fda warning letters compounded semaglutide october 2025 US warns online vendors to stop selling unapproved weight-loss drugs Compounded Semaglutide: Safety & Regulation

It is commonly used to manage neuropathic pain, numbness, tingling, nerve weakness, and symptoms linked with Vitamin B12 deficiency injection therapy

Antibiotics like fluoroquinolones have been associated with increased GI side effects in GLP-1 users, though the mechanism remains unclear

Dietary patterns associated with obesity often include lower intake of B12-rich foods like organ meats, shellfish, and fortified cereals

Pharmaceutical companies refined the approach, developing longer-acting versions based on modified human GLP-1

Compounded products from licensed 503A pharmacies follow USP standards for sterility and potency, and provider evaluation is a routine part of legitimate access to any compounded injection