what's glutathione Glutathione: Benefits and Supplements S-Acetyl L-Glutathione

In the anabolic methionine cycle, niacin, in the form of NAD, is a necessary co-factor for the enzymes dihydrofolate reductase in the folate/tetrahydrobiopterin cycle and S-adenosylhomocysteine hydrolase (1)

A transcriptional shift is not the same thing as a young cell

TB-500 is a synthetic fragment of thymosin beta-4 and is studied from a different angle cell migration, actin regulation and angiogenesis

however, 4 M KOH was used during the GSH synthesis phase

There's no known direct interaction, but cleaner spacing makes it easier to attribute any effect (or side effect) to the right molecule when you're self-experimenting