The best option depends on why B12 is needed
Daily movementeven 2030 minutes of walking after mealsstimulates intestinal activity and can significantly reduce constipation severity
Age, sex, BMI, glycated hemoglobin (HbA1c), systolic blood pressure (SBP), and lipid levels were derived from trial data
Evidence from Clinical Trials on Weight Loss and Body Composition Liraglutide-based clinical evidence from the SCALE (Satiety and Clinical Adiposity-Liraglutide Evidence) trials (NCT01272219 and NCT01272232), which included older adults within the adult study population, reported that a 56-week intervention with liraglutide 3 mg/day as an adjunct to lifestyle modification resulted in significant weight loss compared with placebo [41, 42]
it is too soon to tell if this is because of the skinny shots but I am pleased so far
doi:10.1016/j.path.2009.08.005