Inability of your body to react to insulin is a key cause for the incidence of type 2 version of diabetes
Weight of evidence: Overall evidence is Low-Moderate: multiple animal studies and a growing number of small clinical trials suggest benefits across gutbrain signaling, social and behavioral domains, gastrointestinal symptoms, and neurophysiological patterns, yet most human studies rely on caregiver-reported outcomes, lack biomarker integration, and seldom control for diet, comorbidities, or baseline microbiome composition
If you are not deficient, a B12 injection does not add measurable energy or speed up weight loss
Then theres the blood sugar factor
[Abstract]2025 Jul 29;16(1):6964
Triple-action peptide concept