Injections bypass your digestive system entirely, so your body gets what it needs regardless of what's going on in your gut
The study supported the premise that the lipolytic signaling region of growth hormone could be isolated and used independently of the somatogenic and diabetogenic domains

Food & Drug Administration (2025) Ozempic, DailyMed (2025) Wegovy, DailyMed (2024) Once-weekly semaglutide in adults with overweight or obesity, New England Journal of Medicine (2021) Vitamin B12, National Institutes of Health Office of Dietary Supplements (2024) Vitamin B12 injections: What they can and cant do, Cleveland Clinic (2024) Once-weekly semaglutide administered after laparoscopic sleeve gastrectomy: Effects on body weight, glycemic control, and measured nutritional metrics in Japanese patients having both obesity and type 2 diabetes, Obesity Pillars (2024) Inverse association between serum vitamin B12 concentration and obesity among adults in the United States, Frontiers in Endocrinology (Lausanne) (2019) Medically accurate: SingleCares Medical Review Board analyzes all of our content to confirm its in line with current medical advice

Some preliminary research also suggests potential benefits for cartilage and joint health, though this application requires further clinical investigation
The responsible approach in 2025 dictates that any advanced health optimization strategy, particularly one involving novel combinations, must be guided by scientific evidence and robust medical oversight