b12 injection training course for non medics Vitamin | CPD accredited Vitamin B12 Injections - Philadelphia

They are currently mainly used in scientific research and can be applied for health conditioning in some scenarios

Stuart (US authors) Very comprehensive with lots of case studies

However, its recommended that people who are pregnant or breastfeeding have 2.6 and 2.8 micrograms of B12 a day, respectively, per the NIH says

A lack of vitamin B12 can often lead to fatigue and weakness due to megaloblastic anemia a blood disorder that causes unusually large red blood cells (megaloblasts) and a lower red blood cell count, which results in a lower supply of oxygen to the body

If you wake up exhausted, hit an afternoon wall every day, or rely on caffeine just to function, your body may not be producing enough red blood cells to carry oxygen efficiently