34650907_Meat_Poultry_Nutrition__What_it_does
[Nutrient] Vitamin B6 [Food Sources] Meat, poultry, and fish products, whole grains, fortified cereals, nuts, and cooked dried beans [What it does] 
Helps change tryptophan (an amino acid) into niacin and into serotonin; helps the body make nonessential amino acids which are in turn used to make body cells.
Meat Poultry Nutrition
What it does