
Is methylene blue really a brain booster? A pharmacologist explains the science
June 10, 2025, Lorne Hofseth
The internet is abuzz with tributes to a liquid chemical called methylene blue that is being sold as a health supplement that enhances cognitive function. Vendors claim it amps brain energy, improves memory, boosts focus and dispels brain fog. A USC pharmacologist weighs in, via The Conversation.