best time to inject b12 of day take vitamin injection Shots at Home: How, Where & How Often Yourself Vitamin B-12 Intramuscular Injection — – Vitamin B12 Injection: Complete Guide

Without enough B12, you might feel tired, have nerve problems, or face serious health issues

Consult your doctor before starting, and tell them about any pre-existing conditions or other medicines you take

Read our detailed breakdown of how fast semaglutide works for a week-by-week timeline

What are the signs that my B12 injection schedule needs adjustment

Neurological symptoms often develop gradually and may include: Paraesthesia : tingling or 'pins and needles' sensations, typically starting in the feet and hands Numbness : reduced sensation in the extremities, which may affect balance and coordination Burning pain : particularly in the feet, often worse at night Weakness : muscle weakness and difficulty walking Balance problems : unsteady gait and increased fall risk due to proprioceptive impairment Cognitive changes : memory problems, confusion, difficulty concentrating, and mood disturbances Haematological signs may accompany neurological symptoms and include fatigue, weakness, pallor, and shortness of breath due to megaloblastic anaemia