Methylene Blue 1%
£33.99
68p per serving
- Per 1 ml (20 drops)
- 10 mg
- Per drop
- ≈ 0.5 mg
- Per bottle
- 500 mg
- Servings
- 50
- UK delivery
- Free
- Free UK delivery
- Next-day delivery · order before 1 pm
- 30-day money-back guarantee
- Third-party lab tested
- Third-party lab tested
- 99.99% pure (verified)
- USP pharmaceutical grade
- UK manufactured
1% concentration, 10 mg / ml, 50 ml bottle
4.9/5(682) Happy customers · 2,800+ reviews earned on Amazon
Methylene Blue Pharmaceutical-grade drops · 50 ml · UK
- Mental clarity & focus
- Clean energy, no crash
- Antioxidant protection
- Up to 250 servings a bottle
-
30-day money-back guaranteeSee the terms
Changed your mind? Return any unopened bottle within 30 days for a full refund.
-
All reviews
The purity and research behind CEREBLUE impressed me. I feel sharper and more resilient since incorporating it.
Jamie L., Strength & Conditioning Coach
(01) What it does
Pharmaceutical-grade Methylene Blue, designed to support peak performance at the cellular level. Mitochondrial efficiency. ATP production. Oxygen utilization.
- 01
Focus
Sharp, lasting focus
Sharper focus, enhanced mental clarity and sustained cognitive performance through your most demanding days.
- 02
Energy
Clean, crash-free energy
A profound, clean boost in energy without the jitters or crash.
- 03
Protection
Antioxidant protection
Helps neutralize harmful free radicals and protect your cells from damage.
- 04
Resilience
Long-term resilience
Support your body's natural resilience and invest in your long-term health and vitality.
(02) In their words
4.9/5
(682) Happy customers
2,800+ reviews earned on Amazon
“The difference in my focus since starting CEREBLUE is night and day. Productivity soared, brain fog gone. Highly recommend!”
“All I can say is that the 5% CEREBLUE is a godsend. I've never seen it before and it saves so much time doing the drops which is reason enough.”
“As someone optimizing performance, the purity and research behind CEREBLUE impressed me. I feel sharper and more resilient since incorporating it.”
(03) Purity you can trust
99.99% pure (verified)
Nothing but the highest standard.
Crafted exclusively with pharmaceutical-grade (USP) Methylene Blue, and validated by rigorous, independent third-party testing.
- Inside the bottle
- Distilled water USP grade
- Methylene blue USP grade
USP Pharmaceutical Grade
Made only with pharmaceutical-grade (USP) methylene blue. The grade comes first; everything else follows from it.
Third-Party Lab Tested
Tested independently. Have a documentation question? Send us the batch number on your bottle.
Formaldehyde & Alcohol Free
Formulated without formaldehyde and without alcohol, with no additional ingredients or fillers.
Clear strength on every label
Purity describes the methylene blue itself. The 1%, 3% or 5% on the label is how much of it is in the solution: 10, 30 or 50 mg per ml.
UK Manufactured
Made in the United Kingdom, and dispatched from here the same working day when you order before 1 pm.
- How to read concentration, purity and batch testing →
(04) Choose your strength
One standard. Three strengths.
Same 50 ml bottle, same purity. The stronger the concentration, the more servings in every bottle and the less each one costs.
Methylene Blue 3%
£53.99
36p per serving
- Per 1 ml (20 drops)
- 30 mg
- Per drop
- ≈ 1.5 mg
- Per bottle
- 1,500 mg
- Servings
- 150
- UK delivery
- Free
Best value
Methylene Blue 5%
£68.99
28p per serving
- Per 1 ml (20 drops)
- 50 mg
- Per drop
- ≈ 2.5 mg
- Per bottle
- 2,500 mg
- Servings
- 250
- UK delivery
- Free
One serving = 10 mg of methylene blue: 1 ml (20 drops) of 1%, about 7 drops of 3%, or 4 drops of 5%.
Before you buy
Not all methylene blue is the same.
