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NAC provides cysteine, the bottleneck amino acid for making glutathione. Your body also needs glycine and glutamine, but without enough cysteine, glutathione production stops. Supplementing cysteine gets it moving again.
NAC provides cysteine, the bottleneck amino acid for making glutathione. Your body also needs glycine and glutamine, but without enough cysteine, glutathione production stops. Supplementing cysteine gets it moving again.
Why does NAC as the cysteine source? Well, the reason is, is that biochemically cysteine is the rate-limiting amino acid of the 3. And what that means is I can put in glycine and I can put in glutamine, but if I don't have enough cysteine, the glycine and the glutamine will slow down and slow down and slow down. It won't make any more glutathione. If I put cysteine in, and the body has enough glutamine and glycine, then I'll make glutathione. That's the rate-limiting part of cysteine.
