Vitamin B12 is an important vitamin that is required by the body. It helps in the body's energy production, neurological functioning, and formation of blood, Vitamin B12 can be obtained from many types of food, such as meat, fish, milk and dairy products, eggs, etc. If there is a deficiency of Vitamin B12 in a person's body then it can cause some problems. Today we will tell you how Vitamin B12 deficiency affects the body.

Fatigue, headaches, and mood problems
Adequate levels of Vitamin B12 in the body can increase the production of red blood cells, which help in carrying oxygen throughout the body. However, if you do not have adequate levels of Vitamin B12 in your body, the normal production of red blood cells may decrease, leading to megaloblastic anemia. This can make you feel tired and even cause headaches and mood swings.

Digestive System
Vitamin B-12 deficiency can affect the digestive system. Given that the lack of nutrients does not allow enough oxygen to reach the gut at all, it can lead to digestive problems including diarrhea, nausea, constipation, bloating, gas and loss of appetite, and even weight loss.

Neurological
Vitamin B12 deficiency can also cause neurological problems. Due to this, you may have problems like mental weakness, mental sadness, and lack of memory.

Weak muscles
Vitamin B12 deficiency can cause muscle weakness in the body. It limits your range of motion and causes muscle pain.

Skin changes
Vitamin B12 deficiency can lead to anemia, also known as cobalamin deficiency. This is a condition when the body does not make enough healthy red blood cells. Hence it can affect the complexion of the skin. Common symptoms include a pale yellow color to your skin.