20 Best Now Reishi Mushroom [2024]

Are you looking for the best Now Reishi Mushroom? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling Now Reishi Mushroom.

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1 NOW Supplements, Rei-Shi Mushrooms 270 mg, Reishi/Shiitake Blend, Super Mushrooms, 100 Veg Capsules NOW Supplements, Rei-Shi Mushrooms 270 mg, Reishi/Shiitake Blend, Super Mushrooms, 100 Veg Capsules
2 Now Foods Rei-shi Mushrooms 270mg  100 Vcaps Now Foods Rei-shi Mushrooms 270mg  100 Vcaps
3 Reishi Mushroom Capsules (4:1 Ganoderma Extract, 1,000mg Reishi Powder Servings) 300 Count, 5 Month... Reishi Mushroom Capsules (4:1 Ganoderma Extract, 1,000mg Reishi Powder Servings) 300 Count, 5...
4 Host Defense, Reishi Capsules, Supports General Wellness and Vitality, Daily Mushroom Mycelium... Host Defense, Reishi Capsules, Supports General Wellness and Vitality, Daily Mushroom Mycelium...
5 Reishi Mushroom Extract 3600 mg 200 Veggie Caps (Vegan, Non-GMO & Gluten-Free) Reishi Mushroom Extract 3600 mg 200 Veggie Caps (Vegan, Non-GMO & Gluten-Free)
6 NutriFlair Mushroom Supplement 2600mg - 90 Capsules - 10 Mushrooms Blend - Reishi, Lions Mane,... NutriFlair Mushroom Supplement 2600mg - 90 Capsules - 10 Mushrooms Blend - Reishi, Lions Mane,...
7 Anthony's Organic Red Reishi Mushroom Extract Powder, 6 oz, 4to1 Extract, Gluten Free, Non GMO Anthony's Organic Red Reishi Mushroom Extract Powder, 6 oz, 4to1 Extract, Gluten Free, Non GMO
8 KOS Organic Red Reishi Mushroom Capsules 1500mg - Pure Ganoderma Lucidum (10:1 Reishi Extract) -... KOS Organic Red Reishi Mushroom Capsules 1500mg - Pure Ganoderma Lucidum (10:1 Reishi Extract) -...
9 Reishi Extract Mushroom Supplements - Capsules for Longevity - Non-GMO Reishi Capsules for Improved... Reishi Extract Mushroom Supplements - Capsules for Longevity - Non-GMO Reishi Capsules for...
10 Healing Mushrooms: A Practical and Culinary Guide to Using Mushrooms for Whole Body Health Healing Mushrooms: A Practical and Culinary Guide to Using Mushrooms for Whole Body Health
11 FreshCap, Ultimate Mushroom Complex (Thrive 6) - Lion's Mane, Reishi, Cordyceps, Chaga, Turkey Tail,... FreshCap, Ultimate Mushroom Complex (Thrive 6) - Lion's Mane, Reishi, Cordyceps, Chaga, Turkey...
12 Christopher Hobbs's Medicinal Mushrooms: The Essential Guide: Boost Immunity, Improve Memory, Fight... Christopher Hobbs's Medicinal Mushrooms: The Essential Guide: Boost Immunity, Improve Memory,...
13 Back to the Roots Organic Mini Mushroom Grow Kit, Harvest Gourmet Oyster Mushrooms In 10 days, Top... Back to the Roots Organic Mini Mushroom Grow Kit, Harvest Gourmet Oyster Mushrooms In 10...
14 FreshCap Organic Reishi Mushroom Supplement Powder for Healthy Aging, Sleep, and Immunity | 60 Gram... FreshCap Organic Reishi Mushroom Supplement Powder for Healthy Aging, Sleep, and Immunity | 60...
15 Real Mushroom Reishi Mushroom Powder for Longevity (45 Servings) Vegan, Organic, Non-GMO Reishi... Real Mushroom Reishi Mushroom Powder for Longevity (45 Servings) Vegan, Organic, Non-GMO Reishi...
16 Sustainably US Grown, Organic Reishi Mushroom Powder, 8 Ounce, Pure Reishi Supplement 100:1 Extract,... Sustainably US Grown, Organic Reishi Mushroom Powder, 8 Ounce, Pure Reishi Supplement 100:1...
17 Vita Green Reishi Mushroom Lingzhi, 100% Natural Pure Antioxidant Fungus Extract for Energy Immune... Vita Green Reishi Mushroom Lingzhi, 100% Natural Pure Antioxidant Fungus Extract for Energy...
18 Genius Mushroom – Lions Mane, Cordyceps and Reishi – Immune System Booster & Nootropic Brain... Genius Mushroom – Lions Mane, Cordyceps and Reishi – Immune System Booster & Nootropic Brain...
