Skin lesions and mucosal ulcers were reported in patients with less than 7 days of consumption, while more severe toxicity such as leukopenia, thrombocytopenia, and anemia were more common in those exposed to more than 7 days of consumption (Ahmadzadeh et al., 2019)
Agents in this group include antioxidants (vitamin E), tumor necrosis factor pathway regulators (emricasan, pentoxifylline, ZSP1601), and immune modulators (cenicriviroc, belapectin)
Rauhut D, Gawron-Scibek M, Beisert B, Kondzior M, Schwarz R, Krbel H, Grossmann M, Krieger S: Impact of S-containing amino acids and glutathione on growth of Oenococcus oeni and malolactic fermentation
But these seem to just be fear-mongering or unsubstantiated claims, possibly fueled by a website error that forced them to change their domain
LeoLab RX , established in 2018, maintains a more focused catalog centered around high-demand peptides