Medicinal Mushrooms in 2026: New Human Research on Memory, Mood, Immune Function, and Cellular Health

Medicinal mushrooms have attracted growing scientific attention for their potential effects on brain function, immune health, and the body's ability to manage everyday stress. Although mushrooms such as lion's mane, reishi, cordyceps, and maitake have been used for centuries, researchers are now investigating their effects through modern human clinical trials. Several studies published in 2026 have provided new insight into how these mushrooms may influence cognitive performance, sleep quality, emotional well-being, and immune responses.

These discoveries are particularly relevant to Healthmasters' Super Mushroom Complex, which combines eight functional mushrooms with naturally occurring beta-glucans and L-ergothioneine, a specialized antioxidant found in mushrooms. Its formulation provides lion's mane, reishi, cordyceps, maitake, shiitake, chaga, turkey tail, and Agaricus blazei, bringing together compounds associated with several biological functions.

Recent research has examined these mushrooms using measurable outcomes rather than relying exclusively on traditional use. In October 2026, a randomized clinical trial involving 109 adults found that lion's mane supplementation improved certain measurements of attention, working memory, sleep quality, and mood [1]. Another study published that month investigated a combination of lion's mane and reishi, reporting encouraging findings involving anxiety and emotional well-being [2].

Additional 2026 research has examined maitake's effects on immune function and cordyceps' influence on mental performance during physical exertion [3] [4]. Together, these findings provide an increasingly detailed picture of how medicinal mushrooms may support different aspects of health.

Lion's Mane: New Research on Memory, Attention, and Sleep

Lion's mane, scientifically known as Hericium erinaceus, is one of the most extensively investigated medicinal mushrooms for cognitive health. Its distinctive appearance resembles a cluster of white, flowing strands, but its biological compounds have attracted attention for more than its unusual appearance. Researchers have identified substances in lion's mane that may influence pathways associated with nerve-cell maintenance and communication, including processes involving nerve growth factor and brain-derived neurotrophic factor [5].

A randomized, double-blind, placebo-controlled trial accepted in October 2026 examined the effects of lion's mane supplementation in 109 adults between the ages of 40 and 75. Participants reported experiencing difficulties with memory, attention, or other aspects of cognitive performance. Over eight weeks, one group received 2 grams of lion's mane daily, while the other received a placebo. Researchers measured cognitive performance using computerized assessments and collected information about sleep and overall well-being [1].

The findings showed that participants receiving lion's mane experienced greater improvements in a computerized task involving visual attention and working memory. They also reported improvements in subjective sleep quality, feeling more rested in the morning, and mood compared with participants receiving placebo. Although the cognitive effects were modest, the results suggest that lion's mane may influence several aspects of everyday mental performance [1].

These findings provide a timely connection to Healthmasters' Super Mushroom Complex, which includes 125 mg of lion's mane per serving alongside seven additional mushrooms. The combination allows individuals interested in functional mushrooms to incorporate lion's mane as part of a broader nutritional formula.

New Findings on Lion's Mane and Brain Growth Factors

Another 2026 study investigated whether lion's mane supplementation could influence brain-derived neurotrophic factor, commonly called BDNF. This protein participates in processes involving nerve-cell survival, learning, and the formation of connections between neurons, making it an important subject in cognitive aging research.

Published in September 2026, the pilot investigation involved 10 healthy adults who consumed 2 grams of lion's mane daily for four weeks. Researchers measured executive function, attention, and circulating BDNF levels before and after supplementation. Although the changes did not reach statistical significance, the investigators observed modest numerical improvements in cognitive measurements and BDNF concentrations [5].

The results help explain why researchers continue investigating lion's mane in larger clinical trials. While the study was too small to establish a clear clinical benefit, it contributes to the broader investigation of how compounds found in medicinal mushrooms may influence cognitive processes.

Healthmasters' Super Mushroom Complex incorporates lion's mane alongside reishi and other mushrooms that have been studied for different biological functions. This combination reflects growing scientific interest in nutritional approaches that address more than one aspect of healthy aging.

Lion's Mane and Reishi: A New Study on Stress and Emotional Well-Being

Mental performance is influenced by more than memory alone. Stress, sleep quality, and emotional well-being can all affect concentration, decision-making, and how effectively people manage daily responsibilities.

