After water and oxygen, vitamin B12 is the next essential micronutrient molecule vital for health
B12 is a water-soluble vitamin with a key role in the normal functioning of the brain and nervous system, and for the formation of blood
An Explanation of the Aging Process If youre over 40 and experiencing skin changes, low energy, metabolic shifts, slower recovery, or reduced focus, theres a biological explanation beyond mere chronology
Once absorbed, the body converts it into usable forms of B12 that support DNA synthesis, red blood cell production, and neurological function
But if your B12 is high without supplementation , it can be a marker for underlying conditions that require medical evaluation, including liver disease, kidney dysfunction, and certain cancers
The result is a vicious cycle where declining NAD+ leads to worse metabolic function, which can lead to weight gain, which increases NNMT activity further