19 Boostceuticals Reishi Mushroom Capsules Vegan No Stearates Ganoderma Lucidum Supplement (50 Days... Boostceuticals Reishi Mushroom Capsules Vegan No Stearates Ganoderma Lucidum Supplement (50 Days...
20 Ultimate Reishi Mushroom Formula by Mehdi Reishi – 30 Servings – 100% Pure, Premium and Organic... Ultimate Reishi Mushroom Formula by Mehdi Reishi – 30 Servings – 100% Pure, Premium and...
SaleBestseller No. 1
NOW Supplements, Rei-Shi Mushrooms 270 mg, Reishi/Shiitake Blend, Super Mushrooms, 100 Veg Capsules
  • REISHI/SHITAKE BLEND: NOW Rei-Shi Mushrooms is a blend of reishi (also known as ling zhi) and shiitake mushrooms
  • HERBALISM: Reishi and shiitake are both well known in oriental herbalism and have been used to promote health and wellness for centuries
  • SUPER MUSHROOMS: In more recent years, researchers have identified key bioactive polysaccharides that may contribute to the health supporting...
  • GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our...
  • Packaged in the USA by a family owned and operated company since 1968
SaleBestseller No. 2
Now Foods Rei-shi Mushrooms 270mg  100 Vcaps
  • Rei-shi mushrooms 270mg  100 vcaps by now foods
  • NOWSUPPVitamin-Herbs- 100CAPS
  • Now foods product upc: 733739047335
Bestseller No. 3
Reishi Mushroom Capsules (4:1 Ganoderma Extract, 1,000mg Reishi Powder Servings) 300 Count, 5 Month...
  • Manufactured in the USA, Vegan Friendly, Gluten Free, Non Gmo; Double Wood's Reishi Mushroom Extract is Manufactured in the USA, Vegan Safe, Non Gmo,...
  • 150 Day Supply; Our product contains a whopping 300 capsules and 1,000mg servings (4,000mg Powder Equivalents) to last you nearly 1/2 of an entire...
  • 1,000mg of 4 to 1 Reishi Extract; Double Wood's Reishi Extract is a 4 to 1 extract meaning 1,000mg of Double Wood's extract is the equivalent to...
  • Entire Fruiting Body and Mycelium Included; DoubleWood Supplement's Reishi Mushroom Extract includes the entire fruiting body and mycelium parts of...
  • Immune System Support; Reishi mushroom extract can help support your immune system by affecting the genes in white blood cells
SaleBestseller No. 4
Host Defense, Reishi Capsules, Supports General Wellness and Vitality, Daily Mushroom Mycelium...
  • THE IMMORTALITY MUSHROOM: Reishi's legacy spans centuries, earning it global recognition as a nutraceutical mushroom species that supports longevity,...
  • CELLULAR NUTRIENTS: Activated, freeze-dried mushroom mycelium with a full spectrum of constituents, including polysaccharides, glycoproteins,...
  • DAILY SUPPORT: As a dietary supplement, take 2 capsules once per day, with food or on an empty stomach or as recommended by your healthcare advisor
  • CONVENIENT, ONE-A-DAY: Simple and convenient, our vegetarian capsules are an excellent daily source of mushroom mycelium
  • SAFE, SMART INGREDIENTS: Sustainably cultivated, certified organic and US grown mushrooms from the forest, to our farm, to you
Bestseller No. 5
Reishi Mushroom Extract 3600 mg 200 Veggie Caps (Vegan, Non-GMO & Gluten-Free)
  • General Wellness Support *
  • Extra Strength: Reishi mushroom 3,600 mg equivalent per serving. A 4:1 Extract. Serving size is 2 veggie capsules. Max Supply (200 Capsules Per Bottle...
  • Advanced and superior formulation using high-quality sourcing and innovation.
  • Our formulations are crafted with high quality, clean and non-GMO ingredients and care for the customers' wellness.
  • Manufactured in the USA in a cGMP registered facility with the highest standards.
SaleBestseller No. 6
NutriFlair Mushroom Supplement 2600mg - 90 Capsules - 10 Mushrooms Blend - Reishi, Lions Mane,...
  • 10 Powerful Mushroom Blend 2600 Mg - NutriFlair Mushroom Supplement features 10 types of mushroom - Cordyceps, Reishi, Lion's Mane, Chaga, Turkey...
