What is N-Acetyl-Cysteine?

Acetyl cysteine is a form of naturally occuring essential amino acid l-cysteine. The natural molecule is modified by the addition of what is known in chemistry terms as a functional group. This basically means it has an extra bit tacked on.

The effect of this extra part is to increase the bio-availability of L-cysteine and also to make it more readily distributed in the body on ingestion. This is a fancy way of saying that you simply absorb it better than regular l-cysteine from your diet. This is why it is used extensively in medicine in place of l-cysteine.

I find it quite amazing that a simple derivative of an amino acid found in the diet has so many interesting and power properties!

Read more about the medical uses of NAC here

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