The best approach: do nothing
The human body does not produce vitamin B12, so it must be obtained from food sources or supplements
Though the exact onset of these effects will vary depending on your age and physicality, you can expect them to follow this timeline: Within 4-6 weeks , with regular resistance training, you ought to notice a more defined muscular contour, speedier recovery between workout sessions, and perhaps some reduced body fat
This is consistent across the GLP-1 class semaglutide and tirzepatide users report the same pattern
10.1111/j.1365-2036.2010.04422.x Summary Keywords aprepitant, domperidone, erythromycin, functional dyspepsia, gastroparesis, ghrelin, prucalopride, relamorelin Citation Camilleri M and Atieh J (2021) New Developments in Prokinetic Therapy for Gastric Motility Disorders