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However, only NAC and glutathione itself have been readily available for experimentation and these have repeatedly failed to demonstrate bioavailability to increase cellular glutathione (GSH) levels above homeostasis
See our detailed breakdown in GHK-Cu vs NAD+: A Clinical Comparison of Two Longevity Peptide Therapies
Hereditary gamma-glutamylcysteine synthetase deficiency is transmitted as an autosomal recessive trait
doi: 10.1681/ASN.2017010079 31 JagerNMPoppelaarsFDahaMRSeelenMA
Grant RS, Coggan SE, Smythe GA
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