  • ✔ Supports Healthy Immunity ✔ Promotes Focus, Clarity, Memory, Heart Health - Do you find yourself easily falling ill or catching a cold? Our...
  • Top Quality, Vegan, Non-GMO, Gluten free - Our professionally formulated natural mushroom pills, are made with 100% Natural, Vegan, Non-gmo,...
  • Tested & Trusted Ingredients: NutriFlair soy-free, gluten-free and dairy-free, mushroom complex formula is manufactured in the USA, in a duly...
  • Trusted Brand - Satisfaction Assured: If our Mushroom capsules do not bring noticeable value to you and you don't absolutely love them, your purchase...
Bestseller No. 7
Anthony's Organic Red Reishi Mushroom Extract Powder, 6 oz, 4to1 Extract, Gluten Free, Non GMO
  • USDA Organic Red Reishi Mushroom Powder
  • 4:1 Extract with a minimum of 30% polysaccharide content (beta glucans)
  • Batch Tested and Verified Gluten Free
  • Non-GMO, Vegan Friendly, Packed in USA
  • Reishi Mushroom Powder is best brewed as a tea. It can also be mixed into coffee and shakes, or added to broths and soups to mask its natural bitter...
Bestseller No. 8
KOS Organic Red Reishi Mushroom Capsules 1500mg - Pure Ganoderma Lucidum (10:1 Reishi Extract) -...
  • Reishi Extract: We use a dual extraction method (hot water & alcohol) to ensure maximum potency. Our reishi powder has an average beta-glucan...
  • Immunity Support: We could all use an immunity booster, right? This powerful mushroom supplement may help boost your immune system to fight off...
  • Mood Booster: Not only an immune booster, reishi mushrooms fall in the adaptogen family, which includes lions mane and chaga mushrooms. They support...
  • Healthy Heart: Start the day with an organic reishi mushroom capsule or put reishi mushroom powder in reishi mushroom coffee or reishi mushroom tea to...
  • Premium Quality: Our red reishi is processed in a GMP & NSF certified facility. Each batch is also lab tested by a Verified Third Party to ensure...
SaleBestseller No. 9
Reishi Extract Mushroom Supplements - Capsules for Longevity - Non-GMO Reishi Capsules for Improved...
  • Reishi Mushroom Capsules for Longevity & Relaxation: Made only from 100% real mushrooms, the Reishi Mushroom supplement is the ultimate natural...
  • 100% Real Reishi Mushroom: Unlike most mushroom supplement brands in the market that use mycelium (mushroom’s root system grown on grain), our...
  • Measured Beta-glucans: Beta-glucans are the main active beneficial compound in mushrooms that help to support our immune defenses and white blood...
  • 45 Days of Quality Reishi Mushrooms: Good for more than 1 month, each pack of our reishi mushroom powder supplement is manufactured in the USA in...
  • Value Beyond a Bottle: Real Mushrooms doesn’t just pride itself in creating quality mushroom supplements to rival those using fillers and added...
SaleBestseller No. 10
Healing Mushrooms: A Practical and Culinary Guide to Using Mushrooms for Whole Body Health
  • Isokauppila, Tero (Author)
  • English (Publication Language)
  • 224 Pages - 10/10/2017 (Publication Date) - Avery (Publisher)
Bestseller No. 11
FreshCap, Ultimate Mushroom Complex (Thrive 6) - Lion's Mane, Reishi, Cordyceps, Chaga, Turkey Tail,...
  • Organic and Powerful: Our mushroom supplements are 100% natural, CCOF Certified Organic, Non-GMO, Gluten Free, Vegan and Paleo friendly. Cultivated...
  • Tested and Verified Mushrooms: FreshCap Ultimate Mushroom Complex contains potent extracts of 6 powerful mushrooms: Lions Mane, Reishi, Chaga,...
  • Why You Need Mushrooms: Taking a mushroom supplement can improve your focus and mental clarity* (Lions Mane), boost your immune system* (Maitake,...
  • Easy To Use: Our capsules are easy to use, and can be taken with you anywhere you go. We use no other ingredients or fillers. Our capsules are made...
