Vitamin B6 plays a role in over 100 enzyme reactions in the body and is essential for energy production,2 hormone balance,8 and immune function.1 In MAXD, we include a highly bioavailable form of B6 (Pyridoxal-5-Phosphate/P5P), which the body utilizes efficiently. Natural sources of Vitamin B6 can be found in many foods, particularly meat, whole grains, lentils, bananas, and potatoes.