Is Methylene Blue safe to ingest?

Only if it is USP Pharmaceutical Grade. Industrial or chemical grades contain toxic heavy metals. USP grade is highly purified (>99%) and safe at low, nootropic doses (typically 0.5mg to 4mg per day).

Why does Methylene Blue turn urine blue?

It is highly water-soluble and excreted primarily through the kidneys. This discoloration is completely harmless and temporary.

Methylene Blue in Morocco: biohacking, mitochondrial energy and complete usage guide

Methylene Blue in Morocco: biohacking, mitochondrial energy and complete usage guide | Blog Nootropic.ma