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What is Citrus Bergamot and Where Does It Come From?

Citrus bergamot is a type of citrus fruit that grows primarily in the Calabria region of southern Italy. The fruit itself looks like a cross between a lemon and an orange, with a yellow or greenish color. Unlike many citrus fruits, bergamot is rarely eaten fresh because the flesh is quite bitter and acidic. Instead, the peel and the essential oil extracted from the peel are what people value most.

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The essential oil from bergamot peel has been used in traditional medicine practices in Italy for centuries. The fruit became well-known around the world during the 1600s and 1700s when the oil was used in perfumery and early medicinal preparations. Today, bergamot oil remains a key ingredient in Earl Grey tea, which gives that tea its distinctive floral and citrusy flavor.

The active compounds in citrus bergamot include flavonoids, which are plant chemicals found in many fruits and vegetables. Some of the main flavonoids in bergamot are naringin, neohesperidin, and neoeriocitrin. These compounds are what researchers have studied when looking at the potential health properties of bergamot. The whole fruit, the peel, and the oil all contain these beneficial plant chemicals, though in different amounts.

In recent decades, interest in citrus bergamot has grown beyond Italy. Researchers in various countries have conducted studies on bergamot extracts and their possible effects on human health. This has led to increased availability of bergamot supplements, bergamot juice, and bergamot extracts in health food stores and online retailers around the world.

Practical takeaway: Understanding that bergamot is a specific citrus variety with a long history of use helps you distinguish it from other citrus fruits and explains why researchers focus on studying its particular compounds rather than studying oranges or lemons in the same way.

Research on Cholesterol and Heart Health

One of the main areas that researchers have studied regarding citrus bergamot involves cholesterol levels and heart health. Several studies conducted in Italy and other countries have examined whether bergamot extracts might affect cholesterol in ways that could matter for cardiovascular health. These studies generally looked at people with elevated cholesterol levels and measured their cholesterol numbers before and after taking bergamot supplements for a set period.

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A 2013 study published in the journal Phytotherapy Research involved 237 people with high cholesterol who took a bergamot extract for six months. The study found that total cholesterol levels decreased by an average of about 20 percent in the group taking bergamot compared to the group taking a placebo. LDL cholesterol, often called "bad" cholesterol, decreased by approximately 38 percent. HDL cholesterol, often called "good" cholesterol, increased by about 27 percent. However, it is important to note that this was one study, and results can vary between different studies and different people.

Other research has explored how bergamot might work in the body. The flavonoids in bergamot may interact with how the body produces and processes cholesterol. Some research suggests these compounds might affect enzymes involved in cholesterol metabolism. Additionally, bergamot contains antioxidants, which are substances that may help protect cells from damage caused by free radicals—unstable molecules in the body.

It is worth noting that while these studies are interesting, they do not prove that bergamot is a substitute for prescription medications or lifestyle changes like diet and exercise. Most medical professionals recommend that people with heart health concerns work with their doctors on a complete approach that may include medications, diet changes, and physical activity. Bergamot might be one tool people explore as part of their overall health routine, but it is not proven to replace established medical treatments.

Practical takeaway: Research on bergamot and cholesterol exists, but you should view it as preliminary information showing areas worth learning more about rather than as proof of how bergamot will affect your own body. Always discuss any changes to your health routine with your doctor.

Bergamot and Blood Sugar Management

Another area of research on citrus bergamot focuses on blood sugar levels and glucose metabolism. Some studies have examined whether bergamot might play a role in how the body manages blood sugar. This is particularly relevant since many people worldwide live with type 2 diabetes or prediabetes, conditions where blood sugar management is a significant health concern.

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Several small studies have looked at whether bergamot extracts affect fasting blood glucose levels—the amount of sugar in the blood when someone has not eaten for several hours. A 2012 study published in the journal Nutrition, Metabolism and Cardiovascular Diseases examined 30 people and found that those taking bergamot extract showed improvements in fasting blood glucose levels compared to those taking a placebo. Another study involving people with metabolic syndrome, a group of conditions that can increase disease risk, found that bergamot supplementation appeared to help with blood sugar control.

The flavonoids in bergamot may influence blood sugar through several mechanisms. Some research suggests these compounds might affect how quickly the body absorbs glucose, or they might help the pancreas function better in producing insulin, the hormone that helps cells take up glucose. Additionally, the antioxidant and anti-inflammatory properties of bergamot flavonoids might support overall metabolic health, though researchers are still working to understand the exact mechanisms.

As with cholesterol research, it is important to understand that these studies are generally small and conducted over short time periods. More extensive research would be needed to draw firm conclusions. People with diabetes or blood sugar concerns should continue following their doctor's guidance on diet, medication, and monitoring. While bergamot might be something to discuss with your healthcare provider as a potential addition to your health routine, it is not a replacement for prescribed diabetes management.

Practical takeaway: Information about bergamot and blood sugar exists in research literature, but it represents early-stage findings rather than established medical guidance. This information can help you understand what bergamot is being studied for, but medical decisions should involve your healthcare provider.

Anti-inflammatory and Antioxidant Properties

Beyond cholesterol and blood sugar, researchers have studied the general anti-inflammatory and antioxidant properties of citrus bergamot. Inflammation and oxidative stress are connected to many chronic health conditions, and scientists have long been interested in plant compounds that might help address these processes in the body.

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The flavonoids and other compounds in bergamot appear to have antioxidant activity in laboratory studies, meaning they can neutralize free radicals in test tubes and cells. Free radicals are unstable molecules that form naturally in the body through normal metabolism and from external sources like pollution and ultraviolet light. Over time, accumulation of free radicals can lead to oxidative stress, which many researchers believe contributes to aging and disease development. Antioxidants like those in bergamot may help reduce this damage, though demonstrating this effect in living human bodies is more complex than showing it in a laboratory.

Several studies have measured inflammatory markers—specific substances in the blood that indicate inflammation—in people taking bergamot extracts. Some research has found that bergamot appears to lower certain inflammatory markers. For example, a study published in Phytotherapy Research found that bergamot supplementation reduced inflammatory markers called C-reactive protein in study participants. Chronic inflammation is thought to contribute to cardiovascular disease, diabetes, arthritis, and other conditions, so reducing inflammation is considered valuable for health.

It is important to recognize that while these properties are interesting from a scientific perspective, having antioxidant or anti-inflammatory activity in the laboratory does not automatically translate to significant health improvements in people. The body is extremely complex, and many factors affect whether a substance with theoretical anti-inflammatory properties will produce noticeable health effects in a given person. Additionally, people can support antioxidant and anti-inflammatory processes through many other methods, including exercise, sleep, stress management, and eating a diet rich in various colorful fruits and vegetables.

Practical takeaway: Understanding that bergamot contains compounds with antioxidant and anti-inflammatory properties shows why researchers are interested in studying it, but this knowledge alone does not tell you whether taking bergamot supplements will noticeably improve your health. Context matters—overall lifestyle plays a major role in inflammation and oxidative stress.

How to Use Bergamot and Available Forms

Citrus bergamot is available in several different forms, and the form you choose

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