does vitamin b12 injections have side effects Benefits of Shots Vitamin B12 Injections: What You

The label on your vial is always the final word, but here is the general picture and why it matters

This enzyme is required for the synthesis of the amino acid, methionine, from homocysteine

Faster recovery: Reduced post-exercise soreness and quicker return to baseline after high-intensity training

Studies that used 1 mg/day in oral and intravenous trials did not show meaningfully better outcomes than lower doses, and higher doses were associated with more reports of headache, diarrhea, and gastrointestinal effects

(PubMed) Kuzminski AM, Del Giacco EJ, Allen RH, Stabler SP, Lindenbaum J

Still, anyone with significant heart disease, uncontrolled hypertension, or history of cardiac events should consult their cardiologist before using any research compound