A randomized clinical trial published on October 20, 2026, examined whether lion's mane alone or a combination of lion's mane and reishi could influence stress-related measurements in young women. Researchers recruited 84 participants between the ages of 18 and 26 who reported experiencing stress or anxiety. Participants received either 1.8 grams of lion's mane, a 1.8-gram blend containing lion's mane and reishi, or placebo for 28 days [2].

The researchers found that participants receiving the mushroom blend had lower anxiety scores on the study's primary measurement compared with those receiving lion's mane alone. Additional assessments suggested possible improvements in other measures of stress and emotional well-being, although these secondary findings were less conclusive. All groups experienced improvements on several measures, making further investigation necessary to determine the size and consistency of the treatment effects [2].

The findings are interesting because they suggest that combining different mushroom species may produce effects worth investigating beyond those of individual mushrooms.

Healthmasters' Super Mushroom Complex contains both lion's mane and a reishi blend, which includes Ganoderma lucidum, Ganoderma applanatum, and Ganoderma tsugae. By incorporating these mushrooms into the same formula, Healthmasters provides access to several compounds that researchers are investigating for their roles in cognitive and emotional health.

Maitake: New 2026 Evidence on Immune Function

While lion's mane has received considerable attention for brain health, maitake mushrooms have become an important subject in immune-system research.

Maitake, scientifically known as Grifola frondosa, contains complex carbohydrates known as polysaccharides, including beta-glucans. These compounds can interact with components of the immune system involved in recognizing and responding to biological challenges.

A randomized, double-blind, placebo-controlled trial published in September 2026 examined maitake supplementation in healthy younger adults and middle-aged to older adults. Participants consumed bread containing one of two maitake strains or placebo daily for periods ranging from 11 to 18 weeks, depending on their age group [3].

Researchers evaluated respiratory symptoms and several measurements of immune activity. Although the overall number of upper respiratory infections did not differ significantly between groups, participants receiving one particular maitake strain experienced fewer cumulative days with certain symptoms, including fever and runny nose. In older participants, researchers also observed changes in immune-cell activity and genes involved in antiviral responses [3].

These findings suggest that specific maitake preparations may influence how the immune system responds to everyday challenges. The differences between the two tested strains are particularly interesting because they demonstrate that the biological activity of mushrooms can depend on the exact variety and preparation studied.

Healthmasters includes 125 mg of maitake in Super Mushroom Complex, providing this mushroom alongside other species traditionally associated with immune health.

Beta-Glucans: How Medicinal Mushrooms Communicate With the Immune System

One of the most important characteristics of medicinal mushrooms is their beta-glucan content. Beta-glucans are naturally occurring carbohydrates found in the cell walls of mushrooms and certain other organisms. Their structures vary depending on their source, and these structural differences influence how they interact with the immune system.

Researchers have found that certain mushroom beta-glucans can interact with immune-cell receptors, including one called Dectin-1. These interactions activate signaling pathways involved in normal immune recognition and communication. A comprehensive review published in September 2026 discussed these mechanisms and emphasized that different mushroom preparations may produce different biological effects [6].

Human clinical research has also investigated beta-glucans directly. In a randomized, double-blind, placebo-controlled trial published in 2023, healthy adults received beta-glucans derived from reishi mushrooms for 84 days. Researchers reported changes in several immune measurements, including T-cell populations, natural killer cells, and immunoglobulin A levels compared with placebo [7].

These findings provide a biological explanation for why mushroom beta-glucans have become an important ingredient in immune-support formulations.

Healthmasters' Super Mushroom Complex provides 160 mg of beta-glucans per two-capsule serving, representing 16% of its 1,000 mg mushroom blend. This quantified amount is an important feature because it identifies a class of compounds associated with mushroom immune activity rather than relying exclusively on the total weight of the mushroom ingredients.

The formula also includes reishi, shiitake, turkey tail, and Agaricus blazei, mushrooms that contain various polysaccharides investigated for their interactions with immune cells. Together, these ingredients provide a broad nutritional approach to supporting normal immune function.

Cordyceps: New Research on Reaction Time and Physical Performance

Cordyceps mushrooms have traditionally been associated with vitality, stamina, and physical performance. Modern research has examined whether certain cordyceps preparations influence oxygen consumption, energy metabolism, and mental performance during exercise.

