Understanding Vitamin B12 Deficiency Vitamin B12 deficiency occurs when your body lacks enough of this essential nutrient, leading to symptoms like: Persistent fatigue Weakness and lightheadedness Numbness or tingling in hands and feet Memory problems and difficulty concentrating Mood changes, including irritability and depression Certain factors increase your risk, such as age, certain medications, digestive conditions, and restrictive diets
This property is essential for the compound to exert its metabolic effects
Mor and D Kenley (2014)
How are injections administered
By Alaiyka Parvez Owner, CoLaz Aesthetics Clinic The short version Most people feel more energetic after a B12 injection, but a minority feel briefly worse for a day or two, and that is usually harmless
Liver Disease: Individuals with liver disease may have impaired vitamin B12 metabolism, and injections may need to be closely monitored