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Comparing your options? Read our guide: Best Methylene Blue Supplements in Australia
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Eternal Elixir Methylene Blue, 60 capsules - front of bottle
Eternal Elixir Methylene Blue capsules - warning and storage label
Eternal Elixir Methylene Blue capsules - ingredients and research-use label
Three Eternal Elixir Methylene Blue capsule bottles showing front and side labels
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Eternal Elixir Methylene Blue, 60 capsules - front of bottle
Eternal Elixir Methylene Blue capsules - warning and storage label
Eternal Elixir Methylene Blue capsules - ingredients and research-use label
Three Eternal Elixir Methylene Blue capsule bottles showing front and side labels

Premium Quality

Methylene Blue Capsules 10mg USP | Cognitive Enhancement

4.9 (26)

Supercharge your brain power. Pharmaceutical-grade USP Methylene Blue optimises mitochondria and enhances cognitive performance. 10mg per capsule, precision-dosed.

Please note: this item is shipped separately and will arrive in its own package when ordered with other items.

Select quantity

Total: $59.99

or 4 interest-free payments of $14.99 with Afterpay

  • 30-day money-back guarantee
  • Free shipping over $100
  • Metro delivery in 3–5 business days
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  • Key Benefits
  • Enhances mitochondrial function
  • Supports cognitive performance
  • Powerful neuroprotective properties
  • May improve cellular energy production

Ingredients

  • Pharmaceutical Grade Methylene Blue USP 10mg per capsule, Rice Flour, Cellulose (Capsule), Citric Acid (preservative) · 60 capsules (60 servings) per bottle

Suggested Use

  • Take 1 capsule daily (10mg)
  • Lab Tested
  • Australian Owned
  • GMP Certified
  • What It Does
Methylene Blue is a mitochondrial optimizer and cognitive enhancer that’s been used in medicine for over 100 years. Our USP-grade capsules deliver 10mg per dose, supporting brain health, enhancing mental clarity, and boosting cellular energy production. Unlike messy liquid forms, our capsules are precisely dosed, convenient, and easy to take—making daily Methylene Blue supplementation simple and hassle-free.
  • How It Works
Methylene Blue acts as an alternative electron carrier in the mitochondrial electron transport chain, enhancing ATP production. It also has neuroprotective properties and may support healthy brain aging. Each capsule provides a precise 10mg dose for consistent cognitive support.
  • Science-Backed Research
Research shows cognitive enhancement benefits
Supports mitochondrial respiration and energy production
Neuroprotective properties demonstrated in studies
May support healthy brain aging
  • Ideal For
Individuals seeking enhanced cognitive function
Those interested in mitochondrial optimization
People wanting neuroprotective support
Biohackers looking for cutting-edge nootropics
  • Clinical Research
Multimodal Randomised Functional MR Imaging of the Effects of Methylene Blue in the Human Brain (Radiology)
Year: 2016 • 26 healthy adults • Duration: single low oral dose • Randomised controlled trial
A single low dose of methylene blue increased activity in brain regions that control sustained attention and short-term memory on functional MRI and improved memory-retrieval accuracy by 7% compared with placebo. View on PubMed →
Neurometabolic Mechanisms for Memory Enhancement and Neuroprotection of Methylene Blue
Year: 2012 • Review • Scientific review
Reviews how low-dose methylene blue cycles electrons within mitochondria, increasing cytochrome-oxidase activity and brain oxygen consumption, with a hormetic dose-response in which low doses enhance memory. View on PubMed →
Methylene Blue Improves Brain Oxidative Metabolism and Memory Retention in Rats
Year: 2004 • Rats • Preclinical study
Low-dose methylene blue increased brain cytochrome-oxidase activity and improved memory retention, linking its mitochondrial action to cognitive effects. View on PubMed →
The Brain Metabolic Enhancer Methylene Blue Improves Discrimination Learning in Rats
Year: 2007 • Rats • Preclinical study
Post-training low-dose methylene blue improved discrimination learning, consistent with enhanced memory consolidation through increased brain energy metabolism. View on PubMed →
Studies describe the ingredient in the populations shown; results vary between individuals. Links open the original abstracts on PubMed.
View Case Study
  • Third-Party Lab Tested for Purity
  • Certified by Clinical Testing Laboratories of America (CTLA)
  • Every Eternal Elixir batch is third-party lab tested for purity and potency. The certificate shown is a sample from our testing program - you can request the current batch COA for any product and we will send it straight to you.
  • Official Certificate of Analysis
  • Click certificate to view full size • sample certificate: Methylene Blue batch (CTLA ID: 135620)

Frequently Asked Questions

Everything you need to know about our premium supplements

At low doses (10mg), pharmaceutical-grade Methylene Blue has an excellent safety profile and has been used in medicine for over 100 years. Our USP-grade capsule formulation ensures purity and precise dosing. Take 1 capsule daily. It is not for everyone: do not take it with SSRIs, SNRIs, MAOIs or other serotonergic medicines, if you have G6PD deficiency, if you are pregnant or breastfeeding, or if you are under 18, and talk to your doctor first if you take any prescription medicine.

