Both are important in the weight loss conversation, but they are different
Int J Obes Relat Metab Disord (1998) 22(9):83641.10.1038/sj.ijo.0800669 175 YakarSSetserJZhaoHStannardBHaluzikMGlattVet alInhibition of growth hormone action improves insulin sensitivity in liver IGF-1-deficient mice
Intrinsic factor is only made in the stomach and after a gastrectomy there is little to no more of it or gastric acid, and the active mechanism in the body where B12 is absorbed is either less available or not available at all depending on if the surgery was a total or a part of a gastrectomy
Most individuals continue treatment successfully, achieving improved blood sugar control and weight management
Something to keep in mind is that temperature and length of sauna sessions are connected, so increasing one might require a decrease in the other
GLP-1 and GIP both influence metabolic signaling, appetite regulation, insulin response, and energy balance