Feeling unusually tired, having difficulty concentrating, or experiencing tingling in your hands and feet? These symptoms can have many possible causes, but sometimes they are associated with a lack of vitamin B12.
Vitamin B12 is an essential nutrient that helps the body produce healthy red blood cells, maintain normal nerve function, and support DNA production.
Because its deficiency can develop gradually, some warning signs may go unnoticed for months. Recognizing them early can help you know when to seek medical advice.
What Is Vitamin B12 and Why Does Your Body Need It?
Vitamin B12, also called cobalamin, is a water-soluble







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