{
  "id": 19868321,
  "title": "GLP-1s often contain untested additive combinations, study finds",
  "url": "https://urgent.news/2026/11/13/glp-1s-often-contain-untested-additive-combinations-study-finds",
  "topic": "science",
  "section": "Science",
  "published": "2026-11-13T21:00:01.000Z",
  "source": {
    "name": "Medical Xpress",
    "slug": "medical-xpress",
    "url": "https://medicalxpress.com/news/2026-11-glp-1s-untested-additive-combinations.html"
  },
  "original_language": "en",
  "account": null,
  "summary": "Use of GLP-1 receptor agonist medications (GLP-1s) has skyrocketed in recent years, and many people are using \"compounded\" GLP-1 products: medicines that include GLP-1s as well as other active substances, some of which are not regulated by the FDA. A new study found that compounded GLP-1s now make up a large majority of weight-loss medicines, commonly containing vitamin B12 analogs that have not…",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}