In July 2026, researchers published a randomized, double-blind, placebo-controlled crossover trial involving 12 recreationally active young men. Participants received either 1 gram of Cordyceps militaris extract or placebo approximately 30 minutes before completing a cycling test to exhaustion [4].

Researchers measured reaction time, cognitive accuracy, oxygen consumption, and several cardiovascular measurements. Participants receiving cordyceps demonstrated faster reaction times during a cognitive test administered after exercise compared with placebo. The supplement also increased resting oxygen consumption, although it did not significantly improve peak oxygen consumption or produce a greater change in reaction time from before to after exercise [4].

The study was relatively small, but it provides an interesting foundation for further research into cordyceps and mental performance under physical stress.

Healthmasters' Super Mushroom Complex contains a 125 mg cordyceps blend, incorporating Cordyceps militaris and Cordyceps sinensis. This provides another functional mushroom with a distinct research focus, complementing the formula's ingredients associated with brain and immune health.

L-Ergothioneine: A Specialized Antioxidant for Cellular Health

Another distinguishing feature of Healthmasters' Super Mushroom Complex is its inclusion of L-ergothioneine.

Ergothioneine is a naturally occurring compound produced by certain fungi and bacteria. Mushrooms are among its richest dietary sources, and researchers have become increasingly interested in its antioxidant properties and potential role in maintaining healthy cells.

A comprehensive scientific review published in September 2026 examined ergothioneine's absorption, distribution, and biological functions. Unlike many dietary antioxidants, ergothioneine is transported into cells through a specialized protein called OCTN1. This transport system helps explain how the compound can accumulate in certain tissues and participate in biological processes associated with oxidative stress, inflammation, and cellular metabolism [8].

Oxidative stress develops when the production of reactive molecules exceeds the body's normal antioxidant defenses. Although these molecules are produced naturally during metabolism, excessive oxidative activity can contribute to cellular damage over time. Laboratory research suggests that ergothioneine may help protect cellular components through several antioxidant-related mechanisms [8].

Human research has also begun examining its potential effects on cognitive aging. In a randomized pilot trial published in 2024, 19 older adults with mild cognitive impairment received either ergothioneine or placebo for one year. Participants receiving ergothioneine demonstrated improvements in certain learning measurements and more stable levels of a blood marker associated with nerve-cell injury [9].

Although the study was small, the results provide an interesting direction for future research into ergothioneine and healthy brain aging.

Healthmasters' Super Mushroom Complex includes 15 mg of L-ergothioneine as MitoPrime per serving, providing this specialized compound in addition to the mushroom blend and its naturally occurring beta-glucans.

Why Combining Multiple Mushrooms Is an Interesting Nutritional Approach

The growing number of human studies demonstrates that different medicinal mushrooms are being investigated for different health-related outcomes. Lion's mane has attracted attention for cognitive performance and sleep, reishi for immune activity and emotional well-being, maitake for immune responses, and cordyceps for certain aspects of physical and mental performance.

Other mushrooms in Healthmasters' formula, including chaga, shiitake, turkey tail, and Agaricus blazei, contribute additional naturally occurring compounds that have been studied for antioxidant activity, immune signaling, and cellular health. Much of the evidence for these additional species remains experimental or comes from studies using specialized preparations, but they broaden the biological composition of the formula [6].

Healthmasters' Super Mushroom Complex brings all eight species together in a two-capsule serving, providing 125 mg of each mushroom, 160 mg of beta-glucans within the blend, and an additional 15 mg of L-ergothioneine.

An important point when comparing the product with clinical research is that study doses and formulations vary. For example, the recent lion's mane trial used 2 grams of a specific mushroom preparation, while Super Mushroom Complex provides 125 mg of lion's mane within a broader blend. Likewise, researchers studying cordyceps and reishi have used preparations that differ from those found in multi-mushroom formulas. These studies help explain the potential benefits associated with individual ingredients, although identical results cannot automatically be assumed for different amounts or combinations.

This distinction makes the research especially valuable for understanding the ingredients rather than treating every published result as a direct test of the finished supplement.

Conclusion

Research published throughout 2026 has expanded scientific interest in medicinal mushrooms, particularly their potential relationships with memory, attention, sleep quality, emotional well-being, immune function, and cellular health.

