do vitamin b12 injections have side effects Injection Effects: What to Expect can vitamin b12 injections cause

Evaluation of production: type II collagen, aggrecan, MMP-13 (degradation enzyme), IL-1 response

[149] George Whipple, George Minot and William Murphy were awarded the Nobel Prize in 1934 for their work on the vitamin

A blood test is the only reliable way to determine whether B12 deficiency is causing fatigue

Vitamin B12 deficiency can occur through insufficient diet (e.g., un-supplemented veganism or absorption issues (e.g., pernicious anaemia) Treatment for B12 deficiency is regular intramuscular injections until symptoms improve

An intradermal skin test should be performed if there is a hypersensitivity risk