Supplementation
Supplementing with Glutathione in the past has been difficult and remains difficult, as scientific research shows that Glutathione taken orally is NOT well absorbed across the GI tract.
In a study of acute oral administration of a VERY large dose of 3 grams of oral glutathione, Witschi and coworkers found that "it is NOT possible to increase circulating Glutathione to a clinically beneficial extent by the oral administration of a single dose of 3 g of glutathione." Wikipedia
However, tissue and serum glutathione concentrations can be raised significantly by increased intake of the precursor cysteine, or in chronic conditions, by S-adenosylmethionine (SAMe). Glutathione precursors rich in cysteine include N-acetylcysteine (NAC) and undenatured whey protein, and these supplements have been shown to increase glutathione content within the cell. N-Acetylcysteine is a generically available supplement which has been demonstrated to increase intracellular reduced and total Glutathione by up to 92% and 58% respectively.
However, the patented natural formula recommended by the Health-Report team has been shown to markedly increase the levels of Glutathione in individuals suffering chronic illness, by stimulating the liver to produce glutathione, by over 400% after just three months of supplementation in one group of individuals with compromised immune systems.