The good news is that effective, proven options for what you're actually feeling absolutely are
Intramuscular injections of vitamin B12 are widely used as a standard treatment for vitamin B12 deficiency
A common general approach is to reconstitute a 10MG vial with 2mL of bacteriostatic water, yielding roughly a 5mg/mL stock solution that can be further diluted according to a labs protocol
As we age (and even due to stress, lifestyle, and environmental factors), the body experiences: Declining NAD+ levels leading to low energy and brain fog Slower cellular repair causing prolonged recovery and inflammation Reduced collagen production contributing to aging skin and tissue breakdown This is why you may notice: Chronic fatigue or burnout Slower workout recovery Joint discomfort or inflammation Dull skin, fine lines, or thinning hair This isnt just agingits cellular inefficiency
Of course, more research is needed to confirm or deny this, but the dose does appear promising for those particular groups of people