For example, NAD+-dependent enzymes include the sirtuins (SIRT1-7), a family of protein deacetylases involved in gene expression, stress responses, and metabolic regulation, as well as poly(ADP-ribose) polymerases (PARPs) that assist in DNA repair
But certain groups tend to get little benefit from pills and are often better served by injections
It is also ideal for people with busy lifestyles who need a quick and effective way to stay energized
Combined with a healthy, diet and regular exercise, B12 injections enhance weight loss, helping you lose pounds and inches
In some instances, B12 and other vitamins may cause nausea if you take them on an empty stomach, or if you take more than what your body needs