[2], [4] Retro-inverso peptides (also referred to as D-retro-inverso or DRI peptides) are specially engineered molecules in which the amino acid sequence is reversed and composed of D-amino acids, which are mirror images of the naturally occurring L-amino acids
This is not an oversightit is by regulatory design
doi: 10.1016/j.metabol.2015.12.012 2 YounossiZMKoenigABAbdelatifDFazelYHenryLWymerM
C-Terminal Amidation (-NH2) C-terminal amidation helps protect the peptide from carboxypeptidase-mediated degradation, increasing overall molecular stability
Every day, the body is exposed to free radicals produced through normal metabolism, environmental pollution, ultraviolet (UV) radiation, and lifestyle factors
The carnitine squad There are several types of carnitine