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A bottle of Real Mushrooms Lion's Mane Calm contains 90 capsules with Lion's Mane, Reishi, and L-theanine for calm clarity and balanced wellness.
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Comparison chart: "Real Mushrooms Organic Lion's Mane Extract Capsules for Pets" vs. other brands—compared on source, testing, extraction, transparency, and cost. Real Mushrooms offers organic supplements with high beta-glucans and superior quality.
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A brown bottle of Real Mushrooms Lion's Mane Calm shows supplement facts for capsules with organic Lion’s Mane, organic Reishi extract, and AlphaWave L-theanine for calm clarity on a blue label.
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Lion's Mane Calm

Rest & Relaxation

100% Satisfaction • Fast Free Shipping $75+ • Secure Checkout

Life doesn’t stop, even when your mind feels overloaded.


From daily stress to emotional strain, Lion’s Mane Calm is designed to support calm clarity and emotional steadiness as part of your everyday routine.

This Lion’s Mane–based formula combines organic Lion’s Mane mushroom extract with a clinically studied form of L-theanine to support a relaxed but alert state, plus a small amount of Reishi in a complementary role. Together, the formula is designed to support your nervous system and promote calm without sedation.

Lion’s Mane Calm is made for daily use, not as a quick fix, but as steady support to help you stay composed through the moments that matter.

  • 400 mg organic Lion’s Mane extract 
  • 200 mg AlphaWave® L-Theanine
  • 200 mg Reishi extract (fruiting body only)
  • Made with USDA-certified organic mushrooms
  • Non-drowsy, non-sedating, no fillers
  • Gluten-free, non-GMO, vegan
  • Third-party tested for purity, potency & safety
  • Manufactured in an NSF-certified facility in the USA
  • Supports calm clarity and emotional steadiness
  • Helps promote a relaxed but alert mental state without sedation
  • Supports resilience during periods of daily or occasional stress
  • Designed to support nervous system health over time
  • Helps you feel steady and composed throughout the day

Take 2 capsules daily, with or without food.

Lion’s Mane Calm is designed for consistent, everyday use as part of your daily mental wellness routine. Benefits tend to build gradually with regular use, supporting calm clarity and emotional steadiness over time.

For teens (ages 12+), 1 capsule daily may be considered. Please consult with a qualified healthcare practitioner before use.

Real Mushrooms products are always:

  • Rated the #1 Mushroom brand by ConsumerLab
  • Made from USDA Certified Organic Mushrooms
  • Verified for active compounds, safety, & purity through third-party testing
  • Purity-IQ verified for authenticity using nuclear magnetic resonance
  • Free of grains, starches, and fillers
  • Sourced from mushroom (fruiting bodies) only—never mycelium fermented grain
  • Produced in a Good Manufacturing Practices (GMP)-compliant facility

This is our Real Mushrooms Guarantee: no shortcuts, no gimmicks—just real mushrooms.

Real Ingredients

Woman with a bun in her hair, wearing a striped off-shoulder top, standing by a window.

The Brain, Nerve & Gut Support Mushroom

Often called the “smart mushroom,” Lion’s Mane is known for supporting mental clarity, memory, and overall cognitive wellness, especially with age. Its naturally occurring compounds, like hericenones and beta-glucans, have been studied for their role in nerve health and the body’s production of nerve growth factor (NGF).

Lion’s Mane is used in Traditional Chinese medicine for both brain and digestive support. Our Lion’s Mane mushroom supplement unites this ancient wisdom with modern science in one pure, potent formula.

A hand reaches for a capsule beside an open Real Mushrooms Daily Calm Trio bottle on a light surface.

Real Mushrooms, Not Filler

Most mushroom supplements fail because they’re made without mushrooms: they use mycelium fermented grain. Those products have few beneficial fungal compounds—they’re mostly starch.

We use 100% hot water-extracted mushrooms (fruiting body) to unlock the true full spectrum of beneficial compounds.

Mushrooms in plastic bags on a rack

Highest-Quality, Organic Ingredients

We partner with experienced mushroom growers using Di Dao 地道 (spiritual homeland) cultivation practices to harvest mushrooms in their geo-authentic environments. Our Lion’s Mane extract contains only the real mushroom, grown, extracted, and tested with integrity.

4-Time Winner

Best Mushroom Supplement Brand: ConsumerLab.com Survey

Trusted by wellness seekers and professionals alike, our mushroom supplements have earned the rating of Best Mushroom Supplement Products four years in a row by consumers in ConsumerLab.com Annual Supplement Survey.

†Ratings based on results of the 2025 ConsumerLab.com Survey of Supplement Users. More information.

Real People. Real Results.

★★★★★

"The brain fog from 2 bouts with Covid are in the past. I've been taking a daily boost of Lion's Mane and the fog has lifted. I'm so grateful for this powerful, natural addition to a healthy diet... what a difference it's making!"†

– Verified Customer

★★★★★

"I love mushrooms and they are packed with vitamins that are good for your body. I was happy to find Lions Mane. I find I am much more alert since taking it and it makes me feel good that I am taking something that I know is good for me."†

– Verified Customer

★★★★★

"Both my wife and I wanted some help with our memory as we were beginning to have some minor memory problems. When we found these "Real Mushrooms" and began using them, after awhile we noticed that we weren't quite as bad remembering certain names, dates, or memories we thought we had forgotten. We will continue on them as long as we can and recommend to anyone who will listen."†

– Verified Customer

Real Science

Real Mushrooms is built on 50+ years of mycological and mushroom growing expertise. Our founder’s roots trace back to the beginning of the functional mushroom category in North America. Today we continue to lead the industry in science-backed and effective mushroom supplements.

