They describe what people believe they experienced, not what the compounds reliably do
But there are also companies that have fake certificates of analysis, anything that's super cheap, you know, that you can produce dirty peptides very cheaply and they will, they can cause lifelong issues
Brigham and Womens Hospital is one of very few places in the world where this treatment is available
Vitamin E, salmon oil, arginine, and yeast-derived nucleotides have been reported to promote lymphocyte proliferation and function, but studies proving actual clinical efficacy in naturally aged cats are lacking [121, 122]
10.31925/farmacia.2021.6.10 Farmacia 44 GivlerD.GivlerA.LutherP.WengerD.AhmadzadehS.ShekoohiS.et al (2023)
NAION also has the advantage (from a litigation standpoint) of being sudden and severe, often permanent partial or total vision loss in one eye