Vitamin B12
What is vitamin B12?
Vitamin B12 is a nutrient that helps keep the body's nerve and blood cells healthy. It also helps prevent a type of anemia that makes people tired and weak.

What happens if I have a deficiency in B12?
People who don't get enough vitamin B12 can have many symptoms. Some of these are tiredness, weakness, memory loss, constipation, loss of appetite, weight loss, and anemia. Nerve problems such as numbness and tingling in the hands and feet can also occur.

What happens if I have excess B12?
Vitamin B12 has not been shown to have any adverse effects in high doses.

 

Source: http://ods.od.nih.gov/factsheets/VitaminB12-QuickFacts/

Disclaimer: This website provides information that should not take the place of medical advice. We encourage you to talk to your healthcare providers about what may be best for your overall health.