Some existing ingredients have shown statistically significant increases in cellular glutathione levels but only after months of supplementation
Moscow JA, Townsend AJ, Cowan KH (1989) Elevation of pi class glutathione S-transferase activity in human breast cancer cells by transfection of the GST pi gene and its effect on sensitivity to toxins
Low Mood: Because amino acids like Tyrosine and Tryptophan also make neurotransmitters (brain chemicals), a deficiency can affect your mental wellbeing
Dioguardi M, Ballini A, Sovereto D, Spirito F, Cazzolla AP, Aiuto R
In a research context, the main limitations are the gap between animal and human data, stability sensitivity requiring proper storage, and the risk of compromised results if purity is not independently verified