Vitamin B12 is an essential water-soluble vitamin that plays a role in many bodily functions, DNA production red blood cells nerve cells Without vitamin B12, a person may feel tired and weak due to megaloblastic anemia
B12 deficiency is common in people who follow a vegetarian or vegan diet
for people with normal B12 levels, extra B12 is simply excreted by the body and has no measurable effect on weight
Research has confirmed no significant effects on serum IGF-1 levels, no negative effect on carbohydrate metabolism, and no immunogenicity with no anti-AOD-9604 antibodies detected in any participants
Possible side effects include mild nausea, headaches, and injection site reactions
No tolerance development to the lipolytic effects was noted in these studies, suggesting that unlike beta-2 agonists (which rapidly desensitize their receptors), beta-3 receptor activation may not produce the same downregulation pattern