When NNMT is overactive, it consumes S-adenosylmethionine (SAM) and reduces levels of nicotinamide adenine dinucleotide (NAD+), a critical coenzyme involved in cellular energy production
Individuals looking to enhance their weight loss efforts may consider getting B12 shots, particularly if they experience low energy or find it difficult to stay active
Below, we explain what vitamin B12 is, how B12 shots may support weight loss, what to expect before and after treatment, and why so many patients explore this option as part of a broader plan
He will also ask about any underlying health conditions that can impact B12 absorption, such as digestive disorders (like Crohns disease or celiac disease), past surgeries (including gastric bypass), or dietary patterns common in families, such as vegetarian or vegan diets
Limited human clinical data