Do you feel tired all the time? Sustainable fatigue is not normal. Feeling exhausted, even after a good night, signals the main problem. Fatigue is one of the signs of vitamin B12 deficiency. This nutrient is responsible for some important functions in the body, including DNA synthesis, energy production and the function of the central nervous system. Despite its value, about 47% of the Indian population has a vitamin B12 deficit, the 2019 study said. Dr. Alok Chopra, a well -known cardiologist and expert on functional medicine, emphasizes the vital role of vitamin B12, his diet sources and risks associated with deficiency, especially in vegetarians.
What is Vitamin B12
Vitamin B12 is soluble in nutrient water for several functions of bodily calves. “It is important for metabolism, digestion and overall health,” the cardiologist emphasizes. It is naturally present in certain foods and is available as a dietary supplement and prescription medicine.
What are the sources of Vitamin B12

Vitamin B12 is naturally present in products such as fish, poultry, eggs and milk. However, in most plant -based products, it is absent when strengthened. “Vegetarians always have problems with insufficient B12,” the doctor said. Vegetable products usually do not contain B12, but fortified foods such as dietary yeast and some cereals can serve as reliable sources. He suggested that vegetarians could take supplements or products strengthened by B12 to meet daily requirements.
What is Vitamin B12 functions

Vitamin B12 is responsible for several important functions in the body. This nutrient plays a key role in the production of healthy erythrocytes and prevents megaloblastic anemia. It also helps in replication and maintenance of DNA in cells. Vitamin B12 also supports nerve cell health and maintains the proper functioning of the nervous system. It also plays a decisive role in the transformation of carbohydrates into glucose. Vitamin B12 is also vital for brain health. It increases memory, focus and overall cognitive health, and reduces the risk of neurodegenerative diseases. This nutrient plays a significant role in heart health. Vitamin B12 helps regulate homocyteine levels in the blood, reducing the risk of cardiovascular disease. It also helps to regulate the mood, bone health, skin, hair and nail health, and enhances the immune system.
What are the signs of vitamin B12 deficiency

Despite its important role in the body, vitamin B12 deficiency is very common. Some signs of vitamin B12 deficiency include:
- Fatigue
- Pale or yellow skin
- Headaches
- Depressive symptoms
- Gastrointestinal problems
- The difficulty of focusing
- Glacit and mouth ulcers
- Weight loss
- Feel bad
“The deficiency can be healed with adequate nutrition, intramuscular injections or even a cavity therapy B12,” the cardiologist said. The doctor also warned of the negative effects of excessive consumption of vitamin B12. “Excessive use can cause diarrhea, itching, rashes, headache, dizziness, nausea and heart failure. Patients with optical neuropathy, polycientia, gout, iron, folic acid deficiency and if there is low potassium level, you should consult your doctor.”
Don’t take with certain other nutrients
The doctor believes that not combining Vitamin B12 supplements with vitamin D. “Vitamin B12 and D should not be taken together, as vitamin D is dissolved in fat and absorbed better with food, and b12 dissolves and taken on an empty stomach. The same is the same for vitamin C,” he adds.