Oyster (Pleurotus ostreatus)

Dizzy SpellsHeart PalpitationsHigh Cholesterol
Oyster mushroom (Pleurotus ostreatus) known for supporting heart and cholesterol health.
Size: 90 Capsules
In stock
Antioxi® Oyster Mushrooms

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

Pleurotus ostreatus

Active Compounds

✅ Verified 45.3% Beta D-Glucans

Mushroom Part Used

100% Fruiting Body

Grown On (Substrate)

Cottonseed Hulls, Corncob Powder, Straw, Sawdust, Wheat Bran, Lime

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.
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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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FAQs

average rating 4.6 out of 5
Based on 31 reviews
  • 5 Stars
    24 Reviews
  • 4 Stars
    4 Reviews
  • 3 Stars
    2 Reviews
  • 2 Stars
    1 Review
  • 1 Star
    0 Reviews
90% 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 Liam B.
Verified Reviewer
Age
65+
Dose
2g
Health Goal
Cardiovascular
How soon did you notice benefits?
3 Months or Longer
Rated 5 out of 5

Subtle but steady support

After 3 months I feel healthier overall. It’s not overnight but I feel more balanced and strong.

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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?
Review posted
Reviewed by Connor W.
Verified Reviewer
Age
35-44
Dose
2g
Health Goal
Cardiovascular
How soon did you notice benefits?
2 Weeks
Rated 5 out of 5

No more dizzy spells

I was dealing with occasional dizziness but within 2 weeks that eased up a lot. Smooth to mix into tea.

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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?

Antioxi

That's fantastic, Connor!

Love that you noticed such a difference with the dizziness within just 2 weeks - that's amazing! So great to hear it mixes smoothly into your tea too, makes it easy to incorporate into your routine!

Review posted
Reviewed by Desmond T.
Verified Reviewer
Age
55-64
Dose
3g
Health Goal
Cardiovascular
How soon did you notice benefits?
2 Months
Rated 5 out of 5

Really helps with cholesterol

I had my levels checked after 2 months and they’d improved. I also feel lighter and more energetic day to 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?

Antioxi

That's amazing, Desmond!