Blue Organics

One drop will colour an entire glass.

100% pure USP grade methylene blue. No industrial dye, no fillers, nothing added.

Nattō has been eaten in Japan for about a thousand years. Nobody isolated what was doing the work until 1980, when a researcher dropped some onto a fibrin plate and came back to find the clot gone.

Made as a fabric dye in 1876. In medical use by 1891, and still on the WHO essential medicines list today.

Older than aspirin, and still on the WHO list of essential medicines.

1876, a German dye works. 1891, a malaria ward. It has been in continuous medical use longer than almost anything else in your cabinet.

It was invented to colour cotton. Nobody expected the second career.