As for injections, without obvious signs, then who knows
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This means even people with a B12-rich diet can fall short as they get older
The molecule has been studied in animal models of adipose-tissue metabolism, with published preclinical work examining its effects on NAD+ pool dynamics and on the methyl-donor balance NNMT regulates
This interacts with the HPA axis your body's central stress-response system in a straightforward way: when you're physically exhausted and neurologically compromised, cortisol stays elevated longer, recovery from stressful events takes more time, and the subjective experience of stress intensifies
Thus, people consuming plant-based diets are at an increased risk of suffering from a deficiency of this vital nutrient