Methylene Blue acts as an alternative electron carrier in mitochondria, enhancing ATP (cellular energy) production in brain cells. It also has neuroprotective properties and may improve memory, focus, and mental clarity by optimizing brain energy metabolism. Each capsule provides 10mg for consistent cognitive support.

Yes, Methylene Blue can temporarily turn your urine blue-green. This is completely harmless and expected - it's simply the dye being eliminated from your body. The effect is temporary and will resolve within 24 hours.

The label serve is 1 capsule (10mg) a day. It is not suitable for people taking SSRIs, SNRIs, MAOIs or other serotonergic medicines, people with G6PD deficiency, anyone pregnant or breastfeeding, or anyone under 18. Many biohackers and health enthusiasts use it regularly for cognitive enhancement and mitochondrial support. Our capsule form provides convenient, consistent dosing. Monitor your response and consult your healthcare provider.

  • Customer Reviews
  • 4.9
  • Based on 26 customer reviews
Nathan J. Verified Purchase
Incredible nootropic
Mental clarity is off the charts with this. I'm a physician and researched this extensively before trying. The pharmaceutical grade quality is evident. Enhanced focus and cognitive performance.
Alexandra H. Verified Purchase
Brain fog gone!
After struggling with brain fog for years, this has been transformative. Within days I noticed sharper thinking and better memory. The mitochondrial benefits are real.
Marcus T. Verified Purchase
Potent cognitive enhancer
Start with a low dose! This is powerful. Once I found my sweet spot, the mental enhancement is remarkable. Best nootropic I've used for sustained focus.
Diana L. Verified Purchase
Worth the research
After reading studies on methylene blue's neuroprotective properties, I decided to try it. Cognitive improvements are noticeable - better memory, faster processing, clearer thinking.
Christopher K. Verified Purchase
Amazing for focus
As a researcher, I need sustained mental clarity. This delivers better than any other nootropic I've tried. Pharmaceutical grade makes the difference.
Sarah M. Verified Purchase
Game changer
Mental energy and clarity are dramatically improved. Started with a very low dose and worked up. Impressive results.
Robert F. Verified Purchase
Effective nootropic
Cognitive enhancement is real. Memory and processing speed both improved. Quality is excellent.
Jennifer P. Verified Purchase
Best brain supplement
Nothing else has given me this level of mental clarity. The neuroprotective benefits give me peace of mind too.
Daniel W. Verified Purchase
Pharmaceutical grade quality
You can tell this is high quality. Mental performance is enhanced without jitters or crashes. Excellent product.
Michelle R. Verified Purchase
Impressive cognitive benefits
Memory, focus, and mental stamina all improved. This is the real deal for cognitive enhancement.
4.9
Based on 26 reviews
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1-5 of 26 reviews
  1. JQ
    John Quinn
    Verified buyer
    Methylene Blue Capsules 10mg USP | Cognitive EnhancementMethylene Blue Capsules 10mg USP | Cognitive Enhancement

    Partner noticed I was less scattered before lunch. Good enough for me.

  2. ZS
    Zoe S.
    Verified buyer
    Methylene Blue Capsules 10mg USP | Cognitive EnhancementMethylene Blue Capsules 10mg USP | Cognitive Enhancement

    It’s fine. Probably better options at this price, honestly.

  3. GB
    Geoffrey Blackwood
    Verified buyer
    Methylene Blue Capsules 10mg USP | Cognitive EnhancementMethylene Blue Capsules 10mg USP | Cognitive Enhancement

    Good product.

  4. A
    Anonymous
    Verified buyer
    Methylene Blue Capsules 10mg USP | Cognitive EnhancementMethylene Blue Capsules 10mg USP | Cognitive Enhancement

    Solid product.

  5. IA
    Irene A.
    Verified buyer
    Methylene Blue Capsules 10mg USP | Cognitive EnhancementMethylene Blue Capsules 10mg USP | Cognitive Enhancement

    Happy with the product. No issues at all.

  • Real Customers

Join Thousands Who Trust Us

Real people, real results. See what our community has to say.

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Safety: read before use

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Eternal Elixir

Premium nootropic and longevity supplements, backed by science. Lab tested, GMP certified, Australian owned.

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Always read the label and use only as directed. Supplements should not replace a balanced diet. Speak with your healthcare professional before starting a new supplement, especially if you are pregnant, breastfeeding, taking medication or have a medical condition.

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