This helps reduce overall calorie intake, leading to weight loss
Food any food in your stomach slows the alcohol absorption rate and lowers BAC
While its main function is to carry out cellular respiration, a process that converts nutrients from food into ATP, there are many other functions mitochondria perform, including metabolic signaling, calcium regulation, autophagy (cellular clean-up) and apoptosis (cell death), neurogenesis (growth of new nerve tissue) and neuronal plasticity (aka neuroplasticity- our brains ability to grow and adapt), as well as the synthesis of other molecules (especially those in the immune system)
If you have a temporary deficiency or increased requirement (say, after a surgery or during recovery from an acute illness), you might only need a short course, perhaps a few weeks of injections, until your vitamin levels normalize or you can meet your needs by mouth again