The landscape for compounded weight loss medicines is changing rapidly
While B12 is often marketed as an energy booster, there is no scientific evidence that excess B12 improves metabolism or energy levels in people who already have adequate levels
Common reasons for deficiency include: Low intake particularly diets low in whole grains, legumes, leafy greens or animal products Gut health issues like low stomach acid, SIBO, coeliac disease, IBD, or other factors affecting absorption Medications such as the contraceptive pill, metformin or antacids, which can deplete B vitamins Chronic stress increases demand for certain b vitamins, including B5 and B6 Vegan or vegetarian diets higher risk of B12 deficiency, which can be corrected through supplementation Genetic reasons some mutations on certain genes can increase a persons need for B vitamins This is why I always recommend testing before supplementing

(2000), Horm Res 53(Suppl 3), PubMed 10971106 Statistics from preclinical literature AOD-9604 = modified fragment of hGH 177191 + N-terminal Tyr (sequence Tyr-Leu-Arg-Ile-Val-Gln-Cys-Arg-Ser-Val-Glu-Gly-Ser-Cys-Gly-Phe), molecular weight 1815.1 Da Developed at Metabolic Pharmaceuticals (Australia) based on the work of professor Frank Ng (Monash University) in the 1990s Standard experimental dose in obesity clinical trials: 1 mg/day subcutaneously (Phase 2b, Heffernan et al.) Mechanism: stimulation of 3-adrenergic receptors in adipose tissue, increased lipolysis and fatty acid oxidation without activation of the hGH receptor (no IGF-1 increase) Phase 2b clinical trial (2007, 300 patients): weight reduction ~2.8 kg vs placebo over 12 weeks FDA status: NDI rejection (2014) as a dietary supplement
Whether that edge is noticeable depends on your starting point, your diet, and how your body responds
Approximately 15-20% of users experience significant changes in bowel habits