Grossman, MD, has over 40 years of experience in anti-aging and regenerative medicine
This may be because zinc is indispensable in maintaining normal immune function
Glutathione deficiency contributes to oxidative stress (inflammation), which plays a key role in aging and the pathogenesis of many diseases including (but not limited to)
However, more evidence is needed to support this specific relationship along with further studies directed towards the effects of modulating levels of GSH on immune cell activity and programming in the CNS
It gets attached to him by association: tesamorelin is a growth-hormone-releasing hormone analog in the same broad category as ipamorelin, the GH secretagogue he did name on Flagrant, so roundups of "Joe Rogan peptides" tend to sweep it in
Lorenz E, Schmacht M, Senz M (2016) Evaluation of cysteine ethyl ester as efficient inducer for glutathione overproduction in Saccharomyces spp