Neuromelanin is a dark pigment found in the brain which is structurally related to melanin. Generally being considered as useless, some interesting properties have been arising regarding this molecule.

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Neuromelanin Matrix

The Magnetic Neuromelanin Matrix

Neuromelanin is known to have detoxifying properties by sequestering heavy metals, and it seems to display them in a tri-dimensional magnetic matrix.
Neuromelanin

Neuromelanin rising

At one of the far corners of tyrosine's methabolic pathway lays neuromelanin, a molecule that seems to have detoxifying properties.