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Dark roast coffee is a cool, creative, and healthy pick-me-up for 40% of the world’s population. It has big flavors for those who love the nature-promoting and bold taste of the coffee. It is the first choice of many people for their morning pick-me-up. It gives you an excuse to eat dessert. “Getting a cup of coffee” is a way of life in today’s world.

Coffee is not just about taste and enjoyment. It is a big energy source and has several health benefits that significantly increase its usefulness to humans. 

It is important to tell you that dark roast coffee beans are roasted from 400 degrees Fahrenheit to 480 degrees Fahrenheit. And this roasting time is 8–12 minutes. Suppose you roast your coffee beans at a temperature above 480 degrees Fahrenheit. In that case, it may risk you getting nothing but burnt beans or charcoal. This kind of dark roast coffee is quite dangerous for your health.

15 Health Benefits

Though the potential beneficial effects of coffee on the human body are not entirely understood; however, numerous studies show that people who regularly drink dark coffee are healthier than others. There are hundreds of biologically active compounds, including caffeine, flavonoids, lignans, and other polyphenols found in dark roasted coffee, reducing the risk of diseases that could lead to death.

The compounds present in dark roast coffee drinks prevent cellular damage to the human body and regulate the genes involved in DNA repair. They have anti-inflammatory properties and inhibit metastases, among other activities.

1. Caffeine levels

Coffee is known in the world for its caffeine content. In the past, coffee was used mainly to clean the skin and improve body odor, but several research works show that caffeine has more health benefits. Caffeine can enhance your memory, decrease your fatigue. It may improve your mental functioning and speed up your reaction times.

Too much consumption of caffeine may cause some anxiety and other health risks in some consumers. So to provide more health benefits to your body, you should never increase your daily routine of drinking coffee by more than three or four cups. 

2. Weight Loss

Dark roast coffee is a beneficial beverage for weight loss. Because dark roast beans are rich in N-methyl pyridinium ions, which are responsible for weight loss.

Methylpyridinium is a chemical quaternary ammonium compound derived from the N-methylation of pyridine. This compound is not present in green coffee beans because it is formed during the roasting process of green coffee beans from its precursor compound, trigonelline.

3. Improved Liver Health

Your liver helps your body filter your blood and provides essential fluids so that your stomach can digest food more efficiently. Drinking 3 to 4 cups of dark roast coffee every day can favor an improvement in hepatic steatosis and fibrosis and a reduction in cirrhosis and the risk of hepatocellular carcinoma.

4. DNA integrity

One study analyzed the effects of dark roast coffee consumption on the level of spontaneous DNA strand breaks. During the study, both groups were consistently given the same dose. The use of dark roast coffee significantly reduced the level of spontaneous DNA strand breaks in WBC. They conclude that regular dark roast coffee consumption contributes to DNA integrity.

5. Reduces insulin resistance 

There is also evidence that dark roast coffee reduces insulin resistance and the risk of type 2 diabetes, which reduces the incidence and death risks in different diseases.

6. Lower the risk of cancer 

There is a lot to know about the links between coffee and cancer. An expert working group convened for the International Agency for Research on Cancer Monographs Programme found that coffee drinking may reduce the risk of several types of cancer, including head and neck, colorectal, breast, uterine endometrium, and liver cancer.

7. Type 2 diabetes mellitus

The high level of glucose in your blood is called type 2 diabetes. It occurs when your body cannot produce as much insulin as your body needs or cannot use the hormone effectively; this results in very high blood glucose levels. 

Research has shown that if you drink three to four cups of coffee a day, your risk of type 2 diabetes is reduced. But if you don’t drink a cup of coffee per day, your risk of type 2 diabetes increases by 17%.

8. Parkinson’s disease

People with Parkinson’s disease have difficulty walking and talking. It is a brain disorder that initially causes the body to tremble, stiffness in the joints, difficulty in walking and talking. At first, the symptoms do not seem so serious, but it becomes more challenging for you to cope as the disease progresses.

Recent research provides some compelling insights into the possible biochemical protective mechanisms of our cup of joe. These research studies have shown that drinking coffee, in particular, has been associated with having a reduced risk of developing Parkinson’s disease.

9. Alzheimer’s and dementia

Mild cognitive impairment in the human brain causes a slight but noticeable and measurable decrease in cognitive abilities, including memory and thinking skills. A person with symptoms of MCI is always at risk for Alzheimer’s or other dementia diseases.

