Deficiency in vitamin B12 is also associated with disproportionate fetal growth (low muscle mass and excess fat mass), increased insulin resistance, intrauterine growth restriction, and lifelong susceptibility to certain chronic diseases
This could include itchiness, a rash, hives, chest tightness, shortness of breath and swelling of the throat, lips, mouth or tongue
According to the National Academies of Sciences, Engineering, and Medicine (NAP), a safe highest level is called the tolerable upper intake level. Assessment of what amount is too much is based on animal and human studies, published evidence of adverse events, and professional agreement based on a committee of experts
Semaglutide, tirzepatide, and liraglutide are FDA-approved GLP-1 peptides that are clinically safe and effective for diabetes and weight management