Every batch of 5-Defenders is lab-verified for beta-glucan content and free of unwanted fillers like starch or alpha-glucans from grain. This scientific transparency ensures that what’s on the label is exactly what’s in the bottle.

Real Quality

Why Beta-Glucans Matter

Beta-glucans are the primary active compounds in Lion's Mane mushrooms that support immune function.* Most mushroom products don’t list beta-glucan content, but we do.

Beta-Glucans indicate an authentic mushroom product versus myceliated grain products that contain high levels of starch (Alpha-Glucans) instead.

Real Mushrooms offer potency you can trust, in every capsule.

We use only 100% mushroom (fruiting body)—no grain, no mycelium, no fillers.

This product has received the Purity-IQ™ Authenticity Certification Program - a cutting-edge nuclear magnetic resonance technique that confirms we use the correct mushroom species and nothing else.

View our certification on Purity-IQ

Certified organic. Verified species identity. No shortcuts. Just clean, potent mushrooms—exactly as nature intended.

We partner with experienced mushroom growers using Di Dao 地道(spiritual homeland) cultivation practices to harvest mushrooms in their geo-authentic environments. Our mushroom Lion's Mane extract contains only the real mushroom—grown, extracted, and tested with integrity.

Bar chart showing customer survey results on product attributes with 'Quality' being the highest.

Real Mushrooms vs. Other Brands

Not all mushroom supplements are created equal. Real Mushrooms has set the standard for the most effective mushroom products because we have never compromised on quality. Here’s how Real Mushroom supplements compare with the other leading brands on the market.

  Real Mushrooms Other Brands
Mushroom Source 100% organic mushrooms (fruiting bodies) Mycelium fermented grain (starch) and fillers
Beta-Glucan Content Guaranteed beta-glucans — every batch third party tested for identity, purity and potency Typically low beta-glucans and not disclosed — may list total polysaccharides instead which includes any starches
Extraction Method Hot water extracted or dual extracted for potency & optimal absorption Improperly extracted or simply dried and ground
Filler-Free Guarantee No starch, no fillers, no mycelium fermented grain Commonly contains grain (rice, oats or sorghum), starch and/or maltodextrin
Transparency Full disclosure of ingredients, sourcing, testing and extraction Vague or misleading marketing and unclear labeling
Cost per Serving Cost-effective for active compounds concentration in every serving Very expensive for amount of active compounds present
Expertise 50+ years of mushroom cultivation expertise — leader in supplement industry quality & standards Mislead customers with ambiguous labeling and filler-heavy products

Take the guesswork out of your mushroom supplement.

Start enjoying real results now.

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Real mushrooms products on a kitchen counter
100% organic mushroom extracts
Verified beta-glucans
No grain fillers
50 years of experience
Wellness backed by 40,000+ customers

Frequently Asked Questions

Lion’s Mane CALM by Real Mushrooms® is a non-sedating formula designed to support calm clarity and emotional balance.

While Lion’s Mane provides long-term nervous system support, this formula includes AlphaWave® L-theanine and a touch of reishi, which helps deliver a more immediate sense of calm alertness.

Lion’s Mane CALM is designed not just for cognitive performance, but for calm clarity, emotional balance, and stress resilience.

Yes—this formula is designed to support both short-term and long-term effects:

  • L-theanine: In clinical research, effects on relaxation and calm mental state can be observed within about an hour
  • Lion’s Mane: Supports nervous system resilience over time

This makes the product both practically noticeable and cumulatively beneficial.

No. This is a key distinction.

L-theanine can act relatively quickly, but research shows it works best with consistent use over weeks, supporting ongoing calm and mental clarity.

Lion’s Mane reinforces this by supporting long-term nervous system function.

L-theanine was chosen because it supports:

  • Relaxation without sedation
  • A calm but alert mental state (often described as “calm clarity”)
  • Measurable changes in brainwave activity associated with relaxed focus

This aligns with modern demand for calm without mental fog.

No. This product is not a sedative.

It is designed to support calm alertness, similar to how practices like meditation promote relaxation while maintaining awareness.

Lion’s Mane supports long-term nervous system resilience, while L-theanine provides a more immediate calming effect.

Together, they create:

  • Faster perceived benefits
  • Deeper, cumulative support over time

This reflects the principle that combination formulas provide broader, more functional support than single ingredients.

This product is ideal for individuals who:

  • Want calm without drowsiness
  • Experience daily cognitive or emotional load
  • Are looking for a non-sedating alternative to traditional calming supplements

It is also particularly relevant for individuals navigating life-stage transitions associated with increased stress, cognitive load, and/or irritability and moodiness.

Lion’s Mane CALM is designed as a daily, long-term support formula:

  • L-theanine supports ongoing calm with continued use
  • Lion’s Mane provides cumulative nervous system support

This makes it suitable as part of a long-term wellness routine, not just occasional use.

Yes. Unlike traditional calming herbs or sleep aids, Lion’s Mane Calm supports calm clarity without causing drowsiness.

Yes, with guidance. L-theanine is well studied in adolescent populations. Two capsules daily may support focus, calm, and sleep in teens aged 12–17.

Yes. Lion’s Mane CALM pairs well with other Real Mushrooms® products. There are no safety issues with combining mushroom products; you can take any combination of Real Mushrooms® supplements tailored to your wellness goals.