Recent study results suggest that coffee drinking of 3-5 cups per day at midlife is associated with a decreased risk of cognitive disorders and dementia

by about 65% at late life.

10. Niacin in your cup of coffee 

Every part of your body needs niacin to function correctly. It may reduce symptoms of arthritis, and it lowers LDL cholesterol as well as increases HDL cholesterol. It may help prevent heart disease, treat type 1 diabetes.

It lowers triglycerides and reduces symptoms of arthritis. Niacin boosts and improves brain and skin functions. 

Your consumption of dark roast coffee in your daily routine is a significant source of niacin content. 

The niacin content of roasted coffee is about 10 mg/100 g, and it reaches 40 mg in heavy roasted coffees.

11. Diterpenes

Cafestol and kahweol are cholesterol-raising ingredients in dark roast coffee known as diterpenes. They are present either as oily droplets or in the grounds floating in your cup of coffee.

These naturally occurring diterpenes in coffee exert several biological activities such as anti-inflammatory, antimicrobial, and antispasmodic activities.

12. Coffee melanoidins

When roasters roast green coffee beans in roasting machines, coffee bean components undergo structural changes, which lead to the formation of melanoidins.

Numerous biological activities have been attributed to coffee melanoidins, such as antioxidant, antimicrobial, anti-cariogenic, anti-inflammatory, anti-hypertensive, and antiglycative activities.

Their health implications are of great interest.

The dark roast coffee is known to have a higher concentration of antioxidants and anti inflammatory compounds..

It can lower cholesterol or overall inflammation in the body and reduce the risk for some diseases.

Ella Jesmajian Co-Founder of Honey and Roses Coffee.

13. Polyphenol content

Polyphenols reduce the number of bacteria in the human body that can harm human health in various ways.

Polyphenols combined with vitamin C, vitamin E, and other carotenoids form antioxidants that protect body tissues from oxidative stress and related pathologies such as cancer, coronary heart disease, and inflammation.

Chlorogenic acids are the main types of polyphenols found in coffee.

14. Chlorogenic acid (CGA)

When roasting an herb, fruit, vegetable, or grain, the thing that is most affected by roasting is the chlorogenic acid (CGA) found in that herb, fruit, vegetable, or grain. Fortunately, dark roast coffee still contains its chlorogenic acid, despite roasting on high levels.

Chlorogenic acid (CGA) lowers glucose levels in the blood and restrain glucose in six phosphatases. These are the two main metabolic pathways responsible for the release of glucose from the liver.

Since chlorogenic acids may stimulate gastric fluid secretions, dark roast coffee is an appropriate choice for individuals with digestive issues. Dark roast is perfect for people who suffer from acidity because it has low acidity.

15. Restore vitamin E content 

Vitamin E has antioxidant and anti-inflammatory properties that your body needs to support your immune system and help your cells regenerate.

Vitamin E is beneficial for your skin health and appearance. It can reduce inflammation of your face to make your skin look younger.

Dark roast coffee is effective in restoring vitamin E in your body. 

16. Trigonelline

In different research studies, it was observed that trigonelline has various healthful activities. These are hypoglycemic, hypolipidemic, neuroprotective, antimigraine, sedative, memory-improving, antibacterial, antiviral, and anti-tumor activities. Trigonelline also reduces diabetic auditory neuropathy and platelet aggregation.

The roasting process mostly breaks down trigonelline to nicotinic acid; however, some unbroken molecules preserve their position in dark roasted coffee beans.

17. Vitamin B5

Coffee is packed full of Vitamin B5 or pantothenic acid. Vitamin B5 is a vitamin that is essential for human life. Vitamin B5 helps your body in the process of converting your food into energy and making blood cells.

Increase glutathione content in the body

Glutathione is an antioxidant that prevents damage to vital cellular components caused by reactive oxygen species such as free radicals, peroxides, lipid peroxides, and heavy metals.

Drinking 3 to 4 cups of coffee a day increases the amount of glutathione in your body, which gives you the benefits mentioned above.


Though drinking dark roast coffee is considered more beneficial for human health, consuming too much coffee was supposed to cause harmful effects to the human body. Potential health risks like heart diseases, lung cancer, etc., are associated with regular too much coffee consumption.

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