  • Your Satisfaction Guaranteed 100%: We want you to feel amazing and be happy. If for any reason you are unsatisfied with a FreshCap Mushrooms product,...
Bestseller No. 12
Christopher Hobbs's Medicinal Mushrooms: The Essential Guide: Boost Immunity, Improve Memory, Fight...
  • Amazon Kindle Edition
  • Hobbs L.Ac., AHG, Christopher (Author)
  • English (Publication Language)
  • 270 Pages - 03/30/2021 (Publication Date) - Storey Publishing, LLC (Publisher)
SaleBestseller No. 13
Back to the Roots Organic Mini Mushroom Grow Kit, Harvest Gourmet Oyster Mushrooms In 10 days, Top...
  • 100% ORGANIC AND NON-GMO: There's no need to worry about intoxicants that may hinder your plant's growth because the Back to the Roots Mushroom...
  • GROW YOUR PLANT ALL YEAR-ROUND: This organic mushroom indoor kit allows you to grow your own crop all-year round; Just place the box near a window...
  • CONVENIENT AND EASY: Mushrooms are one of the easiest to grow indoors; All you need to do is open, spray daily with the included mister, and in 10...
  • THE PERFECT GIFT: The perfect holiday gift, it comes in a beautiful packaging so that it's ready to be given to foodie, garden-loving and...
  • GUARANTEED TO GROW: Made in the USA and 100% Guaranteed to grow. If you are not satisfied, simply message us and we will send you a Back To The Roots...
Bestseller No. 14
FreshCap Organic Reishi Mushroom Supplement Powder for Healthy Aging, Sleep, and Immunity | 60 Gram...
  • REISHI MUSHROOM SUPPLEMENT FOR LONGEVITY: Made from premium organic Reishi Mushroom (Ganoderma lucidum) fruit body and spore powder. Our Reishi...
  • TESTED AND VERIFIED EXTRACTS (INSANELY HIGH QUALITY): FreshCap Reishi contains a guaranteed minimum 27% beta glucan and 1.4% triterpene content. Dual...
  • WHY YOU NEED MUSHROOMS: Reishi is the ultimate natural supplement for immune defense, longevity, healthy aging, allergy support, sleep support, and...
  • EASY TO USE: 60 grams is a 2 month supply at the recommended serving size. Easily add to coffee, smoothies, or other foods. Our manufacturing process...
  • YOUR HAPPINESS GUARANTEED 100%: We want you to feel amazing and be happy. All our products are backed by our rock-solid 100% customer happiness...
Bestseller No. 15
Real Mushroom Reishi Mushroom Powder for Longevity (45 Servings) Vegan, Organic, Non-GMO Reishi...
  • Reishi Mushroom Extract for Longevity & Relaxation: Made only from 100% organic mushrooms, the Reishi Mushroom supplement is the ultimate natural...
  • 100% Pure Reishi Mushroom: Unlike most mushroom supplement brands in the market that use mycelium (mushroom root system grown on grain), our products...
  • Measured Beta-glucans: Beta-glucans are the main active beneficial compound in mushrooms which help to support our immune defenses and white blood...
  • 45 Days of Quality Reishi Mushrooms: Good for more than 1 month, each pack of our reishi mushroom powder supplement is manufactured in the USA in...
  • Value Beyond the Product: Real Mushrooms doesn’t just pride itself in creating quality mushroom supplements to rival those using fillers and added...
Bestseller No. 16
Sustainably US Grown, Organic Reishi Mushroom Powder, 8 Ounce, Pure Reishi Supplement 100:1 Extract,...
  • Sustainably US Grown, Organic Reishi Mushroom Extract 100:1 Powder with 30% Polysaccharides, 8 Ounce, Reishi Mushroom Powder Organic, No GMOs and...
  • Strongly Support Longevity, Cardiovascular System, Energy, Endurance, Stamina and Stress Relief, Premium Reishi Extract for Reishi Tea and Reishi...
  • No GMOs, No Additives, No Preservatives, No Fillers, No Artificial Colors and No Gluten.
