nih.gov/articles/PMC6111450/
Berberis – Knowledge and References – Taylor & Francis, accessed January 13, 2025, https://taylorandfrancis.com/knowledge/Medicine_and_healthcare/Pharmaceutical_medicine/Berberis/
Berberine. Don’t swallow the hype. Or the pill. | Office for Science and Society, accessed January 13, 2025, https://www.mcgill.ca/oss/article/medical-critical-thinking/berberine-dont-swallow-hype-or-pill
www.acs.org, accessed January 13, 2025, https://www.acs.org/molecule-of-the-week/archive/b/berberine.html
Berberine isolation from Coscinium fenestratum: optical, electrochemical, and computational studies – PMC – PubMed Central, accessed January 13, 2025, https://pmc.ncbi.nlm.nih.gov/articles/PMC10245225/
Influence of drying methods and extraction procedures on the recovery of berberine content in Coscinium fenestratum – Scholars Research Library, accessed January 13, 2025, https://www.scholarsresearchlibrary.com/articles/influence-of-drying-methods-and-extraction-procedures-on-the-recovery-ofberberine-content-in-coscinium-fenestratum.pdf
Inhibitory Role of Berberine, an Isoquinoline Alkaloid, on NLRP3 Inflammasome Activation for the Treatment of Inflammatory Diseases – PMC – PubMed Central, accessed January 13, 2025, https://pmc.ncbi.nlm.nih.gov/articles/PMC8537060/
Berberine: Uses, Interactions, Mechanism of Action | DrugBank Online, accessed January 13, 2025, https://go.drugbank.com/drugs/DB04115
Berberine: Botanical Occurrence, Traditional Uses, Extraction Methods, and Relevance in Cardiovascular, Metabolic, Hepatic, and Renal Disorders – Frontiers, accessed January 13, 2025, https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2018.00557/full
Berberine – Wikipedia, accessed January 13, 2025, https://en.wikipedia.org/wiki/Berberine
Berberine: A Powerful Supplement with Many Benefits – Healthline, accessed January 13, 2025, https://www.healthline.com/nutrition/berberine-powerful-supplement
Clinical Applications for Berberine | Natural Medicine Journal, accessed January 13, 2025, https://www.naturalmedicinejournal.com/journal/clinical-applications-berberine
Berberine Ameliorates High Glucose-Induced Cardiomyocyte Injury via AMPK Signaling Activation to Stimulate Mitochondrial Biogenesis and Restore Autophagic Flux – Frontiers, accessed January 13, 2025, https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2018.01121/full
Berberine, a Natural Plant Product, Activates AMP-Activated Protein Kinase With Beneficial Metabolic Effects in Diabetic and Insulin-Resistant States, accessed January 13, 2025, https://diabetesjournals.org/diabetes/article/55/8/2256/12348/Berberine-a-Natural-Plant-Product-Activates-AMP
What To Know About Berberine: Benefits, Uses and Side Effects, accessed January 13, 2025, https://health.clevelandclinic.org/berberine-for-insulin-resistance-weight-loss
Biological Activity of Berberine—A Summary Update – PMC, accessed January 13, 2025, https://pmc.ncbi.nlm.nih.gov/articles/PMC7697704/
Berberine stimulates lysosomal AMPK independent of PEN2 and maintains cellular AMPK activity through inhibiting the dephosphorylation regulator UHRF1 – PMC, accessed January 13, 2025, https://pmc.ncbi.nlm.nih.gov/articles/PMC10151516/
Berberine and Its Study as an Antidiabetic Compound – MDPI, accessed January 13, 2025, https://www.mdpi.com/2079-7737/12/7/973
Berberine Improves Glucose Metabolism in Diabetic Rats by Inhibition of Hepatic Gluconeogenesis | PLOS ONE, accessed January 13, 2025, https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0016556
Berberine and Glycemic Control | Natural Medicine Journal, accessed January 13, 2025, https://www.naturalmedicinejournal.com/journal/berberine-and-glycemic-control
A High Dose of Dietary Berberine Improves Gut Wall Morphology, Despite an Expansion of Enterobacteriaceae and a Reduction in Beneficial Microbiota in Broiler Chickens | mSystems – ASM Journals, accessed January 13, 2025, https://journals.asm.org/doi/10.1128/msystems.01239-22
Berberine: Benefits, Side Effects, and Weight Loss – WebMD, accessed January 13, 2025, https://www.webmd.com/obesity/berberine-health-benefits
Efficacy and Safety of Berberine Alone for Several Metabolic Disorders: A Systematic Review and Meta-Analysis of Randomized Clinical Trials, accessed January 13, 2025, https://pmc.ncbi.nlm.nih.gov/articles/PMC8107691/
5 Health Benefits of Berberine – Cooper Complete, accessed January 13, 2025, https://coopercomplete.com/blog/berberine-health-benefits/
Berberine and weight loss: Effectiveness, risks, and more – MedicalNewsToday, accessed January 13, 2025, https://www.medicalnewstoday.com/articles/berberine-and-weight-loss
Berberine – A Hero of the Microbiome and Beyond – Nutri Advanced, accessed January 13, 2025, https://www.nutriadvanced.co.uk/news/berberine-a-hero-of-the-microbiome-and-beyond/
Berberine: Benefits, supplements, side effects, dosage, and more – MedicalNewsToday, accessed January 13, 2025, https://www.medicalnewstoday.com/articles/325798
Berberine, a Herbal Metabolite in the Metabolic Syndrome: The Risk Factors, Course, and Consequences of the Disease – PubMed Central, accessed January 13, 2025, https://pmc.ncbi.nlm.nih.gov/articles/PMC8874997/
Berberine and Diabetes: Safety, Dosage, and Review – Healthline, accessed January 13, 2025, https://www.healthline.com/nutrition/berberine-diabetes
How Much Berberine Should I Take Daily? – Consensus Academic Search Engine, accessed January 13, 2025, https://consensus.app/questions/much-berberine-take-daily/
Is berberine a safe alternative treatment for diabetes? | Nebraska Medicine Omaha, NE, accessed January 13, 2025, https://www.nebraskamed.com/diabetes/is-berberine-a-safe-alternative-treatment-for-diabetes
Complementary and alternative medicine use in self-management of diabetes: A qualitative study of patient and user conversations in online forums, accessed January 13, 2025, https://pmc.ncbi.nlm.nih.gov/articles/PMC9510465/

