Ozempic and Wegovy are typically prescribed for diabetes, but in recent months they have made headlines following endorsements from celebrities and billionaires like Elon Musk, who say the drugs are quick weight loss solutions.
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The rise in the use of Ozempic for reasons beyond treating diabetes has led to a national shortage. Now, attention has shifted to a dietary supplement called berberine, which is being touted on social media as "nature's Ozempic."
"Berberine is a natural compound found in a multitude of plants," Dr. Carl Giordano, a surgeon in New Jersey, tells CNBC Make It. "The most common plants are barberry, goldenseal, Oregon grapes [and] Chinese goldthread."
Similar to Ozempic, berberine decreases blood sugar and can lead to weight reduction, says Giordano who is also co-founder of Rebesana, a company that researches healthspan and lifespan.
But unlike Ozempic, the natural drug isn't injectable and can be taken orally.
Berberine differs from Ozempic in other ways as well. "[Berberine] doesn't help with stopping the body from feeling hungry [or] stopping cravings," says Neil Paulvin, a NY-based longevity and regenerative medicine doctor. "It doesn't slow down how the stomach empties, which is one of the main ways that Ozempic and Mounjaro work."
Using berberine, "patients maybe lose two to four pounds a month at max, if not less," says Paulvin. "With Ozempic, people are losing five to 12, sometimes up to 16 pounds a month."
Berberine is inexpensive compared to Ozempic's monthly cost of $1,000 or more. A 90-count bottle of the supplement costs around $40. It is also more easily accessible, and can be bought over the counter in drugstores like CVS, Rite Aid and Walgreens.
But Giordano says berberine appears to have great health benefits that far exceed weight loss: "I don't know why doctors don't recommend this regularly."
Spend any time online, and you&#;ll be bombarded with information about the latest trendy supplements. These &#;all-natural&#; remedies promise clearer skin, restful sleep, a flat belly, improved memory &#; the list is endless.
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The problem is that these claims often lack substantial data. It&#;s hard to know which ones are truly beneficial.
But berberine, a traditional Chinese medicine, may be a promising supplement.
&#;People are starting to look at more natural approaches and treatments. But not all &#;natural&#; things are without side effects or proven effective,&#; says functional medicine specialist Elizabeth Bradley, MD. &#;But berberine, in many ways, acts similarly to medication.&#;
Berberine is a bioactive compound &#; a chemical substance that can affect how humans and other living things function. It comes from plants and is part of a group of nitrogen-containing compounds called alkaloids. Other well-known alkaloids include morphine, nicotine and caffeine.
While berberine might not be as well-known as caffeine, it&#;s not a new substance. It&#;s been a staple in traditional Chinese medicine (TCM) for more than 400 years, mainly used to treat diarrhea and other gastrointestinal infections.
Research shows it may be effective for several chronic diseases, including diabetes, cardiovascular disorders and inflammatory diseases.
But most studies are small, not well-designed and need to be interpreted with caution. And with all supplements, the U.S. Food and Drug Administration (FDA) doesn&#;t regulate berberine for safety and effectiveness.
When you take berberine as a pill or powder, it enters your bloodstream and travels to your cells, binding to different molecules. But instead of producing a single change, berberine interacts with multiple targets, impacting more than one disease at a time.
&#;Berberine works at a cellular level and changes how cells work by turning things off and on,&#; Dr. Bradley explains. &#;Its basic interactions involve so many different processes in the body.&#;
It&#;s important to note that berberine, as with any supplement, shouldn&#;t replace any medical treatment. Dr. Bradley recommends speaking with a healthcare provider before starting berberine or any other supplement.
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The benefits of berberine show potential for anyone diagnosed with Type 2 diabetes or metabolic syndrome &#; a collection of risk factors that make you more likely to develop serious health issues like diabetes, heart disease and stroke.
&#;Berberine can help diabetes, high blood pressure and lipid levels,&#; notes Dr. Bradley. &#;Combine berberine with lifestyle changes, like losing weight, and it can positively affect those conditions.&#;
There&#;s evidence that berberine may:
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The most studied benefit of berberine is its effect on blood sugar levels and diabetes. It can be taken in conjunction with medications for diabetes, but Dr. Bradley strongly cautions against using berberine in place of your diabetes medications.
