11 Science-Backed Health Benefits of Black Pepper
By Makayla Meixner
Black pepper is one of the most commonly used spices worldwide.
It's made by grinding peppercorns, which are dried berries from the vine Piper nigrum.
It has a sharp and mildly spicy flavor that goes well with many dishes.
But black pepper is more than just a kitchen staple. It has been deemed the "king of spices" and used in ancient Ayurvedic medicine for thousands of years due to its high concentration of potent, beneficial plant compounds (1, 2).
Here are 11 science-backed health benefits of black pepper.
1. High in Antioxidants
Free radicals are unstable molecules that can damage your cells. Some free radicals are created naturally — such as when you exercise and digest food.
However, excessive free radicals can be formed with exposure to things like pollution, cigarette smoke, and sun rays (3).
Black pepper is rich in a plant compound called piperine, which test-tube studies have found to have potent antioxidant properties.
Test-tube and rodent studies have observed that ground black pepper and piperine supplements may reduce free radical damage (8).
For instance, rats fed a high-fat diet plus either black pepper or a concentrated black pepper extract had significantly fewer markers of free radical damage in their cells after 10 weeks compared to rats fed a high-fat diet alone (9).
Black pepper is rich in a potent antioxidant called piperine, which may help prevent free radical damage to your cells.
2. Has Anti-Inflammatory Properties
Many laboratory studies suggest that piperine — the main active compound in black pepper — may effectively fight inflammation (12).
However, the anti-inflammatory effects of black pepper and piperine have not yet been studied extensively in people.
Black pepper contains an active compound that has been shown to decrease inflammation in animals. Still, it's unclear whether it has the same effects in humans.
3. May Benefit Your Brain
Piperine has been shown to improve brain function in animal studies.
For example, a study in rats with Alzheimer's disease found that piperine improved memory, as the distribution of piperine enabled the rats to repeatedly run a maze more efficiently than rats not given the compound (19).
In another rodent study, piperine extract seemed to decrease the formation of amyloid plaques, which are dense clumps of damaging protein fragments in the brain that have been linked to Alzheimer's disease (20, 21).
Yet, studies in humans are needed to confirm whether these effects are also seen outside animal studies.
Black pepper extract has improved symptoms of degenerative brain diseases in animal studies, but studies in humans are needed to verify these results.
4. May Improve Blood Sugar Control
Additionally, 86 overweight people taking a supplement containing piperine and other compounds for 8 weeks experienced significant improvements in insulin sensitivity — a measure of how well the hormone insulin removes glucose from the bloodstream (26).
However, it's unclear whether the same effects would occur with black pepper alone, as a combination of many active plant compounds was used in this study.
Black pepper extract may improve blood sugar control, but more research is needed.
5. May Lower Cholesterol Levels
In one 42-day study, rats fed a high-fat diet and a black pepper extract had decreased blood cholesterol levels, including LDL (bad) cholesterol. The same effects were not seen in the control group (31).
Still, more studies are needed to determine whether black pepper itself has significant cholesterol-lowering effects in humans.
Black pepper has demonstrated cholesterol-lowering effects in rodent studies and is believed to boost the absorption of potential cholesterol-lowering supplements.
6. May Have Cancer-Fighting Properties
Another test-tube study screened 55 compounds from spices and observed that piperine from black pepper was the most effective at enhancing the efficacy of traditional treatment for triple-negative breast cancer, the most aggressive cancer type (41).
What's more, piperine has shown promising effects in laboratory studies for reversing multidrug resistance in cancer cells — an issue that interferes with the efficacy of chemotherapy treatment (42, 43).
Though these results are promising, more studies are needed to understand the potential cancer-fighting properties of black pepper and piperine.
Black pepper contains an active compound that has slowed the replication of cancer cells and induced cancer cell death in test-tube studies. However, these effects have not been studied in people.
7–10. Other benefits
Black pepper may benefit health in many other ways according to preliminary research:
7. Boosts absorption of nutrients. Black pepper may increase the absorption of essential nutrients like calcium and selenium, as well some beneficial plant compounds, such as those found in green tea and turmeric (1, 44).
8. May promote gut health. The makeup of your gut bacteria has been linked to immune function, mood, chronic diseases, and more. Preliminary research suggests that black pepper may increase the good bacteria in your gut (1, 45).
10. May reduce appetite. In a small study, 16 adults reported reduced appetite after drinking a black-pepper-based beverage compared to flavored water. However, other studies did not show the same effects (48, 49).
Black pepper increases the absorption of essential nutrients and beneficial plant compounds. According to preliminary research, it may also promote gut health, offer pain relief, and reduce appetite.
11. A Versatile Spice
Black pepper has become a kitchen staple in households worldwide.
With its subtle heat and bold flavor, it's versatile and can enhance almost any savory dish.
A dash of ground black pepper can be a tasty seasoning for cooked vegetables, pasta dishes, meat, fish, poultry, and many more.
It also pairs well with other healthful seasonings, including turmeric, cardamom, cumin, garlic, and lemon zest.
For an extra kick and a little crunch, try coating tofu, fish, chicken, and other proteins with coarsely ground peppercorns and additional seasonings.
Black pepper has a subtle heat and a bold flavor that makes it a tasty addition to almost any dish.
The Bottom Line
Black pepper and its active compound piperine may have potent antioxidant and anti-inflammatory properties.
Laboratory studies suggest that black pepper may improve cholesterol levels, blood sugar control, and brain and gut health.
Despite these promising findings, more studies in humans are needed to better understand the exact health benefits of black pepper and its concentrated extracts.
Regardless, this versatile flavor-enhancer is worth adding to your daily cooking routine, as its bold flavor is a great addition to almost any dish.
Reposted with permission from our media associate Healthline.
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