Berberin for dogs citations:

Cao J, Chen M, Xu R, Guo M. Therapeutic Mechanisms of Berberine to Improve the Intestinal Barrier Function via Modulating Gut Microbiota, TLR4/NF-κ B/MTORC Pathway and Autophagy in Cats. Front Microbiol. 2022 Jul 22;13:961885. doi: 10.3389/fmicb.2022.961885. PMID: 35935245; PMCID: PMC9354406.

Sefidabi, R., Mortazavi, P., Hosseini, S.”Antiproliferative effect of berberine on canine mammary gland cancer cell culture “. Biomedical Reports 6, no. 1 (2017): 95-98. https://doi.org/10.3892/br.2016.809

Thomas Sandberg CSAN, CCNC, AADP

Thomas Sandberg is a board certified animal naturopath and carnivore nutritionist. He founder of Long Living Pets Research Projects, a 30-year observational study into raw-fed dogs and cats. Thomas also consults in animal naturopathy, including the prevention of chronic diseases and longevity using all-natural modalities. With more than 20 years of experience with hundreds of cancer cases, he has a deep understanding of why so many dogs and cats get cancer today and how we can lower the risk significantly.

Need help with your pet?

Do you have health issues that you cannot resolve with conventional therapies? Are you looking for a natural approach to help your pet live a long healthy life?

This is possible, and what I do. My approach is to restore the immune system in dogs and cats so they can achieve homeostasis. That is the best protection against pathogens that can lead to diseases.

Book a consultation to learn more.

Disclaimer:

The suggested benefits of this supplement product are based on research and anecdotal evidence and are provided for informational purposes only. They should not be construed as medical advice or a substitute for professional healthcare consultation. Individual results may vary, and the efficacy of this supplement has not been confirmed by FDA-approved research. This product is not intended to diagnose, treat, cure, or prevent any disease. Always consult a qualified healthcare professional before making any changes to your diet, exercise routine, or supplement regimen, particularly if you have any pre-existing medical conditions or are taking medications. The manufacturer and seller of this product disclaim any liability for any adverse effects or consequences that may arise from the use or reliance on the information provided herein or the product itself. This product does not come with any warranty, either express or implied.

Berberine for humans and pets. Promising benefits.