can b12 injections cause nausea Why do I feel worse after a injection: causes explained B12 Shots: Vitamin B12 Injections

Symptoms of vitamin B12, or folate, deficiency can include fatigue, lethargy, low mood, shortness of breath, and nerve problems

NNMT has been explored as a target in obesity, insulin resistance, and age-related metabolic decline, supporting the rationale for translational research into body composition and performance contexts (Kannt & Pfenninger, Frontiers in Physiology )

Some conditions that can cause this vitamin B12 deficiency include: Atrophic gastritis, an inflammation of the stomach Surgical removal of part of the stomach or intestines Conditions that affect your intestine's ability to absorb nutrients, such as Celiac disease Pancreatic insufficiency Alcoholism Acquired immune deficiency syndrome (AIDS) Some people who don't have enough of a protein called the "intrinsic factor" also have a vitamin B12 deficiency

B12 Injections can help improve memory, lack of focus, energy, emotional stability, female fertility, low testosterone for men, digestive issues, hypothyroidism, red blood cell formation, metabolism, and its also helpful for nerve and brain regeneration

This depends on your deficiencys severity, health, and how you respond to treatment