Emerging preclinical evidence points toward possible roles in neural recovery following traumatic brain injury, stroke, and peripheral nerve injury
Its known primarily for its regenerative and anti-inflammatory effects , particularly on soft tissue, tendons, ligaments, the gut lining, and nervous system
It is then perfectly fine to give Vitamin B12 along with a meal of one's choice that has minimal fats since fat slows the absorption of water-soluble vitamins

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
How often IV B12 is given can vary from weekly to monthly, depending on how the patient responds and the reason for the deficiency
But you can reduce your risk by being aware of medical conditions, treatments and activities that may affect your bodys ability to absorb vitamin B12