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This is due to the hydrophobic nature of isoleucine and alanine, which leads to a less soluble peptide that adopts an equilibrium of monomers, trimers and tetramers, whereas A 140 is mostly monomeric (Chang and Chen, 2014)
If reflux persists, medical evaluation is warranted
Three questions are worth carrying over to the next unlicensed peptide somebody markets to you
These likely include the matrix metalloproteases MMP2 and MMP9, whose expression upregulates following LEC injury, potentially leading to cleavage of the LAP protein to release active TGF (49, 173, 227, 228)
[1] By normalising homocysteine levels, B12 supplementation may reduce this toxic burden and support nerve recovery