# GLP-1s and Nutritional Deficiencies - Follow-up

Page: https://stenobird.com/podcast/weight-and-healthcare-6448206/glp-1s-and-nutritional-deficiencies-follow-up
Text version: https://stenobird.com/podcast/weight-and-healthcare-6448206/glp-1s-and-nutritional-deficiencies-follow-up.md
Podcast: [Weight and Healthcare](https://stenobird.com/podcast/weight-and-healthcare-6448206)
Published: 2026-04-18T17:00:00+00:00
Episode link: https://weightandhealthcare.substack.com/p/glp-1s-and-nutritional-deficiencies-57e
Audio file: https://api.substack.com/feed/podcast/193748160/63474260574a50c182e43aa511d00757.mp3
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JSON: https://stenobird.com/v1/public/podcasts/weight-and-healthcare-6448206/episodes/glp-1s-and-nutritional-deficiencies-follow-up
Duration seconds: 604

## Resource

Recently I wrote about research around GLP-1s and nutritional deficiencies. In summary, we looked at a study that showed that most of the clinical trials aren’t studying this at all , and that when studies do consider this there are concerning findings, and, finally, the implications of all this . I was recently contacted by a Chicago-area private practice dietitian (MS, RDN, LDN) who had, in fact, written a letter to the editor of the journal that published one of the articles I looked at in Part 2, Malnutrition is Common in Patients Utilizing Glucagon-Like Peptide-1 Agonists Prior to Total Joint Arthroplasty, published in the journal Arthroplasty Today. The letter made important points about the study itself (including the lack of a Registered Dietitian among the authors) as well as issues with the measures chosen and more. This is where I would link to the published letter, except that it’s not published. It was rejected, not on the merits of its arguments, but with a single sentence: “We appreciate your letter to the editor but I am not sure that we typically have registered dietician [sic] comment or collaborate on our research." Get full access to Weight and Healthcare at weightandhealthcare.substack.com/subscribe

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## Transcript

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