Methylene blue
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Methylene blue
G&G Cloud staff reference · last edited 18/09/2026
Methylene Blue (methylthioninium chloride) is definitely medicinal. It is supposed to be prescribed for specific conditions and only licenced for that. It is usually delivered intravenously, if it is given orally it is only 6% as efficient. There are plenty of contraindications as well, so not a good idea without medical advice either.