  • Scoop included to get the measurement every time. Take it daily with or between meals by adding it to a shake or smoothie, see what the most nutrient...
  • Powder lover? Take it naturally in powder for higher concentration, quicker absorption, easier on the stomach, and more ways to have fun!
Bestseller No. 17
Vita Green Reishi Mushroom Lingzhi, 100% Natural Pure Antioxidant Fungus Extract for Energy Immune...
  • DOCTOR RECOMMENDED – Vita Green's exclusive potent 10:1 extracted reishi formula is recommended and approved by doctors. 5+1 types of mushroom...
  • SUPPORT IMMUNE SYSTEM & HEALTHY AGING – Our reishi capsule is a strong support to the immune system for health. At the same time, our capsules are...
  • AID GOOD SLEEP – Organic reishi mushroom are known to aid good sleep quality. Take 2 capsules in the morning for a well energized day and enjoy a...
  • HELPS FOCUS & MEMORY – Our reishi helps better concentration and memory retention, all the while boosting a healthy energy level to fight tiredness...
  • KEEPING YOU BEAUTIFUL – Reishi contains various special elements to maintain youthful-looking skin and keeping you beautiful.
SaleBestseller No. 18
Genius Mushroom – Lions Mane, Cordyceps and Reishi – Immune System Booster & Nootropic Brain...
  • NURTURE YOUR MIND, BODY & SPIRIT – By combining 3 of the most researched mycological species on the planet, Genius Mushrooms deliver an organic...
  • IMMUNE SYSTEM BOOSTER – Elevate immune support to another level with reishi mushroom extract: Having been used for centuries, this immune booster is...
  • MEMORY, FOCUS & COGNITIVE PERFORMANCE – Lions Mane provides a safe alternative to highly questionable nootropics and smart drug hitting the market...
  • CAFFEINE FREE ENERGY SUPPLEMENT – Elevate your energy levels naturally via ATP production with Cordyceps Sinensis: Increase oxygen utilization,...
  • LIVER SUPPORT & DETOX – Reishi has also been shown to improve mood and to potentially act as a detoxifying liver cleanse: There isn’t another...
SaleBestseller No. 19
Boostceuticals Reishi Mushroom Capsules Vegan No Stearates Ganoderma Lucidum Supplement (50 Days...
  • Our Reishi Mushroom capsules have no potentially harmful additives such as stearates. Pure Reishi mushroom capsules may with sleep immunity. One of...
  • Our Reishi extract 900 mg daily serving uses the fruiting bodies of Ganoderma Lucidum a better beta glucan (beta-1,3-D-glucan) and mushroom...
  • Reishi mushrooms known as medicinal mushrooms have been used for many years to aid health. Mushroom supplements contain polysaccharides and...
  • Made in USA we have a safe smart choice, our Ganoderma Reishi mushroom capsules are non GMO, gluten free, lactose free and contain no soy or wheat a...
  • As a family business, we know the uncertainty of trying new Reishi supplements / Ganoderma capsules. We source the highest quality ingredients, if you...
Bestseller No. 20
Ultimate Reishi Mushroom Formula by Mehdi Reishi – 30 Servings – 100% Pure, Premium and Organic...
  • 100% Organic Reishi: Most effective and versatile reishi product as it contains both organic spores and fruiting-body extract. Our Formula is...
  • Organically Grown, Cultivated by Hand: To maximize the purity and potency of the mushrooms and spores, our medicinal mushrooms are cultivated...
  • Increased Health Benefits: As ganoderma lucidum begins to work in the body, it has been found to enhance overall health by modulating the...
  • Used for 2,000+ years in Traditional Chinese Medicine: Reishi mushrooms, also known as ganoderma lucidum or lingzhi mushrooms, are coveted as...
  • Easy-to-Mix: Our organic supplement is served uniquely in individual packets to preserve the quality and potency. Due to its wholesome and rich...

