Vitamin B12 is an essential vitamin in our nutrition plans, especially as women athletes. It has gained popularity in recent years in the form of shots, capsules, or energy drinks and is said to be an “energy-booster” that can aid our performance and metabolism.  But did you know that our B12 levels are controlled by our nutritional choices? We spoke with VIS Expert Meredith Parmley, MS, RD, CSSD, LD, to learn more about the function of B12 within our bodies and ways to ensure we ar...