Recent randomized trials have reported encouraging findings involving lion's mane, reishi, maitake, and cordyceps, while research on beta-glucans and L-ergothioneine continues to reveal how mushroom compounds interact with important biological processes [1–4,6,8].

Healthmasters' Super Mushroom Complex combines eight functional mushrooms with a quantified amount of beta-glucans and added L-ergothioneine, providing a convenient way to incorporate a diverse range of mushroom-derived compounds into a daily nutritional routine.

As scientists continue examining these ingredients through larger human clinical trials, medicinal mushrooms remain an increasingly interesting area of nutritional research, particularly for individuals interested in supporting healthy aging, cognitive function, and normal immune responses.

References

[1] Grant, A. G., Daoust, J., Farrar, S., Erfe Krupa, M. C., Oliver, P. L., Luna, V., Moos, J., & Craft, N. (2026). A randomized, double-blind, placebo-controlled study evaluating the impact of Hericium erinaceus (Lion's Mane) on cognitive performance and wellbeing. Frontiers in Nutrition, 13. https://doi.org/10.3389/fnut.2026.1904820

[2] Smith, E. F., & Docherty, S. (2026). The effects of four-week supplementation of Lion's mane and a Lion's mane and Reishi blend on prioritised mood and wellbeing measures in young women. Frontiers in Nutrition, 13, 1887408. https://doi.org/10.3389/fnut.2026.1887408

[3] Masuda, Y., Nakayama, Y., Shimizu, R., Jogi, E. M., Kato, M. C., Yamasaki, K., Aoki, R., Hashimoto, M., Ohno, M., Ohata, S., Kato, S., & Konishi, M. (2026). Maitake mushroom supplementation modulates upper respiratory symptoms and immune responses in healthy adults: A randomized, double-blind, placebo-controlled trial. Food & Function, 17(18), 8114–8126. https://doi.org/10.1039/D6FO01593J

[4] Farzan, H., & Koushkie Jahromi, M. (2026). Acute Cordyceps militaris supplementation and elevated resting oxygen uptake with faster reaction times: A randomized crossover trial. PLOS ONE, 21(7), e0351725. https://doi.org/10.1371/journal.pone.0351725

[5] Evans, C., Kalman, D., Goodrich, J., Burgess, V., Tartar, J. L., Jiannine, L., et al. (2026). A pilot proof-of-concept study to evaluate the physiological and cognitive impacts of Hericium erinaceus on healthy adults. Nutrients, 18(19), 3177. https://doi.org/10.3390/nu18193177

[6] Izah, S. C., Aseibai, E. R., Dunga, K. E., Ogwu, M. C., Promise, V. I., Etim, N. G., & Ohanusi, I. N. (2026). Mushroom-derived polysaccharides in cancer immunotherapy: Mechanisms, human evidence, and translational priorities. Frontiers in Oncology, 16, 1955408. https://doi.org/10.3389/fonc.2026.1955408

[7] Chen, S.-N., Nan, F.-H., Liu, M.-W., Yang, M.-F., Chang, Y.-C., & Chen, S. (2023). Evaluation of immune modulation by β-1,3; 1,6 D-glucan derived from Ganoderma lucidum in healthy adult volunteers, a randomized controlled trial. Foods, 12(3), 659. https://doi.org/10.3390/foods12030659

[8] Yi, G., Yao, D., Dong, C., Tu, X., Liao, G., Long, M., & Xie, Y. (2026). Ergothioneine: Biosynthesis, molecular mechanisms, physiological function, and role in disease. MedComm, 7(9), e70947. https://doi.org/10.1002/mco2.70947

[9] Yau, Y. F., Cheah, I. K., Mahendran, R., Tang, R. M. Y., Chua, R. Y., Goh, R. E. S., Feng, L., Li, J., Kua, E. H., Chen, C., & Halliwell, B. (2024). Investigating the efficacy of ergothioneine to delay cognitive decline in mild cognitively impaired subjects: A pilot study. Journal of Alzheimer's Disease, 102(3), 841–854. https://doi.org/10.1177/13872877241291253

*The matters discussed in this article are for informational purposes only and not medical advice. Please consult your healthcare practitioner on the matters discussed herein.

*These statements have not been evaluated by the Food and Drug Administration. Healthmasters' products are not intended to diagnose, treat, cure, or prevent any disease.