Having trouble finding a great Now Reishi Mushroom?

This problem is well understood by us because we have gone through the entire Now Reishi Mushroom research process ourselves, which is why we have put together a comprehensive list of the best Now Reishi Mushrooms available in the market today.

After hours of searching and using all the models on the market, we have found the best Now Reishi Mushroom for 2023. See our ranking below!

How Do You Buy The Best Now Reishi Mushroom?

Do you get stressed out thinking about shopping for a great Now Reishi Mushroom? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching Now Reishi Mushroom, which is why we have assembled a comprehensive list of the greatest Now Reishi Mushroom available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Now Reishi Mushroom that you consider buying. Your questions might include the following:

  • Is it worth buying an Now Reishi Mushroom?
  • What benefits are there with buying an Now Reishi Mushroom?
  • What factors deserve consideration when shopping for an effective Now Reishi Mushroom?
  • Why is it crucial to invest in any Now Reishi Mushroom, much less the best one?
  • Which Now Reishi Mushroom are good in the current market?
  • Where can you find information like this about Now Reishi Mushroom?

We’re convinced that you likely have far more questions than just these regarding Now Reishi Mushroom, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Now Reishi Mushroom, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Now Reishi Mushroom. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an Now Reishi Mushroom buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Now Reishi Mushroom currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of Now Reishi Mushroom has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Now Reishi Mushroom?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your Now Reishi Mushroom.
  5. Customer Ratings: Number ratings grade Now Reishi Mushroom objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Now Reishi Mushroom.
  7. Product Quality: You don’t always get what you pay for with an Now Reishi Mushroom, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Now Reishi Mushroom is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining Now Reishi Mushroom information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Now Reishi Mushroom is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: How can reishi mushroom help you lose weight?

A: Eating Reishi mushrooms helps increase your metabolism. This, in turn, helps you shed fat by burning more calories. The mushroom does this safely and effectively. It also aids in the body ridding itself of unwanted toxins and fat, which further aids in weight reduction. You can eat the mushroom, make it into a tea or take it in capsule form.

Q: How much reishi should I take?

A: The Pharmacopoeia of the People’s Republic of China recommends 6 to 12 g reishi extract daily. Ganopoly (a Ganoderma lucidum polysaccharide extract) in doses up to 5.4 g daily (equivalent to 81 g of the fruiting body) for 12 weeks has been used in a few clinical trials.

Q: What are the benefits of reishi mushroom tea?

A: Cancer Prevention and Treatment. Traditional Chinese medicine practitioners recommend reishi mushroom tea as a prevention for cancer. Immunostimulant. Reishi mushroom is considered an immune modulator as it regulates and supports the immune system. … Lowers Blood Pressure. … Allergic Reactions. …

Q: Is this wild reishi?

A: Reishi also grows wild in almost all regions of the world, but commercial and medical use of these varieties is uncommon. All forms of Reishi are polypores, an extensive and diverse group of woody mushrooms found throughout nature. Polypores have a hard, woody nature and tend to grow on trees.