injections of b12 B-12 Vitamin Hydroxocobalamin (B12) Injection, 2mg/mL |

Increased heart rate is a commonly observed effect, typically averaging 2-4 beats per minute above baseline

Efficacy and Safety of Semaglutide for Weight Loss in Obesity Without Diabetes: A Systematic Review and Meta-Analysis

The temporal association with starting B12 supplementation may simply reflect chance occurrence rather than causation

For most people, the effects last about one to two weeks, though the exact timeline shifts based on your current B12 levels, metabolism, diet, and how often you get injections

It's obviously not practical to wash your hair every night, so just rinse your scalp if you can and towel it dry