can vitamin b12 injections cause weight gain Will a Deficiency or Weight Loss? Does B12 Injection Increase Weight

Various secondary alkyl halides are then readily attacked by the modified B 12s to give the corresponding stable cobalamin analogs

Vitamin B12 & B Complex Injection at OneMedicine (Birmingham) Power Up Your Day What It Is A vitamin B12 injection (1000 mcg), with the option of a vitamin B complex injection, administered intramuscularly for reliable and rapid absorption

As a general rule, IM is favored when the goal is rapid correction of a clinical deficiency, when the patient has difficulty absorbing B12 through oral or sublingual routes, or when a provider wants predictable peak serum levels

Ascorbic acid injection: Dosage and administration

JCI Insight 2 , e88735 (2017)