---
title: 'What 10+ Human Trials Reveal About Berberine'
source: 'https://youtube.com/watch?v=tAg4NmvmRg0'
video_id: 'tAg4NmvmRg0'
date: 2026-08-08
duration_sec: 860
---

# What 10+ Human Trials Reveal About Berberine

> Source: [What 10+ Human Trials Reveal About Berberine](https://youtube.com/watch?v=tAg4NmvmRg0)

## Summary

This video provides a comprehensive review of berberine hydrochloride, a natural compound derived from the Berberis aristata plant, and its effects on metabolic health. The presenter analyzes a recent summary of human clinical trials, covering benefits for blood sugar, cholesterol, blood pressure, fatty liver, and even cancer, while also discussing dosage, safety, and drug interactions.

### Key Points

- **Introduction to Berberine** [00:01] — Berberine hydrochloride is a tool to support metabolic health with a large dossier of human reviews, covering conditions like fatty liver disease, PCOS, dyslipidemia, and poor blood sugar handling.
- **Source and Quality** [00:43] — Berberine is derived from the Berberis aristata plant. Many synthetic versions exist, and carbon-14 testing shows some Chinese sources are not wildcrafted from the Himalayas. Only one company offers verified wildcrafted berberine.
- **Mechanism of Action** [01:12] — Berberine is a polyphenolic compound that impacts gut microbiota diversity and improves the release of incretin hormones, which are often reduced in metabolically unhealthy individuals, leading to post-meal processing disorders.
- **Prevalence of Metabolic Dysfunction** [02:10] — Only 1 in 10 US adults has optimal metabolic health, making berberine a relevant recommendation for most people.
- **Personal Experience** [02:25] — The presenter noticed a significant drop in blood sugar and a rise in blood ketones when using berberine, highlighting its noticeable effects.
- **Pleiotropic Effects** [03:21] — Berberine has pleiotropic effects, affecting mitochondrial function, glucose metabolism, insulin response, and hormone release, unlike pharmacologic compounds that target a single enzyme.
- **Dihydroberberine vs. Berberine** [04:17] — The presenter is not a fan of dihydroberberine because it bypasses the gut, where most of berberine's mechanisms occur. There is no human data on dihydroberberine, unlike berberine HCL.
- **Cholesterol and Triglycerides** [06:10] — A summary of 8+ human trials (2012-2022) shows berberine lowers total and LDL cholesterol in 365 diabetic individuals. A 2016 study found 300 mg lowered triglycerides, and 1,200 mg lowered triglycerides in women with PCOS.
- **Blood Pressure** [07:09] — Six clinical trials show berberine lowers both systolic and diastolic blood pressure in hypertensive individuals at doses of 300-500 mg three times a day.
- **Blood Sugar and Glycemic Control** [07:54] — Over 10 human studies show berberine improves blood sugar metabolism, decreasing fasting glucose, 2-hour oral glucose tolerance, and hemoglobin A1C, as well as liver fat in women with PCOS and NAFLD.
- **Fatty Liver Disease** [08:29] — More than six studies show berberine improves lipid profiles, liver enzymes (ALT, AST, GGT), and reduces liver fat content, as confirmed by ultrasound and MRI. Studies included 180 and 68 individuals with fatty liver disease.
- **Berberine and Cancer** [09:41] — Five clinical studies in colorectal, cervical, and other cancers found that low doses (300-600 mg/day) decreased recurrence rate of colorectal adenomas and improved outcomes in other cancers.
- **Drug Interactions** [10:38] — Berberine may interact with tamoxifen, ciprofloxacin (requiring dose reduction), metformin, cyclosporine, warfarin, and possibly ketoconazole.
- **Bioavailability and Gut Health** [11:20] — Berberine has low intestinal absorption but works within the gut, improving intestinal tight junctions and permeability. The review concludes it shows promise for low toxicity and therapeutic benefits despite bioavailability challenges.
- **Dosage Recommendations** [13:05] — The presenter recommends taking 300-750 mg of berberine 30 minutes before major meals, starting on the low end. For holiday parties, 500-750 mg before the event may help with cravings and overeating.

### Conclusion

Berberine hydrochloride is a well-researched natural compound with pleiotropic benefits for metabolic health, including improved blood sugar, cholesterol, blood pressure, and liver health. It works primarily in the gut, and while it has low bioavailability, its clinical effects are significant, making it a valuable adjunct to lifestyle changes.

