Which vitamin is specifically involved in protein metabolism and the production of red blood cells?

Vitamin B6 plays a crucial role in protein metabolism and is essential for the production of red blood cells. This vitamin is particularly involved in the synthesis of amino acids, the building blocks of proteins, which are vital for numerous bodily functions including growth, repair, and maintaining muscle mass. Additionally, Vitamin B6 contributes to the formation of hemoglobin, the protein in red blood cells that carries oxygen throughout the body.

While other vitamins have important roles as well, Vitamin B2 primarily aids in energy production and cellular function, Vitamin C supports immune function and aids in the synthesis of collagen, and Vitamin D is primarily associated with bone health and calcium metabolism. Thus, Vitamin B6 is distinctly recognized for its significant impact on protein metabolism and red blood cell production.