Methylene Blue Solution 1%
Methylene Blue Solution 1%
Methylene Blue Solution 1%
Methylene Blue Solution 1%
Methylene Blue Solution 1%
Methylene Blue Solution 1%
Methylene Blue Solution 1%
Methylene Blue Solution 1%
Methylene Blue Solution 1%
Methylene Blue Solution 1%

OSAVITA

Methylene blue 1% 100 ml.

★★★★★ 5.0 · 13 reviews

Solution of 1% methylene blue in purified water, of USP quality and tested for purity, heavy metals and microbiology. For non-food applications.

Why this product?

1% methylene blue in purified water, without other ingredients

USP quality, tested for purity, heavy metals and microbiology

0.5 mg methylene blue per drop, according to the manufacturer

Brown glass bottle with glass pipette, protected from light

For non-food applications, made in Germany

€29,95
€29,95
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100 ml · brown glass bottle with pipette · non-food
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Methylene Blue Solution 1% - 100 ml

Methylene blue 1% 100 ml.

Order before 22:00, processed the same day
Free shipping from €85.00
Money-back guarantee
€29,95
Story
Overview
Ingredients
How to use
Reviews
Claims
Brand
FAQ
01 / The story

Methylene blue 1%, in purified water.

01, The story
02, Form & figures
03, Composition
04, Non-food
05, Quality & production
06, Frequently asked questions
Reading time · 3 min

Methylene blue is a dye first made in 1876 by the German chemist Heinrich Caro. Osavita supplies a 1% solution in purified water, of USP quality, without other ingredients.

A deep blue dye

Methylene blue is a phenothiazine dye with an intense blue colour. It is used, among other things, as a stain in laboratories and as a redox indicator in analytical chemistry.

USP quality, tested

The methylene blue meets the USP standard for pharmaceutical quality and is tested for purity, heavy metals and microbiology. According to Osavita, one drop contains 0.5 mg methylene blue.

Safe storage

The solution comes in a brown glass bottle with a glass pipette to protect it from light. Methylene blue stains skin, textiles and surfaces heavily. Keep the bottle out of the reach of children and avoid contact during pregnancy and breastfeeding.

Methylene blue 1% solution

Osavita’s methylene blue is a premium 1% solution. The high-purity methylene blue contains no other ingredients besides purified water.

UV-Protected Bottle

The methylene blue solution is filled into a brown glass bottle for optimal stability and product quality. Each bottle is also fitted with a handy glass pipette.

Made in Germany

Osavita manufactures products in Germany according to the strict DIN EN ISO 9001. This is a certification showing that an organisation operates an effective quality management system aimed at consistently delivering products and services that comply with laws and regulations.

Features of Osavita Methylene Blue

The methylene blue is of USP and pharmaceutical quality, made in Germany, tested for heavy metals and microbiology and tested for purity. Per drop, the solution contains 0.5 mg methylene blue. Please note: methylene blue is only suitable for non-food applications. Keep out of the reach of children. Methylene blue: CAS number 61-73-4. Purified water: CAS number 7732-18-5.

02 / Form & figures

Composition in figures.

According to Osavita.

1%
Methylene blue
In purified water.
0,5 mg
Per drop
Methylene blue per drop.
USP
Quality
Pharmaceutical quality, tested.
100 ml
Contents
Brown glass bottle with pipette.
Composition

Two components. Nothing else.

Component Proportion Quality CAS number
Methylene blue 1%USP 61-73-4
Purified water 99%Purified 7732-18-5
Additives None- -

for non-food applications only · tested for purity, heavy metals and microbiology · stains heavily · avoid contact during pregnancy and breastfeeding · keep out of the reach of children · store in the original, light-proof bottle · net contents 100 ml

Product information

How to use it. And everything on the label.

How to use

  1. 1

    We do not provide advice on the use of this product.

  2. 2

    Avoid contact during pregnancy and breastfeeding.

  3. 3

    Keep out of reach of children.

  4. 4

    Consult other online resources or consult a qualified professional.

Contents
100 ml
Allergens
Geen
Do not exceed the recommended daily dose.
Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle.
Keep out of the reach of young children.
* RI = reference intake according to European standards.

Reviews · 5.0 / 5 13

Non-food

Non-food, no claims.

Framework
Non-food
Not a food
Subject
Osavita
(laboratory grade)

This product is sold for non-food applications. It is neither a food nor a food supplement.

We therefore make no statements about use or effect and give no advice on application. On this page you can read what the substance is, how pure it is and how to store the product safely.

Non-food
Not a food
No application advice

This product is not a food and not a food supplement.

Osavita supplies this substance as a pure raw material for non-food applications. We give no advice on its use and make no statements about effects.

The claims rules of Regulation (EC) No 1924/2006 apply to foods and do not apply to this product.

Professionally reviewed

Read and checked by a fellow professional.

Diederik Jansen

Independent researcher · editorial review

The content of this page has been checked for factual accuracy, from form and dosage to compliance with the European rules on health claims. If you take medication or are in doubt, we always recommend a personal consultation.

The content of this page has been checked for factual accuracy, from form and dosage to compliance with the European rules on health claims. If you take medication or are in doubt, we always recommend a personal consultation.

Reviewed
Oct 2026

Next
review
Oct 2027

Curator's note
A dye from 1876, in USP quality.
Selected by Ergomax

Methylene blue is one of the oldest synthetic dyes. Osavita supplies it as a 1% solution in purified water, of USP quality and tested for purity, heavy metals and microbiology.

About the brand

Osavita, briefly explained.

Osavita

A German producer of pure raw materials in laboratory quality.

Osavita makes and fills its products in Germany, in accordance with DIN EN ISO 9001. The raw materials meet the European Pharmacopoeia or the American USP standard and are regularly checked by independent laboratories. The products are supplied in brown glass bottles and are intended for non-food applications.

All products from Osavita
Quality and production

Made in Germany, in accordance with ISO 9001.

Osavita produces and fills in Germany, under strict hygiene guidelines and in accordance with DIN EN ISO 9001. The raw materials meet the European Pharmacopoeia or the USP standard and are regularly tested by independent laboratories.

Production 01
Made in Germany
DIN EN ISO 9001
Osavita produces and fills in Germany, under strict hygiene guidelines. The ISO 9001 certification shows that the company operates an effective quality management system.
Raw material 02
Pharmaceutical quality
Ph. Eur. or USP
The raw materials meet the European Pharmacopoeia (Ph. Eur.) or the American USP standard for pharmaceutical quality.
Packaging 03
Brown glass
Protected from light
All products are supplied in brown glass bottles, which block light. Most bottles have a glass pipette, the colloidal silver a spray head.
Testing 04
Independently tested
Purity and composition
Purity and composition are regularly checked by independent laboratories.
08 / Frequently asked questions

What you still wanted to know.

A phenothiazine dye with an intense blue colour, first made in 1876 by the German chemist Heinrich Caro. It is used, among other things, as a stain in laboratories and as a redox indicator.

For purity, for heavy metals and microbiologically. The methylene blue meets the USP standard for pharmaceutical quality.

No. Osavita products are sold for non-food applications and we give no advice on their use. If you have questions about an application, consult an expert.

Brown glass blocks light, so the substance stays stable. Glass also does not react with the contents, unlike some plastics.

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