Skyrocket your energy, immunity & cognition.

Mushroom extract recipes designed for maximum efficiency, backed by real science.

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Mushroom-based

The best we have to offer for immunity, energy & cognition. 100% extracts. 0% filler.
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Immunity complex

Immunity complex

Reishi, Chaga, and Shiitake
59,99 € 49,99 €
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Brain complex

Brain complex

Lion's Mane and Cordyceps
59,99 € 49,99 €
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Energy complex

Energy complex

Lion's Mane, Cordyceps, and Reishi
59,99 € 49,99 €

Backed by real science

After seeing our world transform, we couldn't just sit and do nothing.

So, we partnered up with a lifelong scientist to craft top-of-the-line mushroom extract formulas.

And now we're here, with products that are backed by mountains of research.

Energy
  • Targets your body's energy factory — the mitochondria.
  • We designed the formula to enhance the creation of new energy in your body. It helps mitochondria renew faster.
  • That leads to a reduction in fatigue and a significant increase in new energy.
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Mushroom by mushroom

Here's all the mushroom extracts across all our products.

Hericium Erinaceus

Lion's Mane

  • This mushroom helps our brains make new synapses by stimulating our nerve cell growth
  • It enhances our mitochondria (energy source). And break down wasted mitochondria
  • And even has antioxidant properties

Usage of this mushroom and its extracts can lead to:

  • A notable increase in your memory
  • More energy, both for your body and your brain
  • Reduced anxiety and a stable mood
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Cordyceps

Cordyceps

  • This mushroom helps your body restore mitochondria (your body’s energy source)
  • And, it can help increase oxygen levels in your blood
  • Plus, it has proven adaptogenic properties that help stabilize cortisol levels & hormonal balance

Which can result in these benefits:

  • Improved cognitive performance
  • Boosted athletic performance
  • A more stable mood
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Lingzhi

Reishi

  • Reishi helps activate immune cells, natural killer cells, and macrophages
  • It also has anti-inflammatory properties

Which can result in the following benefits:

  • Immune system being stronger
  • Reduced chronic inflammation
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Inonotus Obliquus

Chaga

  • It contains components like betulinic acid that have strong, study-based anti-inflammatory properties

This can lead to:

  • Your immune system being stronger overall
  • An increase in your body's defense systems
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Lentinula Edodes

Shiitake

  • It primarily stimulates macrophage activity

In turn, that helps:

  • Your body identify and destroy dangerous cells
  • Activate your natural killer cells and immune cells. Both of which help your body's immune system function better
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Who are we?

We're The 3rd Kingdom.

Our goal is to introduce new mushroom products to people around the globe.

Not only so they can reap the benefits of mushroom extracts, but also to serve as a gateway to something more.

The kingdom of mushrooms.

 Read our story

A truly special piece

All our products are designed with a singular focus.

It's either immunity, cognition, or energy. Each formula is fine tuned to it's specific goal.

Uģis Klētnieks

The scientist behind the formulas. A mushroom enthusiast himself. Currently spending his time researching and studying new medicine & how our ancestors lived.

All with the goal to find ways to increase our lifespan. And deliver the most effective medicine to the world.

With a solid track record too. He's the ex-CEO of a successful and innovative medical product company from Eastern Europe.

And Uģis Klētnieks crafted all our formulas. Making sure they're as effective as they can be.

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Frequently asked questions
Can I return a product?

Due to the nature of food and dietary supplements, returns are accepted only if the product is unopened, unused, and in its original sealed packaging.

In accordance with EU Consumer Rights Directive 2011/83/EU (Article 16) and applicable Latvian legislation, opened food or dietary supplement products are not eligible for return for health and safety reasons.
What if my order arrived damaged or incorrect?

If you received a damaged, defective, or incorrect product, please contact us within 14 days of delivery at info@the3rdkingdom.com.

Please include your order number and clear photos of the issue so we can review the case and offer an appropriate solution.
Where do you ship?

Currently, we ship everywhere in the European Union (EU) and also outside EU. You can check delivery destinations in the chechout.
How many capsules are in one bottle?

30 capsules per bottle. Take 1 to 3 capsules daily.
Can I use all of the products at the same time?

Yes. You can. That's the ultimate combo.
Where are your products manufactured?

Our products are manufactured in Europe, Latvia.
When will I get my order?

We'll package up your order as soon as we get it. Delivery can take up to 10 business days in the European Union.
How long to feel the effect?

We recommend a healthy lifestyle in parallel with the use of our supplements. The effects usually take place within 30 days of using the product.