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Methylene Blue

Methylene Blue

Regular price $49.90
Regular price $69.90 Sale price $49.90
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Methylene Blue is a powerful supplement, dating back to the 1800s, and is used to boost cognitive function! It's one of the earliest fully synthesized medical treatments, and still deems to be a multifunctional compound in the contemporary era.

  • Boosts overall mood
  • Helps to improve memory
  • Optimises overall cognitive function
  • Boosts general wellness

Directions For Use

For daily cognitive boost, use 5-10 drops with water. For a immediate nootropic boost, put a few drops under your tongue. Please note putting it under your tongue might cause temporary discolouration of the tongue but is harmless.

Has a dropper cap for smooth use.

Supplement Ingredients

Pharmaceutical grade methylene blue, distilled water, grain-free organic ethanol alcohol

Approximately 900mcg per drop at a 1.3% solution.


For orders over , we offer FREE postage Australia wide
For orders below , the regular postage fee Australia wide is $10
For orders below , the express postage fee Australia wide is $14.95


We aim to dispatch all orders within 1-2 days. Once your order is dispatched, you will get an email with a tracking number with a clickable link. Alternatively, you can simply visit AusPost and enter your tracking number.

If your delivery seems to be taking longer than expected, please email us at, and we would be happy to follow it up for you!

We have a 30 Day refund/ return policy. However, please find our full list of terms and conditions here.


Have a full read of our shipping policy here or reach out to us directly.
You can email or buzz us on 02 6290 6635.
Happy shopping Oxygen crew!