#1 does injecting b12 daily for pernicious anemia cause thick blood
[41] United States Environmental Protection Agency (USEPA)
( A ) Under IL-13stimulated conditions, ALOX15 (15LO1) knockdown (KD) increases intracellular GSH and the GSH:GSSG ratio toward control conditions ( n = 6)
Long-term LDR exposure also altered the expression of miRNAs to induce apoptosis through oxidative stress in mouse testes (Liang et al., 2018)
Protein oxidation in metabolic syndrome
Short Answer: It could be byproducts of any of the three amino acids that make up the glutathione molecule, which include the individual amino acids, ammonia, hydrogen sulfide, sulfite, and propionyl CoA, or it could be microbial metabolites of glutathione produced in the gut