Many of the mushrooms used in mushroom coffee have a long history of use as medicinal plants, and some boast a number of health benefits including immune system boosting, heart disease prevention and cancer support. However, there’s little evidence that the mushroom health claims carry over from whole mushrooms to ground mushroom extracts added to brewed coffee grounds. Plus, the coffee-mushroom blends often cost more than regular joe, which can add up over time.

Does mushroom coffee has caffeine in it, the mushroom extracts in mushroom coffee can come from varieties like reishi, lion’s mane, cordyceps, turkey tail and chaga. They are also rich in antioxidants that promote heart health and protect against inflammation. Some studies suggest that reishi may help prevent heart damage, while chaga has the potential to lower cholesterol and blood pressure levels, says Andrews.

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Other potential health effects include stress regulation, which is based on the belief that adaptogens such as mushrooms can balance cortisol levels (the body’s primary stress hormone) and promote relaxation. Some research has also suggested that chaga and reishi could be helpful in cancer prevention.

As for the caffeine in mushroom coffee, it varies, but on average, an 8-ounce cup contains about 50 milligrams, which is considerably less than the 80 to 100 milligrams found in a typical cup of regular joe. The low caffeine content can be a selling point for some people, especially those who are sensitive to the side effects of caffeine such as headaches, dehydration or anxiety.