Although significant liver toxicity is not commonly reported, patients with liver disease should use Astaxanthin + L Glutathione + Lutein cautiously and under medical advice
In excess, these highly-reactive species cause oxidative stress which is responsible for significant cell damage
Am J Clin Nutr 96: 332336, 2012 [DOI] [PMC free article] [PubMed] [Google Scholar] 23.Hansen JG, Tang W, Hootman KC, Brannon PM, Houston DK, Kritchevsky SB, Harris TB, Garcia M, Lohman K, Liu Y, de Boer IH, Kestenbaum BR, Robinson-Cohen C, Siscovick DS, and Cassano PA

Members of this family belong to the type I and are: [6] in the transsulfurylation route for methionine biosynthesis: Cystathionine -synthase ( metB ) which joins an activated homoserine ester (acetyl or succinyl) with cysteine to form cystathionine Cystathionine -lyase ( metC ) which splits cystathionine into homocysteine and a deaminated alanine (pyruvate and ammonia) in the direct sulfurylation pathway for methionine biosynthesis: O-acetyl homoserine sulfhydrylase ( metY ) which adds a thiol group to an activated homoserine ester O-succinylhomoserine sulfhydrylase ( metZ ) which adds a thiol group to an activated homoserine ester in the reverse transsulfurylation pathway for cysteine biosynthesis: Cystathionine -lyase (no common gene name) which joins an activated serine ester (acetyl or succinyl) with homocysteine to form cystathionine Not Cystathionine -synthase which is a PLP enzyme type II cysteine biosynthesis from serine: O-acetyl serine sulfhydrylase ( cysK or cysM ) which adds a thiol group to an activated serine ester methionine degradation: Methionine gamma-lyase ( mdeA ) which breaks down methionine at the thioether and amine bounds Note: MetC, metB, metZ are closely related and have fuzzy boundaries so fall under the same NCBI orthologue cluster (COG0626)

Ive also witnessed their attitudes around women mutate into misogyny and chauvinism
The sermorelin vs ipamorelin comparison matters because each peptide works through a different pathway, offers different benefits, and suits different goals