b12 injections after gastric bypass Bariatic Vitamin Deficiency: and Vitamin C Supplements in Weight Loss Patients: IVFusionMD: IV Vitamin Infusion The Effects of Bariatric Surgery

It's a function of the peptide's pharmacokinetics and the enzyme it targets

NAD+, MOTS-C, and 5-Amino-1MQ are studied across overlapping laboratory models involving mitochondrial function, cellular energy regulation, metabolic signaling, redox biology, and cellular stress-response systems

Neurodegenerative diseases Similar to muscle diseases, neurodegenerative conditions present altered mitochondrial homeostasis and NAD + metabolism, which have been thoroughly investigated as targets for NAD + modulation-based approaches 13,268,269

So it may be good to check your homocysteine and MMA levels at least once, even if you take vitamin B12 supplements, just to avoid any unpleasant surprises