## Transcript

about a tool that can support your metabolic health. This tool is known as bourberine hydrochloride. It actually has a large and long dossier of human review that right now. This was one of the most I think detailed reviews about
how bourberine can improve various aspects of metabolic health from fatty liver disease to polycystic ovarian syndrome to dislycemia, poor blood sugar handling and beyond. Uh this was an excellent recently published summary of
all of the human clinical data. They do include some of the animal model data because I don't want to recommend something that just says animal model studies. I want to uh focus on what is bourberine hydrochloride. So this is
actually derived from the berberous aristata plant. And this is something lot of synthetic bourberines on the marketplace uh that are made from prochemicals. uh a lot of the uh Chinese source material is has has been uh
tested via carbon 14 data and it's it's not burberous aristata. It's not derived from wildcrafted bourberine found in the Himalayas. So there's only one company momentarily about that. But bourberine is a polyphenolic structural compound
and that's the magic of bourberine. seems to impact both diversity of the microbiota, the gut bacteria that reside in your small and large intestine and it also improves the release of incretin or gut hormones and these have been
recently popularized with the uh push for semiglutide and ompc and so forth all the so-called increin hormones. Uh these are peptides that your gut makes get more metabolically unhealthy, you start to gain more body fat. your small
intestine starts to release less of these hormones and therefore you have more post-meal processing disorders i.e. hyperinsulinemia, high triglycerides, high blood glucose, polycystic ovarian syndrome, fatty liver disease and so
forth. And so um it turns out that bourberine is like nature's way of improving and optimizing these gut hormones. Now if we didn't have 93.6% of metabolic dysfunction, we probably wouldn't need to recommend bourberine.
You know, only one in 10 US adults has optimal metabolic health. Most people health. And so what I like about bourberine is there's tons of data on this and you can actually feel and notice the results. The first time I
metabolic health, but to increase my ketone levels, I noticed a significant drop in my blood sugar and a significant conccommittent rise in blood ketones because I was really into testing my ketones in 2015, 2016. started to think
formulas we're going to come out with and I was like we have to find a really high quality bourberine and we did secure that from the Hima folks over in in the description below. I'm not going to talk about the product. If you want
to talk about the product. If you want to you know look at a carbon 14 verified wildcrafted handh harvested berous arristada pure bourberine hydrochloride below. That's where we're going to go here because we're going to talk about
serious like aththeroscerosis and and and other things. So, I just want to uh let you know that that is an option here. But I want you to know that bourberine has pleotropic effects. And so, here's figure two, mechanisms
related to how bourberine functions in the body. And this is largely derived culture studies. So, I'm not going to lean on this too much, but what I like about natural compounds and even metformin, it's derived from the French
lilac, which is a plant. Natural compounds tend to have pleotropic effects. In contrast, pharmacologic compounds, you know, an SSRI, for example, other other things that might lower your blood pressure, they're very
specific to a one particular target or inhibiting an enzyme. If we think about statins now I know statins exist in nature and so forth from red yeast rice seems that bourberine has these
exciting because most of these pleotropic effects are positive uh affecting mitochondrial function affecting glucose metabolism insulin response in hormone release and so forth. So here are all the mechanisms
about how bourberine might affect metabolic health. So now I do want to talk about dihydroberourine. I'm not a big fan of this because bourberine has this inside out control. I know theoretically it's better absorbed but
there is this level of there's not a lot of free bourberine in the blood after taking dihydroourberine. And as you will see in this data set there is not a no human data up to now we're filming this in early November of 2025. No human data
on dihydroberine. It's all on bourberine HCL. So why would why would we recommend a product that has literally no research on it because it's theoretically better came to you and said, "Hey, you know, we know all the beneficial effects of
metformin." Well, what if we can get metformin better absorbed? Would you want that? I don't know. Would you would that mean that it it's it would have sure because we're ignoring the effect of these compounds and how they impact
the gut bacteria and the gut hormones. So if we bypass all that, we might bypass some of the therapeutic benefits. So we don't always need to optimize You know, if we're talking about vitamin B12 or we're talking about creatine,
right? We we want creatine to be absorbed. If we want vitamin B12, it works in your liver and your brain and so forth. Um you supporting methylation, liver, right? Because that's where most methylation reactions occur. But in the
context of bourberine and and metformin, it seems that most of the mechanisms of action occur in the gut. So chasing absorption with liposomes and all this stuff uh doesn't make a whole lot of sense uh to me. So I I I don't think
that bourberine hydrochloride is all that exciting. Now let's look at the summary of human clinical trials based on their effect in the body lowering cholesterol in humans. So this is a summary of eight or more human clinical
trials dating back to 2012 all the way up to 2022. So in 365 diabetic individuals, bourberine decreased uh total cholesterol and LDL cholesterol. Um I'm not so concerned about total cholesterol or LDL
cholesterol. I'm actually more concerned uh about triglyceride reduction. I get more excited about this. So this was uh a 2016 study in individuals with mild a 2016 study in individuals with mild hyper lipidmia. Just 300 mg of
bourberine lowered triglycerides. Uh 1,200 milligs of bourberine in three divided doses also lowered triglycerides in women with PCOS and so forth. So low dose between 300 and 500 milligrams per day seems to affect blood lipids which I
think is quite interesting. What about blood pressure? We're looking at table three here. So six clinical trials or studies uh that have looked at how studies uh that have looked at how bourberine affects blood pressure in
