glutathione and nad benefits Health advisers begin meeting Thursday to review more than a half-dozen peptides, unproven substances that have become a growing wellness trend despite little evidence they are safe or effective. https://to.pbs.org/4pCVDve NAD+ and Glutathione: The Power

Some researchers hypothesize that immunomodulatory peptides could enhance the tolerance-inducing effects of immunotherapy, though this has not been formally studied

That said, this was a 12-person pilot study without a placebo group, so treat it as encouraging early evidence rather than settled proof

F.et al (2021)

A meta-analysis of studies administering GH to healthy adult subjects demonstrate that it increases lean body mass and reduces fat mass without improving muscle strength or aerobic exercise capacity (130)

This could reduce B12 levels even when diet and digestion are optimal

[DOI] [PMC free article] [PubMed] [Google Scholar] 95.Chen Y., Yu Y., Qiao J., et al