The differences matter more for older adults than for the general population
Certain conditions like polycythemia warrant caution
The NHS notes pain and itching at the injection site as common and self-limiting
There are capsules, creams, and nasal sprays
Other benefits include: Decrease in anxiety Improvement of quality of sleep Heart health support Immunity boosting Prevents osteoporosis Eases symptoms of morning sickness and decreases the risk of birth defects during pregnancy Reduces the risk of macular degeneration Additionally, vitamin B12 is one of the most important vitamins for hair, skin, and nail health, so another benefit of regular injections includes preventing hair loss and improving skin health and strength of the hair and nails
Oh and in the UK we use the spelling anaemia so it would be good if as part of your learning you also used that spelling when discussing UK based processes Understood, Ill remember to use the spelling anaemia when discussing UK-based processes