Deficiency of vitamin B12 is a condition in which the body doesn't make enough red blood cells and does not receive enough Vitamin B12, per the National Health Service (NHS)
However, other situations are due to a persons poor habits
Its anabolic and growth-promoting effects are largely indirect, primarily via stimulation of hepatic IGF-1 production, whilst its direct metabolic effects, particularly those related to lipid metabolism and adipose tissue regulation, are believed to be mediated by specific domains within the GH molecule itself
Symptoms of Low Vitamin B12 Levels You can tell if your vitamin B12 levels start to taper off or become low if you start feeling any of the following symptoms
Because the pancreas provides critical enzymes, as well as calcium required for vitamin B 12 absorption, pancreatic insufficiency may contribute to vitamin B 12 deficiency