Mushroom coffee combines ground coffee beans with mushrooms, such as reishi, lion’s mane, turkey tail and cordyceps, which are touted for their medicinal properties. The beverage is said to boost cognitive function and reduce feelings of stress and fatigue. Mushrooms are also known to support immune health and provide antioxidants.

How Much Caffeine Is in Mushroom Coffee? A Detailed Breakdown

How much caffeine is in mushroom coffee used in the brew contains a variety of compounds, including polyphenols and beta-glucans. However, few studies have been conducted to prove whether these herbs can improve health conditions like stress, chronic kidney disease or asthma. And since the immune-stimulating effects of some mushrooms can cause discomfort in those with autoimmune disorders, it’s important to speak with a doctor before consuming any type of mushroom product — including coffee — if you have pre-existing health issues or take medication, especially blood thinners or anti-depressants.

As for caffeine, although the amount varies by brand and brewing method, most mushroom coffees have less than half the caffeine found in a typical cup of brewed coffee. A cup of Ryze’s mushroom coffee, for example, has about 48 milligrams per serving — less than the 80 to 100 milligrams in an 8-ounce cup of regular joe. And some brands offer decaffeinated and caffein-free versions of their beverages.

The lower caffeine content of the brew can make it a good alternative for those who want to cut back on caffeine or have sensitivity to it. But it’s still important to avoid the brew if you have a history of kidney problems, digestion issues or a high intake of foods containing oxalates. Oxalates are natural substances that can stick to calcium and form kidney stones if you consume too much of them.