Consequences of NRP1 hijack The SARS-CoV-2 S-protein could hijack NRP1 signaling and directly affect VEGF-A-mediated pain
Back to Blog
How This Program Works| The Vitamin B12 Program is designed to support biological pathways involved in energy metabolism and cellular function
PatchMD is the oldest transdermal supplement brand in the category (they also sell B12 patches, multivitamin patches) and positions their "GLP-1 Support Patch" as part of a wellness lineup, not a standalone weight-loss product
* The effect of oral cobalamin treatment in patients presenting with severe neurological manifestations has not yet been adequately documented

FDA's 2026 GLP-1 Warnings: 990 Reports and What They Mean for JoinSkinny Patients FDA has published ongoing warnings about compounded GLP-1 products generally: Dosing errors from measuring doses out of multi-dose vials Use of salt forms (like semaglutide sodium) that haven't been proven safe or effective Adverse events, including hospitalization in some cases As of May 31, 2026: 990 adverse-event reports tied to compounded semaglutide, and more than 730 tied to compounded tirzepatide - FDA notes these reports may be incomplete and don't, by themselves, establish that a compounded drug caused the reported event On April 30, 2026: FDA proposed excluding semaglutide, tirzepatide, and liraglutide from the 503B bulks list - a move that would close the main legal pathway for large-scale outsourcing-facility compounding of these drugs absent a shortage, with a public comment period that ran through June 29, 2026 These are industry-wide regulatory developments, not findings against JoinSkinny or any specific pharmacy named in this article
