can you give yourself a b12 injection Instruction Guide for Intramuscular (IM) Self-injection of Methylcobalamin 1mg/5mg B 12 Shots | Vitamin

Safety is our top priority

doi: 10.3389/fonc.2022.894744 Received 12 March 2022 Accepted 29 April 2022 Published 09 June 2022 Volume 12 - 2022 Edited by Ubaldo Emilio Martinez-Outschoorn, Thomas Jefferson University, United States Reviewed by Fumiaki Uchiumi, Tokyo University of Science, Japan

In most cases, yes

Skin Rash A mild rash can sometimes occur after receiving a B12 shot

Too much NNMT can lower levels of NAD+, leading to weaker muscles and poorer muscle function as you age

Thus, there is a critical need for more effective pharmacological interventions that improve long-term management of obesity and its comorbidities.[11] Recently, nicotinamide-N-methyltransferase (NNMT) has emerged as a novel mechanism-of-action target in the adipose tissue to treat obesity and associated T2D.[1215] NNMT is a cytosolic enzyme with a newly identified role in modulating cellular energy homeostasis by jointly regulating nicotinamide (NA) and S-(5-adenosyl)-L-methionine (SAM) flux within the critical intracellular nicotinamide adenine dinucleotide (NAD + ) salvage pathway and methionine cycle, respectively.[15] NNMT expression is upregulated in the white adipose tissue (WAT) of obese and diabetic mice[12] and has significantly higher activity in the WAT compared to its activity in the brown adipose tissue, liver, and lungs of diet-induced obese mice.[16] Furthermore, plasma levels of the NNMT reaction product 1-methylnicotinamide (1-MNA) correlate with adipose NNMT expression, individuals body mass index (BMI), and waist circumference, suggesting the target to be clinically relevant.[13, 14] Importantly, mice fed a high-fat diet and treated with antisense oligonucleotides (ASOs) that reduced adipose NNMT expression were protected from diet-induced obesity (DIO) and showed reduced adiposity compared to control animals.[12] Using structure-guided design and binding calculations, we recently generated potent small molecule NNMT inhibitors around a methylquinolinium (MQ)-scaffold.[17] In the present study, we extend these findings to show that the small molecule NNMT inhibitors are highly membrane-permeable, selective inhibitors, which reduce intracellular 1-MNA levels and prevent lipogenesis in vitro