Vitamin B12 deficiency
Most people in the  vitamin b-12 have had enough of this nutrient. If you're unsure, you can ask your doctor if you should have a blood test to check your vitamin B12 level.With age, it can become more difficult to absorb this vitamin. It can also happen if you have had weight loss surgery or another operation that removed part of your stomach, or if you drink a lot.

You are also more likely to develop a vitamin B12 deficiency if you have:

Atrophic gastritis, in which the stomach lining has thinned
Benefit of Ziverdo kit which makes it difficult for your body to absorb vitamin B12
Conditions affecting the small intestine, such as Crohn's disease, celiac disease, bacterial growth, or a parasite

Alcohol abuse or excessive alcohol consumption can make it difficult for your body to absorb nutrients or prevent you from getting enough calories. Best food for good sex  that you lack enough vitamin B12 can be glossitis or a swollen, inflamed tongue.
Immune system disorders, such as Graves' disease or lupus

I have taken some medications that interfere with the absorption of vitamin B12. This includes some heartburn medications, including proton pump inhibitors (PPIs) such as esomeprazole (Nexium), lansoprazole (Prevacid), omeprazole  pantoprazole (Protonix) and rabeprazole (Aciphex), H2 blockers such as cimetidine (Tagamet) and famotidine (Pepcid AC); and some diabetes medications such as 

Penis friendly food  also be deficient in vitamin B12 if you are on a vegan diet (which means you don't eat animal products, such as meat, milk, cheese, and eggs) or if you are a vegetarian and don't eat enough eggs or dairy products to meet your vitamin B12 requirement. Either way, you can add fortified foods to your diet or take supplements to meet this need. Learn more about the different types of vitamin B supplements.

Pregnant or new mother?
Are you a pregnant woman following a vegan or vegetarian diet and planning to only breastfeed your baby? You should speak to your doctor  lower blood pressure    before you have your baby, so you have a plan in place for how to get enough vitamin B12 to keep your baby healthy Without enough vitamin B12, your baby may experience developmental delays and not grow and grow as he should.