b12 injection side effects Why do I feel worse after a injection? Side Effects of Vitamin B12

However, certain groups may be at greater risk for this problem, including: Vegetarians Vegans Older adults People with digestive problems Signs of a B12 deficiency include fatigue, anemia, muscle weakness, nerve problems, mood disturbance, and intestinal problems

The question most people are really asking is simple: does B12 give you energy

Include specialized mitochondrial function assessments (citrate synthase activity, mitochondrial DNA content, or high-resolution respirometry) if available to confirm NAD+-dependent mitochondrial enhancement

What are symptoms of B12 deficiency

Vitamin B12 Injection Vitamin B12 plays a key role in energy production, red blood cell formation, and nerve function