Vitamin B6 - pyridoxine

B6 represents a group of several compounds that play an important role in energy metabolism (especially protein metabolism). The most active form of which is pyridoxal 5’-phosphate (P5P), which is the form found in animal products. B6 insufficiency is relatively common, with some symptoms including poor sleep, poor mood, numbness and tingling, and anemia. Certain conditions (inflammation, certain drugs, etc) can increase needs for B6. Checking your status is a good way to know where you stand.