Which B vitamin is known for its role in protein metabolism and immune function?

Pyridoxine, commonly known as vitamin B6, plays a crucial role in protein metabolism and immune function. It is involved in the synthesis of neurotransmitters, which are essential for communication between nerve cells, and is a key coenzyme in various metabolic processes, including those that convert amino acids into proteins. Additionally, vitamin B6 is vital for the production of hemoglobin and the functioning of the immune system, as it helps maintain the health of lymphoid tissues where immune cells mature. Therefore, its involvement in both protein metabolism and supporting immune function underscores its significance in maintaining overall health.

The other B vitamins mentioned have different primary roles; for instance, riboflavin is essential for energy production and cellular function, cobalamin is critical for red blood cell formation and neurological function, and folate is primarily known for its key role in DNA synthesis and repair. While all B vitamins are important for overall health, pyridoxine specifically stands out for its direct contributions to protein metabolism and immune response.