Vitamin B12 Injection Single Dose Vial B12 Injections Update: Skin Breakouts Explained Feeling low on energy? Your body might be telling you something. Vitamin B12 is essential for energy, mood, and brain function. If you're experiencing fatigue, weakness, or brain fog, a B12 injection Vitamin B12 Injections: Boost Energy & Support Weight Loss ME 12 Injection Uses, Dosage, Side Effects, Price, Composition Practo Now offering B12 injections! Available as a cash pay service for $25 at all Springfield locations. Stop in and ask our clinical team today!