b12 injections in pregnancy during The effects of vitamin B12 supplementation pregnancy and postpartum on growth Vitamin B12 Injection: Energy Boost
Description
Combined NNMT inhibition and lean-diet substitution improves adiposity and body-composition endpoints in DIO mice

Preclinical studies indicate that NNMT knockdown or inhibition can protect against diet-induced weight gain and improve metabolic parameters without reducing food intake [5] [6]
Anyone quoting you a clean 95% oral bioavailability number for humans is repeating a marketing figure, not something from the literature

Overexpression of NNMT has been linked to obesity, insulin resistance, and impaired NAD metabolism