Methylene blue is also sold for a few pounds as a microscope stain and as an aquarium treatment, made for those jobs. Whoever you buy from, check these five things on the bottle and the page.
- 01
The grade
Is it pharmaceutical grade, and to which standard?
USP pharmaceutical grade - 02
The purity
Is a figure given for the methylene blue itself?
99.99% pure (verified) - 03
The testing
Has someone other than the seller tested it?
Third-party lab tested - 04
The strength
Does the label say how much is in each ml?
10, 30 or 50 mg per ml - 05
The maker
Where is it made, and who answers for it?
Made in the UK
A serving of Cereblue costs from 28p at 5%. What that buys is a stated grade, a stated purity, independent testing, and next-day delivery from the UK.
(05) How to use
Three steps. Ten seconds.
Measure
Fill the dropper to 1 ml. That's 20 drops.
Add to water
Drop it into a 200 ml glass of water.
Mix
Stir well, or use according to your established research protocols.
For research and development use only.
(06) Delivery & guarantee
Delivered fast. Guaranteed.
Next-day delivery
Order before 1 pm UK time, Monday to Friday, and it is posted that day and delivered the next.
Posted Monday to Friday
Nothing is posted at weekends: an order placed after 1 pm, or on a Saturday or Sunday, goes out the next working day. UK delivery is free on every order.
30-day money-back guarantee
Return any unopened, sealed bottle within 30 days for a full refund. Return postage is paid by the customer; there is no restocking fee. See the terms
Secure checkout
Hosted by Shopify, with the payment methods you already use.
(07) Questions
Good to know.
Which strength is the best value?
The 5%. Every bottle is 50 ml, so a stronger concentration holds more servings: 50 at 1%, 150 at 3% and 250 at 5%, counting a serving as 10 mg. That brings the cost per serving down from 68p to 36p to 28p at current prices. UK delivery is free on every order.
Where can I buy methylene blue in the UK?
Directly from Cereblue. Our methylene blue is manufactured in the UK and sold in 50 ml dropper bottles at 1%, 3% and 5% concentrations. Order before 1 pm, Monday to Friday, for next-day delivery in the UK.
What is methylene blue?
Methylene blue is a synthetic blue dye first made in 1876. It is widely used in laboratory research into colour-changing redox reactions, light-driven chemistry and sensing. Our research notes explain these topics and link to the original publications.
What is the difference between 1%, 3% and 5%?
The percentage is the concentration of the solution: 1% is 10 mg per ml, 3% is 30 mg per ml and 5% is 50 mg per ml. All three come in the same 50 ml dropper bottle and are made to the same standard. Choose the concentration your established research protocol specifies.
What is the gold formula?
A second formula of Cereblue Methylene Blue, sold alongside the Original. Its label reads “Nano Liquid Gold Infusion Formula”. It comes in the same 50 ml dropper bottle and the same three concentrations, 1%, 3% and 5%, each with its own price. Choose it with the Formula switch beside the strengths on the product page.
When will my order be dispatched and delivered?
Orders placed before 1 pm UK time, Monday to Friday, are posted the same day and delivered the next day. Nothing is posted at weekends: an order placed after 1 pm, or on a Saturday or Sunday, goes out the next working day and arrives the day after that. UK delivery is free on every order.
Can I have it delivered regularly?
Yes. On the product page, choose the subscription instead of a one-time purchase and pick how often a bottle is delivered. The price of each delivery is shown there before you add it to your bag, and you can manage the subscription from your account.
Can I return my order?
Yes. Unopened, sealed bottles can be returned within 30 days. Return postage is paid by the customer and there is no restocking fee. See the returns policy for details.
Where can I find quality and testing information?
Our standard is set out above, and our research note on concentration, purity and batch testing explains how to read it. For documentation questions, contact us with the batch number on your bottle.
What is Cereblue Methylene Blue sold for?
Cereblue Methylene Blue is sold for research and development use only.
Ready to feel the difference?
50 servings · 68p a serving
- Free UK delivery
- Next-day delivery · order before 1 pm
- 30-day money-back guarantee