Are coffee beans safe to eat?

In this brief guide, we are going to answer the question, “Are coffee beans safe to eat?”. We will discuss the potential health benefits and risks of eating coffee beans. We will also look at the best ways to eat coffee beans.

Are coffee beans safe to eat?

Yes, coffee beans are safe to eat. While eating a few coffee beans is fine in moderation, eating too many can cause issues. Furthermore, some people are allergic to chemicals found in beans, which might cause unpleasant side effects. Some people may have stomach distress as a result of certain chemicals found in coffee beans.

What are the risks of eating coffee beans?

Laxative effects: Some people experience a laxative effect after drinking coffee.

Non-caffeine coffee also was found to stimulate bowel motions, indicating that caffeine is not the culprit. Even low quantities of caffeinated coffee can produce diarrhea, though this is uncommon.

Coffee beans should be avoided by people who have gastrointestinal diseases including irritable bowel syndrome (IBS) or inflammatory bowel disease (IBD).

Causes heartburn: Caffeine and other substances found in coffee beans, known as catechols, have been demonstrated to raise stomach acid. This can cause heartburn, which is a painful condition caused by stomach acid pushing back up your stomach. Bloating, vomiting, and stomach discomfort are all possible side effects of heartburn.

Disturbance of sleep: While the caffeine from coffee beans might provide an energy boost, this can cause sleep issues in caffeine-sensitive people. Persons who are caffeine sensitive or who take too much are more likely to have trouble falling and staying asleep, which can lead to daytime weariness.

Caffeine’s effects might linger for up until 9.5 hours after ingestion. If caffeine disrupts your sleep, cut back on how much you eat during the day and avoid it totally before bedtime.

Other side effects: Caffeine consumption is connected to a number of other negative and potentially harmful side effects, including:

  • Anxiety symptoms such as heart palpitations, nausea, and anxiety.
  • Pregnancy complications such as miscarriages, birthweight, and preterm labor are all more likely.

If you have a caffeine sensitivity, suffer from anxiety, are pregnant or nursing, it’s suggested to reduce or skip coffee beans.

Withdrawal symptoms: If you suddenly stop coffee, you may experience withdrawal symptoms such as headaches, anxiety, fatigue, tremors, and impaired focus. If you’re having withdrawal symptoms, gradually reduce your coffee intake.

What are the benefits of eating coffee beans?

High in antioxidants: Coffee beans are high in antioxidants, like chlorogenic acid, a class of health-promoting polyphenols, being the most prevalent. Chlorogenic acid may help to lower your diabetes risk and fight inflammation. It may also have cancer-fighting qualities, according to certain studies.

The level of antioxidants in coffee beans differs by bean type and roasting process.

High in caffeine: Caffeine is a stimulant found naturally in coffee. Eight coffee beans, on average, have the same dose of caffeine as a mug of coffee. Caffeine from whole beans is absorbed faster than caffeine from the liquid coffee.

Caffeine has several positive effects on the central nervous system and brain.   This substance, for example, can improve energy, attentiveness, mood, memory, and performance.

How many coffee beans can you safely eat?

Around 400mg (approximately 40 beans) is safe to eat daily.

The amount of coffee beans that you should eat is determined by the amount of caffeine in your system. Caffeine tolerance varies, but daily intakes up to 200 mg and regular consumption of up to 400 mg ( about 4 cups of coffee) are deemed safe for adults. Anything further than this could be harmful to your health.

Caffeine content in coffee beans usually depends on size, grade, and roasting time.

The caffeine content of Robusta coffee beans is often twice that of Arabica coffee beans.

A cocoa coffee bean typically contains roughly 12 mg of caffeine, along with the caffeine from the cocoa.

This means that individuals can have approximately 33 cocoa coffee beans without exceeding the acceptable caffeine intake. However, because these sweets may include a lot of calories, fat, and sugar, it’s recommended to keep them to a minimum.

Also, if you take caffeine through other meals, beverages, or medications, you may need to limit your coffee bean intake to avoid any negative side effects.

What is the best way to eat coffee beans?

  • Unbrewed coffee grounds can also be eaten by integrating them into baked items or nutrient-dense protein shakes.
  • It is also possible to consume unroasted coffee beans, however not everyone will appreciate the taste. Green beans are defined as having a grassy or woody flavor and being extremely acidic, with no caramelized characteristics that come from  roasting.  They’re also quite tough and difficult to chew.


In this brief guide, we answered the question, “Are coffee beans safe to eat?”. We discussed the potential health benefits and risks of eating coffee beans. We also looked at the best ways to eat coffee beans.

If you have any questions or comments, please let us know.


Hi, I am Charlotte, I love cooking and in my previous life, I was a chef. I bring some of my experience to the recipes on this hub and answer your food questions.