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doi: 10.1182/blood-2003-05-1408
Mucus as barrier for drug delivery by nanoparticles

The most probable scenario is that compounding pharmacies would be permitted to produce certain peptides under FDA oversight, allowing licensed health-care professionals to prescribe them. This would be similar to what happened with semaglutide, the active ingredient in GLP-1 medications like Ozempic, he says

This peptide has not been approved by the FDA, Health Canada, or any other regulatory authority for medical or therapeutic use

Mitochondrial biogenesis and dynamics in the developing and diseased heart
