Certain peptides up for review by the FDA, like BPC-157, are marketed for tendon healing, gut healing (in cases like ulcerative colitis), injury recovery and inflammation reduction, although the FDA has warned about the risk of unapproved peptide treatments
If glutamine is a building block, glutathione is the "Master Antioxidant." Unlike glutamine, which is a single amino acid, glutathione is a tripeptide
Now for the last 15 years, we've been able to do gene testing
Begin with every other day (or only 2-3x per week) and work up to daily applications
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Fan J-C, Song J-J, Wang Y, Chen Y, Hong D-X