People with Type 2 diabetes often have high blood glucose levels (hyperglycemia), which can happen if:
Insulin resistance is to blame for more than 80% of glucose issues with Type 2 diabetes. High blood glucose levels can lead to severe health conditions, including eye disease, foot problems, gum disease and heart disease. But berberine regulates how glucose is processed to help get your blood sugar under control. It increases the amount of insulin your body produces and decreases cell resistance, resulting in lower blood sugar.
&#;Berberine helps with two things,&#; Dr. Bradley says. It improves:
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Early research indicates that berberine may help reduce body fat. In one small clinical trial that looked at treating nonalcoholic fatty liver disease, participants who took berberine every day for three months experienced significant weight loss.
Berberine differs from herbal weight loss products, which often lack substantial data. Its effect on weight loss stems from its impact on insulin and glucose. When most people think of insulin, they think of blood sugar management. But insulin also regulates fat and protein metabolism.
&#;If you have insulin resistance, the cells don&#;t have enough glucose, making you feel hungry &#; there&#;s improper signaling going on,&#; explains Dr. Bradley. As you continue eating to satisfy your hunger, your body stores excess blood glucose as fat.
But berberine improves how cells respond to insulin (insulin sensitivity), promoting better movement of glucose into cells (glucose uptake). It also impacts how glucose gets used. Once your cells have their glucose, you feel less hungry, so you eat less.
Berberine also activates an enzyme called AMP-activated protein kinase (AMPK). AMPK exists in every cell. Its primary job is to regulate metabolism, helping control how your body breaks down and uses energy. But AMPK can also influence body fat composition and plays a critical role in regulating your appetite.
But don&#;t fall for claims on TikTok that berberine is &#;nature&#;s Ozempic.&#; It&#;s important to note that Dr. Bradley says that more studies on how berberine affects weight loss are needed.
Your blood contains fatty substances (lipids) directly related to your heart health. Having high levels of some of those lipids &#; cholesterol (hyperlipidemia) and triglycerides &#; increases your risk of heart disease.
Research shows that berberine may lower lipid levels. Studies focusing on berberine and heart health also show that the supplement can raise good (HDL) cholesterol while lowering total cholesterol, bad (LDL) cholesterol and blood triglycerides.
But lowering lipid levels isn&#;t the only way berberine may protect your heart. Research indicates that using both berberine and hypertension medication lowered blood pressure more than medication alone.
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And Dr. Bradley says, don&#;t forget that diabetes, obesity and high blood pressure are all risk factors for heart disease. When berberine improves those factors, it can directly affect your heart health.
Your gut microbiota &#; the microorganisms in your digestive tract &#; interact positively and negatively with many of your body&#;s systems. It can improve immune responses and help prevent inflammatory diseases. But an imbalance in gut bacteria &#; more bad bacteria than good &#; is associated with many diseases, including diabetes, cardiovascular disease and cancer.
A review of research shows that keeping gut microbiota balanced can also reduce your risk of colon cancer, inflammatory bowel disease (IBD) and obesity.
Berberine may help balance or regulate intestinal health by reducing harmful bacteria and encouraging good bacteria to grow. It also provides your gut with protection.
&#;Berberine helps improve how the gut barrier works,&#; clarifies Dr. Bradley. &#;We&#;re finding that it protects the intestinal barrier from all these inflammatory things happening in the body.&#;
Dr. Bradley says berberine can be a user-friendly supplement. But there are some things to think about before adding berberine to your daily routine:
Berberine is good for your gut, but ironically, its most common side effects involve the digestive system and include:
Not everyone experiences side effects, which should become tolerable if you reduce the dose.
&#;I usually tell patients to start slow and low,&#; Dr. Bradley advises. &#;Typical dosing is 500 milligrams (0.5 grams) three times a day before meals. But you may want to start with one dose a day and see how you handle it before slowly progressing to taking it three times a day.&#;
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