how long will a b12 injection last Does Vitamin Shot Last? Effects, Duration & Frequency – DripGym Benefits of B12 Injections for

Arthur Heller, HealthTap There is also the risk of bacterial contamination, which increases as the B12 ages

In the UK, intramuscular hydroxocobalamin is the standard formulation due to its longer duration of action compared to cyanocobalamin

Do not reuse or share your syringes or needles with other people

Associations of maternal vitamin B 12 concentration in pregnancy with the risks of preterm birth and low birth weight: a systematic review and meta-analysis of individual participant data Am J Epidemiol 2017;185:212-23

Which method wins here really comes down to your personality: if you are disciplined and dislike needles, pills may suit you