Specifically, the muscle injected is known as the vastus lateralis
Who Should Consider B12 Supplementation
The effectiveness period of these injections varies based on individual factors and metabolism rates, and may last between one to two weeks in the system [12]
[9] In practice, Frag 176-191 is typically dosed at 250-500 mcg, administered 2-3 times daily on an empty stomach, as circulating nutrients blunt its action
[1] Bruises may be par for the course with injections, but there are few ways you can potentially dial back this annoying side effect
Despite its abundance in many foods and availability as oral supplements, a B12 deficiency is relatively common, leading many to seek more direct absorption methods like Vitamin B injections