Vitamin B6 is a water-soluble nutrient that is essential in the creation of antibodies and for the enhancement of nervous system functionality.
B6 deficiencies can result in depression, low energy and irritability.
Excess consumption can result in the loss of coordination in addition to numbness in extremities.
B6 is found in everyday foods like avocados, bananas, nuts, chicken, beef and whole grains.
1-2mg per day
National Institutes of Health - https://www.nlm.nih.gov/medlineplus/ency/article/002402.htm