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Methylene blue (methylthioninium chloride) is a synthetic dye that has been used in medicine and research for over 100 years.

Methylene blue has been the subject of intensive research for decades. The focus is particularly on its properties in connection with cell energy and cognitive functions.
The exact effect depends heavily on dosage, purity and individual reaction.
Different dosages are described in scientific publications. Frequently, low quantities in the range of approx. 10 mg daily discussed.
| Area of application | Typical dosage |
|---|---|
| Research / Studies | 0.5 - 4 mg/kg |
| Low dosage | 5 - 10 mg daily |
| Higher dosages | only under medical supervision |
The possible side effects depend heavily on the dosage and quality.
An expert assessment should always be carried out before use.