Nature's Way Vitamin B-6 Description: Energy and Nerves Vitamin B6 is converted into the main enzyme responsible for amino acid and protein metabolism. The central nervous system also relies on B6 in the production of serotonin, a critical neurotransmitter. Free Of Artificial ingredients, preservatives, yeast, milk, lactose, wheat, sugar or soy. Disclaimer These statements have not been evaluated by the FDA. These products are not intended to diagnose, treat, cure, or prevent any disease.