Phentermine and Topiramate
The lack of vitamin B12 may result from any of the following conditions: Addisonian (pernicious) anemia this condition causes autoantibody formation against parietal cells, which results in a lack of IF essential for absorption of vitamin B12 from the intestine Malabsorption impaired absorption of vitamin B12 Gastrointestinal pathology, dysfunction, or surgery these include atrophic gastritis, celiac disease, small bowel bacterial overgrowth, pancreatic insufficiency, Helicobacter pylori infection, gastric carcinoma, and total or partial gastrectomy Diphyllobothrium latum and related species (the fish tapeworm) infestation these parasites compete with vitamin B12 for intestinal absorption

As an analog of endogenous growth hormone-releasing hormone (GHRH), tesamorelin boasts a metabolism-stimulating activity that has led to its being approved as a treatment for lipodystrophy, or abnormal adipose fat accumulation associated with antiretroviral therapy for HIV.3 But this same activity can help non-HIV individuals shed abdominal fat of their own, while the peptides GHRH properties make it a suitable therapy for people looking to increase their lean mass
Retatrutide also produces substantially larger weight loss in trials than semaglutide
Fibromyalgia: pathogenesis, mechanisms, diagnosis and treatment options update