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Affiliate Disclaimer This post may contain affiliate links, meaning I may earn a small commission if you make a purchase through these...

Methylene blue is one of those forgotten gems. First synthesized in the 19th century as a dye, it later earned a place in medical history as one of the earliest pharmaceutical drugs. And now, over 140 years later, it’s quietly stepping back into the spotlight, not as a fad, but as a substance that might just help you think more clearly, age more slowly, and feel more alive.