The strongest support comes from clinical evidence focused on treating vitamin B12 deficiency, not from general wellness claims What science supports The NIH Fact Sheet for Health Professionals shows that intramuscular B12 injections are effective at raising blood B12 levels and correcting deficiency
Other GLP-1 and dual-agonist agents, including tirzepatide, are also in wide use, though not every GLP-1 on the market carries an FDA weight loss indication
Conclusion The troubleshooting process is not just about fixing mistakes
Further investigation of various plant-derived matrices, including soy protein isolate, pea protein isolate, pumpkin seed protein isolate, rice protein isolate, almond protein isolate, and a self-prepared gluten sample from wheat flour, revealed ubiquitous presence of traces of cobalamins in foods