are b12 injections im or subq is an intramuscular injection Vitamin B-12 Shots Available Now at All SynergenX Locations Best Vitamin B12 Injection Sites:

These substances are prohibited in sports by the World Anti-Doping Agency

In many cases, switching from oral to intramuscular B12 circumvents absorption issues entirely, providing reliable therapeutic levels regardless of gastrointestinal factors or drug interactions

Symptoms that are severe, or that last more than a few days and are not improving

The MHRA views the technical skill and potential risks associated with self-injecting as a major contributing factor that prevents a switch

Other causes of B12 deficiency may be helped by increasing the vitamin B12 in your diet

The trace amount released during metabolism is far below harmful thresholds