So are B12 shots the answer to restoring health in those with low levels
B12 injection at home is entirely feasible for both subcutaneous and intramuscular routes
Human evidence for precursors is mixed: some trials report good safety, but metabolic endpoints such as insulin sensitivity have not consistently replicated in people
For pre-filled pens or auto-injectors, follow the manufacturer's instructions to prepare the device for injection
It is uncommon for most people to be B12 deficient, but the elderly, vegetarians and those infected with HIV are most at risk
For those who dont consume animal foods, such as vegetarians and vegans, there are plant-based sources of vitamin B12 available, including nutritional yeast, fortified foods, cereals, mushrooms, and certain types of algae