By mimicking the natural incretin hormone GLP-1, these medications activate specific receptors throughout the body, triggering glucose-dependent insulin secretion, suppressing glucagon release, slowing gastric emptying, and modulating appetite centres in the brain
A 2009 review article about the safety of nanoparticles summarizes this, "to date, in-vivo and in-vitro studies have not demonstrated percutaneous penetration of nanosized particles in titanium dioxide and zinc oxide sunscreens"
For now, don't substitute one form of carnitine for another
doi: 10.3389/fnut.2021.748075 Received 07 August 2021 Accepted 11 October 2021 Published 08 November 2021 Volume 8 - 2021 Edited by Clelia Madeddu, University of Cagliari, Italy Reviewed by Sidney B
PloS One (2014) 9(6):e99835
The mechanisms by which amino acid metabolism regulates macrophage polarization in IBD are not confined to cells alone, and the abundant gut microbiota provide a basis for microbiota-cell metabolic interactions