why do people inject b12 Vitamin Injections: What You Need To Know Feeling worse after B12 Injection:

Keep in mind that B-complex supplements can contain eight water-soluble vitamins, including: B1 (thiamine) B2 (riboflavin) B3 (niacin) B5 (pantothenic acid) B6 (pyridoxine) B7 (biotin) B9 (folate/folic acid) B12 (cobalamin) Tips For Safe Supplementation 1

A B12 shot is an intramuscular injection that delivers vitamin B12 directly into muscle tissue, bypassing the digestive system

Code: E53.8 Description: Deficiency of other specified B-group vitamins Application: Comprehensive coding solution for deficiencies in B group vitamins other than Vitamin B12

Coskun T, Sloop KW, Loghin C, et al

Conversely, isoniazid and pyrazinamide (tuberculosis drugs) are structural analogs of niacin that can interfere with niacin metabolism, potentially precipitating pellagra in rare cases