The Clinical Evidence STEP 1 [1] (N=1,961, NEJM 2021, DOI: 10.1056/NEJMoa2032183): 14.9% mean weight loss over 68 weeks
It found that B12 deficiency was higher in vegans than vegetarians and that vegetarians report B12 deficiency irrespective of their demography, where they live, their age, and the type of vegetarian diet they eat
Consuming alcohol during this time will halt this process and can cause blood sugar levels to stay at an unhealthy level
Lipo B12 is generally well-tolerated
Results for fat metabolism and energy are less reliable and may take longer to appear
However, they are not a substitute for professional medical advice, diagnosis, or treatment