Mushroom coffees: what do you think of this trend?

They look like coffee and promise to improve tone, concentration, mood and immunity, all with little caffeine: what are adaptogenic mushroom drinks worth?

“Mushroom coffees” are instant drinks containing coffee mixed with medicinal mushroom powders. To prepare a cup, it’s simple: just pour a tablespoon of powder, add water or milk (hot or cold, depending on your preferences), mix and it’s ready…

References
Historical

Grand View Research. Mushroom Coffee Market (2023 – 2030).
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Ern et al. Therapeutic properties of Inonotus obliquus (Chaga mushroom): A review. Mycology. 2023.
Szychowski et al. Inonotus obliquus – from folk medicine to clinical use. J Tradit Complement Med. 2020.
Tee et al. A review on the cultivation, bioactive compounds, health-promoting factors and clinical trials of medicinal mushrooms Taiwanofungus camphoratus, Inonotus obliquus and Tropicoporus linteus. Fungal Biol Biotechnol. 2024.
Jędrejko et al. Cordyceps militaris: An Overview of Its Chemical Constituents in Relation to Biological Activity. Food. 2021.
Ontawong et al. A randomized controlled clinical trial examining the effects of Cordyceps militaris beverage on the immune response in healthy adults. SciRep. 2024.
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Jin et al. Ganoderma lucidum (Reishi mushroom) for cancer treatment. Cochrane Database SystRev. 2012.
Zhao et al. Spore Powder of Ganoderma lucidum Improves Cancer-Related Fatigue in Breast Cancer Patients Undergoing Endocrine Therapy: A Pilot Clinical Trial. Evid Based Complement Alternat Med. 2012.
Collado Mateo et al. Ganoderma lucidum improves physical fitness in women with fibromyalgia. Nutr Hospital. 2015.
Kodama et al. Can Maitake MD-fraction help cancer patients? Alternative Medicine Review. 2002.
Gaullier et al. Supplementation with a soluble beta-glucan exported from shiitake mushroom medicinal, Lentinus edodes (Berk.) Singer mycelium: a crossover, placebo-controlled study in healthy elderly. International Journal of Medicinal Mushrooms. 2011.
Gillett. Mushroom drinks: more than questionable benefits. 60 million consumers. 2025.