
Cobalamin, another name for vitamin B12, is one of the most important vitamins for our bodies to function properly. It supports DNA synthesis, keeps the nervous system in order, and aids in the production of red blood cells. As a result, vitamin B12 deficiency can be a serious health issue.
This article will discuss the causes of vitamin B12 deficiency and examine nine symptoms that can occur.
The primary signs of vitamin B12 include:

Anemia, heart disease, low vision, depression, neurological disorders, weariness, headaches, trouble focusing, digestive issues, anxiety, irritability, and pain, numbness, and tingling in the hands, arms, legs, and feet
- Anemia
- Cardiovascular diseases
- Reduced vision capacity
- Depression and neurological disorders
- Fatigue and exhaustion
- Headaches and difficulty concentrating
- Digestive problems
- Nervousness and irritability
- Pain, numbness and tingling in the hands, arms, legs and feet
What causes vitamin B12 deficiency?
Vitamin B12 deficiency happens when you don’t get enough vitamin B12 or when your body can’t properly consume the vitamin you do eat. Here are some of the most popular reasons of vitamin B12 deficiency:
- Diet low in vitamin B12: If your diet does not include foods high in vitamin B12 or products enhanced with this vitamin, you may be deficient.
- Stomach Inflammation (Gastritis): When the stomach lining is inflamed, it s the production of hydrochloric acid, which is required for the absorption of vitamin B12.
- Pernicious anemia: This is a rare condition where the body does not produce a protein called intrinsic factor, which is required for the absorption of vitamin B12.
- Digestive system diseases: Conditions such as Crohn’s disease or celiac disease inhibit with the body’s ability to consume vitamin B12
- The following are some of the most common causes of vitamin B12 deficiency: Diet low in vitamin B12: If your diet does not include foods high in vitamin B12 or products enhanced with this vitamin, you may be deficient. Stomach Inflammation (Gastritis): When the stomach lining is inflamed, it produces hydrochloric acid, which is necessary for the absorption of vitamin B12. Anemia Cardiovascular diseases Reduced vision capacity Depression and neurological disorders Fatigue and exhaustion Headaches and difficulty concentrating Digestion issues Nervousness and irritability Pain, numbness, and tingling in the hands, arms, legs, and feet.

Another popular fish that is a fantastic source of vitamin B12 is tuna.
- Beef ground
A common option for people seeking protein and vitamin B12 is ground beef. - Milk
Vitamin B12 is found in milk and other dairy products as well. - Yogurt
About 1µg of vitamin B12 can be found in 150g of plain yogurt. Additionally, yogurt is a wonderful source of probiotics and calcium, both of which are essential for gut health. - Eggs
Eggs include vitamin B12 and are a smart choice. There are roughly 0.6 µg of B12 in one egg. - Breakfast cereals and fortified meals
Cereals help you receive extra B12 in your diet, and any reason to eat more of it is always appreciated. Post