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Since glutathione is a tripeptide (a small protein), the enzymes in your stomach and small intestine often break it back down into its individual amino acids before it can be absorbed as a whole molecule
The conversion of spermine to spermidine generates not only spermidine but also H 2 O 2 and 3-aminopropanal (3-AP)
Another compound, the tripeptide H-Lys-Phe-Lys-OH (Product: 4000074) linked to elaidic acid, was demonstrated to activate TGF-, a factor showing the capacity to increase collagen, elastin and TIMP-1 (tissue inhibitor of metalloproteinase 1) expression, and to inhibit MMPs via its lipophilic moiety, elaidic acid
The research showed that the peptide was well-tolerated by participants
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