05/25/2026
Vitamin B12 plays a big part in your health, and may support eyes, bones, skin, and the brain.
It also supports the function of nerve cells and is needed for red blood cell formation and DNA synthesis.
Vitamin B12 is essential, however the body does not produce it.
It’s found naturally in animal products, added to certain foods, and available in supplement or injection.
Symptoms of a deficiency include:
Fatigue
Muscle weakness
Nausea and diarrhea
Weight loss
Mood changes
Depression
Trouble walking
Increased heart rate
Numbing or tingling in hands and feet
Sore mouth or tongue
If you think you may be at risk for a vitamin B12 deficiency, speak with your pharmacist or healthcare provider today to determine if a supplement may be right for you.