allergy to glp 1 Dermal Hypersensitivity Reaction Semaglutide: Two Case Reports Impact of GLP-1 Allergic Reactions
Description
Clinical studies back this up, showing steady pharmacokinetic profiles with GLP-1 therapies
It does this by acting on the glucagon-like peptide-1 (GLP-1) receptor, which reduces fat cells and enhances fat breakdown

After 4 months of using a GLP-1 microdose, the level of energy improved significantly, her flare-ups reduced to once a month, and we are now tapering down the use of medication

3 - PMID 40934115 - Oral Semaglutide at a Dose of 25 mg in Adults with Overweight or Obesity, NEJM (2025)

I don't think the way the FDA has done this has been productive. The APC, which represents over 600 compounding pharmacies in the US, has sent a letter to the FDA urging it to use enforcement discretion and allow compounders an extended off-ramp to help transition patients
