Benefits & Side Effects of Green Coffee & Its Dosage

Green coffee is known to be very popular for weight loss and many other health benefits. There are people who prefer taking green coffee for obesity, high blood pressure, diabetes, bacterial infections and many other conditions. Below we will know about some of the best benefits along with the side effects and proper dosage for green coffee.

Benefits of Green Coffee

Benefits of Green Coffee

Here are some of the benefits of Green coffee.

  1. Benefits of Green Coffee for Obesity

    It is found from some research studies that green coffee is beneficial for reducing obesity. There are some early research which suggests that obese adults consuming a specific green coffee extract 5 times in a day regularly for 4 weeks to 12 weeks, either alone or combined with the regular coffee product, lose an average of 2.5 kg to 3.7 kg more weight than those individuals taking a placebo or regular coffee.

  2. Green Coffee is Beneficial in Treating High Blood Pressure

    There are also evidences which show green coffee benefits in treating high blood pressure. Early research suggests that consuming green coffee extracts containing 50 mg to 140 mg of chlorogenic acids regularly for about 4 to 12 weeks can reduce blood pressure in the Japanese adults who have mild and untreated high blood pressure. It was noted that the top number or the systolic blood pressure reduced by 5 mmHg to 10 mmHg while the bottom number or the diastolic blood pressure reduced by 3 mmHg to 7 mmHg in the patients taking green coffee.

  3. Green Coffee for Type 2 Diabetes

    Green coffee bean extract is known to be highly beneficial in treating diabetes by getting the blood sugar level normal in the body. Chlorogenic acids present in green coffee are known to inhibit the release of G6P in a profound manner, which in turn stabilizes the levels of blood sugar in the body. Thus Green coffee can be useful for diabetic patients.

  4. Alzheimer’s Disease

    Green coffee is also beneficial for patients of Alzheimer’s disease. Several studies have shown that regular intake of green coffee has potential effects in reducing Alzheimer’s disease and also other conditions like dementia.

  5. Other Health Benefits of Green Coffee

    There are also several other benefits of green coffee. It is known to be beneficial in treating conditions like heart diseases, weight loss and also helps in improving energy and state of well being.

Side Effects of Green Coffee

It can be said that Green coffee is most probably safe when taken orally. However, taking improper dosages of coffee can lead to several side effects which will be discussed below.

  1. Side Effects of Green Coffee:- Abnormally High Levels of Homocysteine

    It is known that taking high dose of chlorogenic acid found in green coffee for a short duration causes increased levels of plasma homocysteine. This may be associated with conditions like heart disease.

  2. Green Coffee Can Make Anxiety Worse

    One of the side effects of green coffee is that it can make your anxiety worse. So it is advisable that in case you have anxiety disorder then it is best to avoid taking green coffee or limit the amount.

  3. Diabetes

    Yet another major side effect of green coffee is diabetes. The caffeine present in green coffee has been reported to cause increase or decrease of the blood sugar. It is essential for you to use green coffee with caution in case you have diabetes and also monitor your blood sugar carefully

  4. Bleeding Disorders

    There are concerns that caffeine present in green coffee might worsen the bleeding disorder. So people with bleeding disorder must take green coffee with extra caution.

  5. Diarrhea

    There is presence of Caffeine in green coffee. It is known that caffeine when taken in larger amount can actually worsen diarrhea.

  6. High Blood Pressure

    Green coffee can cause side effects of high blood pressure. It is found that caffeine present in green coffee might increase the blood pressure in individuals with high blood pressure

  7. Osteoporosis

    Excessive intake of green coffee may cause side effects of Osteoporosis. Caffeine present in green coffee and several other sources can increase the amount of calcium that is flushed out in the urine. This in turn might weaken bones. If an individual has osteoporosis, he or she must limit consumption of caffeine to less than 300 mg per day.

  8. Glaucoma

    Consuming green coffee which consists of caffeine, can increase pressure inside the eye and lead to condition like Glaucoma.

  9. IBS or Irritable Bowel Syndrome

    Green coffee comprises of caffeine and this when taken in large amount can worsen diarrhea and cause IBS or Irritable Bowel Syndrome.

  10. High Cholesterol

    It is found that specific components of green coffee can increase the cholesterol levels. However it is not very much clear if green coffee can actually cause increase cholesterol levels.

  11. Other Side Effects of Green Coffee

    Caffeine found in Green coffee can cause side effects of insomnia, restlessness, nervousness, upset stomach, nausea and vomiting along with conditions like increased heart rate, breathing rate etc. Taking large amount of green coffee may cause agitation, headache, ringing ears, etc.


It must be noted that as there are no reliable information about the safety of taking green coffee, if you are pregnant or are breast feeding; then do stay on the safe side and keep away from green coffee or consult your doctor before taking green coffee.

Green Coffee Dosage

The appropriate dose of green coffee depends of various factors like the user’s age, his or her health condition and various other conditions. At this time there is not enough scientific information to determine the appropriate dosage of green coffee; however it is noted that taking doses up to 480 g regularly can be safe for about 12 weeks. It must also be noted that a specific green coffee extract has been used safely in doses up to 200 mg for 5 times in a day up to 12 weeks.

It is advised that you consult your doctor or pharmacist before using green coffee to prevent any untoward side effects.

Pramod Kerkar, M.D., FFARCSI, DA
Pramod Kerkar, M.D., FFARCSI, DA
Written, Edited or Reviewed By: Pramod Kerkar, M.D., FFARCSI, DA Pain Assist Inc. This article does not provide medical advice. See disclaimer
Last Modified On:July 26, 2017

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