Just 8% of clinicians said they are "very confident" that nontraditional GLP-1 providers offer the oversight needed for appropriate medication management, according to a December 2025 Sermo survey
Bahnson JL, Knowler WC, Bantle JP, Bertoni AG, Bray GA, Chen H et al (2014) Effect of a long-term behavioural weight loss intervention on nephropathy in overweight or obese adults with type 2 diabetes: a secondary analysis of the Look AHEAD randomised clinical trial
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Abbreviations 5-HIAA: 5-Hydroxyindoleacetic acid 5-HT: Serotonin (5-hydroxytryptamine) BBB: Bloodbrain barrier BDNF: Brain-derived neurotrophic factor cAMP: Cyclic adenosine monophosphate CRH: Corticotropin-releasing hormone CRP: C-reactive protein DPP-4: Dipeptidyl peptidase-4 GABA: Gamma aminobutyric acid GLP-1: Glucagon-like peptide-1 GLP-1R: Glucagon-like-1 peptide receptor GLP-1RA: Glucagon-like-1 peptide receptor agonist HPA: Hypothalamicpituitaryadrenal axis Icv : Intracerebroventricular Ip : Intraperitoneal IL-1: Interleukin-1 beta IL-6: Interleukin-6 NF-B: Nuclear factor kappa-light-chain-enhancer of activated B cells NTS: Nucleus tractus solitarius PKA: Protein kinase A PPG: Preproglucagon PVN: Paraventricular nucleus SCFA: Short chain fatty acid T2DM: Type 2 diabetes mellitus TNF-: Tumor necrosis factor alpha VTA: Ventral tegmental area References Wang PS, Aguilar-Gaxiola S, Alonso J, Angermeyer MC, Borges G, Bromet EJ, et al

The evidence that is currently available is not sufficient enough to suggest that a lack of vitamin B12 has any significant or specific impact on weight, regardless of whether it causes weight gain or loss