Maitake (Grifola frondosa)

Energy CrashesMood SwingsSugar Spikes
Size: 90 Capsules
In stock

Purity & Potency Snapshot

We obsess over the details so you don’t have to. From harvest to extraction, every step is optimized to preserve natural potency and purity.

Scientific Name

Grifola frondosa

Active Compounds

✅ Verified 46.3% Beta D-Glucans

Mushroom Part Used

100% Fruiting Body

Grown On (Substrate)

Chestnut Wood Sawdust

Extraction Method

Hot Water Extraction

No fluff. Just proof.

Lab Reports

Every pouch is tested, verified, and backed by real numbers. Because when it comes to your health, transparency isn’t optional — it’s essential.

We don’t expect trust — we earn it. See the full lab reports for yourself.
View Reports

Meet Our Science Team

Medical Advisor – Safety & Longevity

Dedicated to the science of longevity, Dr. Claudia Mendonça combines clinical insight with a preventative, patient-focused approach, helping people live healthier, longer, and more empowered lives.

Nutrition Science Advisor

Rebecca Taylor, is a Registered Nutritionist with a first-class MSc in Personalised Nutrition and a deep commitment to science-backed wellness.

The Antioxi Logo. The circle "o" in Antioxi's logo symbolizes completeness and ongoing commitment to quality, while the underline signifies a strong foundation, emphasizing our rigorous scientific and ethical standards.

WE GIVE A SHIITAKE

SAFE

Clean Supplements

Certified organic to the strictest UK & EU standards. Safety and quality - guaranteed.

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POTENT

Backed by Science

Independently verified by Eurofins for exceptional potency and premium quality extracts.

See How We Test

PERSONAL

Built on trust

7-day access to our team, plus free 1:1 talks with our co-founder to help you find the perfect product.

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Wellness, Your Way

Everyone’s journey is different — and your supplements should be too. Build your own custom wellness stack, your way.

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FAQs

average rating 4.8 out of 5
Based on 56 reviews
  • 5 Stars
    50 Reviews
  • 4 Stars
    3 Reviews
  • 3 Stars
    2 Reviews
  • 2 Stars
    1 Review
  • 1 Star
    0 Reviews
95% of reviewers would recommend this product to a friend
Rate the product's effectiveness.
Rated 1 on a scale of minus 2 to 2, where minus 2 is Needs Improvement, 0 is Satisfied and 2 is Outstanding
Rate our transparency and testing.
Rated 1 on a scale of minus 2 to 2, where minus 2 is Needs Improvement, 0 is Satisfied and 2 is Outstanding
Rate our customer service.
Rated 1 on a scale of minus 2 to 2, where minus 2 is Needs Improvement, 0 is Satisfactory and 2 is Outstanding
Review posted
Reviewed by Henry V.
Verified Reviewer
Age
18-24
Dose
1g
Health Goal
Blood Sugar Balance
How soon did you notice benefits?
I Haven’t Noticed Any Yet
Rated 3 out of 5

Not a dramatic shift yet

I like the concept and packaging is gorgeous but I haven’t seen major results yet might just need more time

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Rate the product's effectiveness.
Rated 0 on a scale of minus 2 to 2, where minus 2 is Needs Improvement, 0 is Satisfied and 2 is Outstanding
Rate our transparency and testing.
Rated 0 on a scale of minus 2 to 2, where minus 2 is Needs Improvement, 0 is Satisfied and 2 is Outstanding
Rate our customer service.
Rated 0 on a scale of minus 2 to 2, where minus 2 is Needs Improvement, 0 is Satisfactory and 2 is Outstanding
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Review posted
Reviewed by Bobby W.
Verified Reviewer
Age
35-44
Dose
2g
Health Goal
Energy & Vitality
How soon did you notice benefits?
2 Weeks
Rated 4 out of 5

Still testing it but promising so far

I’ve been using this for a few weeks and I think it’s making a difference energy feels smoother overall

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I recommend this product
Rate the product's effectiveness.
Rated 0 on a scale of minus 2 to 2, where minus 2 is Needs Improvement, 0 is Satisfied and 2 is Outstanding
Rate our transparency and testing.
Rated 0 on a scale of minus 2 to 2, where minus 2 is Needs Improvement, 0 is Satisfied and 2 is Outstanding
Rate our customer service.
Rated 0 on a scale of minus 2 to 2, where minus 2 is Needs Improvement, 0 is Satisfactory and 2 is Outstanding
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Antioxi

Thank you for sharing your experience, Bobby! It's wonderful to hear about the smoother energy you're experiencing with Maitake - those promising early results are exactly what we love to hear about.

Review posted
Reviewed by Waylon C.
Verified Reviewer
Age
25-34
Dose
2g
Health Goal
Stress & Mood
How soon did you notice benefits?
1 Month
Rated 5 out of 5

Noticeably less moody

I wasn’t expecting this to impact my emotions but I’ve been more even and less reactive throughout the day

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I recommend this product
Rate the product's effectiveness.
Rated 2 on a scale of minus 2 to 2, where minus 2 is Needs Improvement, 0 is Satisfied and 2 is Outstanding
Rate our transparency and testing.
Rated 2 on a scale of minus 2 to 2, where minus 2 is Needs Improvement, 0 is Satisfied and 2 is Outstanding
Rate our customer service.
Rated 2 on a scale of minus 2 to 2, where minus 2 is Needs Improvement, 0 is Satisfactory and 2 is Outstanding
Was this helpful?