Menopause is a powerful transition, and while it’s completely natural, it often brings unwanted changes. Many women experience disrupted sleep, changes in mood, and shifting energy levels. As interest in natural wellness grows, one mushroom in particular continues to draw attention: Reishi (Ganoderma lingzhi).

Used for centuries in traditional wellness practices, reishi is known for its calming presence and overall support for stress resilience and immune balance. Today, science is beginning to explore how its unique compounds may help the body adapt to life’s transitions—including those that come with midlife.

In this blog, we’ll explore how reishi works, what the research shows, and how this bitter, woody mushroom can be a supportive addition to your wellness routine. While this article is written by someone who hasn’t experienced menopause personally, it’s informed by conversations with wise women and trusted sources.

Reishi (Ganoderma lingzhi) has earned the nickname “the Queen of Mushrooms," and for good reason. For centuries, this glossy, kidney-shaped fungus has been used in Eastern traditions to promote vitality, balance, and longevity. It’s not psychedelic. It’s not stimulating. It’s grounding. And for women navigating hormonal shifts, that calm, centering effect is part of its magic.

Reishi is classified as an adaptogen, a category of natural compounds known to help the body adapt to stress and restore homeostasis. For women entering perimenopause or menopause, adaptogens may offer support across several key systems: the nervous system, endocrine system, and immune system.

Importantly, reishi doesn’t “fix hormones.” It works more like a buffering system. When stress is high, sleep is fragmented, and moods swing wildly, reishi may help the body regulate more smoothly. Many people describe it as calming without being sedating, energizing without being stimulating. It offers a kind of physiological ease that becomes more valuable with age.

Its calming effects may be especially helpful for women who are wired but tired: running on stress hormones during the day, yet struggling to fall or stay asleep at night. In that sense, reishi’s supportive role is not just physical, but emotional and mental, too.

One of the most common complaints during perimenopause and menopause is poor sleep. Whether it’s trouble falling asleep, frequent night waking, or full-blown insomnia, sleep disruptions often begin in the late 40s, right when hormonal shifts are ramping up.

Sleep disruptions affect up to 45% of women during perimenopause, and rates increase with age. 
(Kravitz et al., 2023)

Multiple factors contribute to sleep difficulties in midlife, including:

• Declining estrogen and progesterone

  These hormones influence neurotransmitters involved in sleep regulation.

• Increased nighttime cortisol

  Stress hormones tend to rise as the nervous system becomes more dysregulated.

• Hot flashes and night sweats

  Fluctuating body temperature can wake women abruptly from sleep.

• Mood instability and anxiety

  Racing thoughts or restlessness make it harder to wind down.

Colloquially known as The Sleep Mushroom, reishi has been shown in early studies to support the body’s natural sleep-wake cycle through its interaction with the GABA system, a calming neurotransmitter pathway.

According to research:

• Compounds in Ganoderma lucidum may enhance GABAergic signaling, which helps quiet the nervous system and reduce sleep latency.

• May help the body respond more calmly to temperature fluctuations at night.

• In one animal study, reishi extract potentiated sleep induced by other sedatives, suggesting a synergistic calming effect.

  (Zhao et al., 2012)

While reishi is not a sedative, its adaptogenic and GABA-supportive effects may help create the internal conditions that allow deeper, more restorative sleep.

Menopause can feel like an endurance test. Especially when stress, anxiety, and emotional overwhelm start stacking up. Reishi is widely known for its ability to help regulate the body’s stress response through the hypothalamic-pituitary-adrenal (HPA) axis.

Here’s how it unfolds:

• Chronic stress raises cortisol, the body’s primary stress hormone.

• Over time, elevated cortisol can lead to fatigue, irritability, and further hormone disruption.

• This stress burden also affects blood sugar, metabolism, and sleep quality.

Reishi may support:

• Calmer mood regulation through its gentle impact on the nervous system

• Lower perceived stress by supporting balanced cortisol rhythms

• Greater emotional resilience during unpredictable hormonal swings

One study even found that ethanol extracts of reishi demonstrated estrogen-like activity, which could have implications for supporting hormonal balance in menopausal women.

(Chen et al., 2006)

Reishi doesn’t replace estrogen, but it may support the body’s internal systems that buffer stress and promote equilibrium. Reishi’s long history of use also includes support for immune balance, an important foundation during times of physiological transition.

Hormonal changes during menopause can influence everything from brain chemistry to blood sugar regulation. The result? Emotional ups and downs, stubborn weight gain, and lingering fatigue.

Mood during menopause can feel unpredictable. Fluctuating hormones, poor sleep, and accumulated stress can all contribute to:

• Irritability or anger

• Anxiety and nervousness

• Feelings of overwhelm or sadness

According to herbalist Robert Dale Rogers in The Fungal Pharmacy, reishi acts as a calmative adaptogen, which means it may:

• May ease nervous system tension

• Could reduce the impact of caffeine

• Supports emotional steadiness in high-stress states

Mood isn’t just emotional, it’s physiological. Reishi may help restore internal balance so you feel more grounded, rested, and clearheaded.

Metabolism slows during menopause. This can show up as:

• Unexpected weight gain

• Slower recovery from exercise

• Blood sugar instability

• Increased cholesterol or blood pressure

• Some women also experience changes to skin and hair texture, often tied to shifting hormones and reduced nutrient absorption.

Reishi’s broad-spectrum effects may support healthy metabolism through:

• Traditionally used to address mild hypertension, arrhythmia, and heart palpitations

• Shown in early studies to have anti-atherogenic (plaque-preventing) properties

• May improve circulation and oxygen utilization, especially in low-oxygen environments

• In a pilot study, reishi supplementation improved aerobic capacity in women with fibromyalgia

• Some users report improved stamina and recovery during physical activity

Metabolism is more than calorie burn, it includes how efficiently your cells produce energy, regulate hormones, and manage inflammation. Reishi may support each of these systems in subtle but meaningful ways.

Menopause may mark the end of one era, but it can also be the start of a powerful transformation. When supported well, it can become one of the most empowered seasons of your life. Reishi mushrooms for menopause offer gentle, multifaceted support for mood, sleep, stress, and metabolic health, making it a natural ally in your daily routine.

If you’re navigating menopause, or simply want to support your body with intention, reishi could be a wise addition to your wellness toolkit.

This article is part of our Mushrooms for Menopause series. Explore the rest below to discover how functional mushrooms can help you feel more balanced, energized, and clear-headed throughout this transition:

• Part 2: Lion’s Mane for Cognitive Support »

• Part 3: Cordyceps for Energy and Vitality »

At Hamilton’s, we craft our Reishi Rampart using real fruiting bodies, not filler. It’s precision dual-extracted to deliver the full spectrum of reishi’s active compounds.

✔ 100% mushroom, no grain or filler

✔ Trusted by herbalists and health practitioners

✔ Available in 100g, 200g, and 500g bags