Neither peptide "stays local" both enter systemic circulation within minutes but local injection may give a higher first-pass tissue concentration before that dilution. Safe placement matters more than a perfect site: for hard-to-reach injuries (spine, deep hip), abdomen or thigh works
Pa 1976) 32 , 27972804 (2007)
Butyrate enhances the intestinal barrier by facilitating tight junction assembly via activation of AMP-activated protein kinase in Caco-2 cell monolayers
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albicans may also colonize existing pre-malignant lesions and promote the progression of cancer by mediating the synthesis of the potent carcinogen, N -nitroso benzyl methylamine, from the precursors, N - benzyl methylamine and nitrite, at the neutral pH of the oral cavity [52]