individuals who have hypertension uh you see significant shifts in both systolic and diastolic blood pressure at low dosages ring ranging from 300 milligs up to 500 milligrams three times a day. So most studies for bourberine
vary from 500 milligrams up to 1500 milligrams per day. Most people do not need more than that. All of these six studies show that bourberine lowers blood pressure. So we have a lowering of triglycerides as I mentioned eight
studies there. Uh six studies finding lowering of blood pressure. Now what's interesting is we have animal model studies on glycemic parameters and then we have human studies. We have 1 2 3 4. We have over 10 human studies finding
that bourberine improves blood sugar metabolism in humans. Decreasing fasting glucose, decreasing 2-hour oral glucose tolerance, decreasing hemoglobin A1C fasting glucose as well as liver fat in women with PCOS and naf non-alcoholic
fatty liver disease. So really good data to show in humans these studies are not super old. Some are really really new. uh several in 2021, several in 2020 and 2023. Uh the earliest study that was cited here in the summary was 20 uh 10.
Okay. What about fatty liver disease? We have more than six studies finding that bourberine helps improve lipid profiles andor liver enzymes and also ultrasound
studies that show that bourberine reduces liver fat content as well as you downloaded our blood work cheat sheet over at highintensityalth.com, you know this. You have your ALT, A, and GGT. Uh, studies show that when those
liver function tests go over 30 units per liter, that's problematic for, you know, the future and prognosis of your liver as well as cardiovascular health. Bourberine improves liver enzymes by supporting metabolic health. So, I think
that's important. All these uh studies show and some use ultrasound, some use MRI and so forth. And these are not small studies. 180 individuals with fatty liver disease, 68 individuals with fatty liver disease. So decent number of
subjects in these studies find bourberine at higher dosages here. Some of these studies lasted as long as 16 weeks or 18 weeks, one or two grams per day. I wouldn't recommend that. That would probably cause some
gastrointestinal distress in people. So I think less is more for most folks honestly when it comes to bourberine. Now let's talk about bourberine and cancer. This is really interesting. We have five clinical studies in
individuals with colurectal cancer uh cervical cancer and other types of cancer finding that low doses of bourberine 300 milligs to 600 milligs per day uh actually had a decreased recurrence rate of colurectal adinomas.
And also they looked at lymphas and cervical cancer improvements in those different uh affformentioned cancers. So again this is a natural product a sense that bourberine might improve the prognosis of someone diagnosed with
cancer because we know that metabolic health and cancer are intimately connected and impossible to disentangle. So uh that to me makes a lot of sense. I think this is um important. Now what about the risks uh particularly the drug
drug interactions with bourberine I think this is important there might be think this is important there might be effects um linked with uh tmoxifen so for individuals who are on novidex for say breast cancer or something uh cypro
there tends to be uh a potential for antibiotic dose reduction so if you're taking cypro for an infection um [snorts] metformin there seems to be cycllosporin
warrin uh and possibly kakconazol. So those are things that people should consider. We're talking about table 8 here uh as well. So here's the thing I think is is important for folks to understand is that bourberine is well
known to have low intestinal absorption and poor bioavailability, but obviously it has clinical effects. And so how does it work? It works within the gut, hormones and so forth. So, I think that's something that we should
that's something that we should definitely uh consider and it might even improve the uh intestinal tight junctions and and help with intestinal permeability. So, I think that's something that should be considered. But
overall, in this review, the investigators say bourberine shows a promise for low toxicity and is a potential therapeutic agent for enhancing lipid profiles, reducing inflammation, and promoting endothelial
function despite bioavailability challenges. Again, when it comes to optimize bioavailability because most of these herbs actually work in the gut. So, I think that's important. Its therapeutic effects on atherosclerosis
profiles, lowering blood pressure, and enhancing glycemic control offer a promising alternative to conventional treatments with fewer side effects. Highlighting the value of incorporating natural supplements like bourberine into
lifestyle changes for better health outcomes and chronic conditions. Its multiaceted effects make it a valuable adjunct in managing non-alcoholic fatty liver disease, especially amid rising obesity and type 2 diabetes.
underscores the promising role of bourberine as a potential anti-cancer agent revealing its capabilities in modulating a range of cellular mechanisms critical to tumor growth and metastasis. Brain has been shown to
influence various pathways involved in cell proliferation, apoptosis and angioenesis which are fundamental processes in cancer development and progression. So I think this uh you know suggests that there are promising
findings with regards to bourberine as a natural compound that can help support metabolic health. I would encourage you to try this you most studies find and advise people to take bourberine 30 minutes before major meals. So this
could be lunchtime, this could be dinner time. Starting on the low end of 300 millig up to say 750 millig once or twice per day. I found anecdotally this So this can be effective this time of year around the holiday seasons. You,
parties and holiday parties when there's more food availability, you tend to eat more. And if you're prone to trying and sampling everything, you know, you have didn't exercise today. That can be a problem. And that over time can lead to
weight gain. So, if you're like me and you like to taste everything and overeat want to try bourberine. I would just take 500 to 750 milligrams before you go to a party and see what you might notice with regards to your cravings. I found
it helps with alcohol cravings as well as food cravings. So, I would like to know what your thoughts are. Let me know in the comments section below for products and reviews. I'll put those in the description below. And I'll also put
this article in the description below as well. I'm grateful that you tuned in to well. I'm grateful that you tuned in to the very end.