The same is true if your blood work only shows signs of mild abnormalities: high levels of reticulocytes (immature red blood cells), homocysteine (an amino acid broken down by vitamin B12), or methylmalonic acid (MMA, a byproduct of amino acid breakdown) should subside after just a few vitamin B12 injection treatments
Leptin impairs metabolic actions of insulin in isolated rat adipocytes
Many people find that continuing with these injections, alongside a healthy lifestyle, helps them maintain their energy and metabolic support over time
Bisanz, J
Unlike fat-soluble vitamins (A, D, E, and K), which are stored in fat tissue for long periods, water-soluble vitamins are processed relatively quickly: your body takes what it needs, stores a small amount in the liver, and passes most of the rest in urine
Johnson TE et al