2 In pernicious anemia, the deficient levels of vitamin B12 are due to the body lacking the intrinsic factor that forms a complex with vitamin B12 which allows absorption into the gut
Do not expose methylcobalamin to heat, moisture, or light
If you suspect you've experienced a side effect from a vitamin B12 supplement, you can report it through the MHRA Yellow Card Scheme (yellowcard.mhra.gov.uk)
The usual frequency for intramuscular doses of B12 shots is every 10 days, followed by maintenance doses at varying intervals
Human or veterinary use is strictly forbidden
However, B12 injections are not a treatment for insomnia, depression, or anxiety on their own