Some foods rich in niacin are fish, lean meats, nuts, and poultry. Some signs of niacin deficiency are fatigue, skin inflammation, hallucinations, vaginitis, and swollen tongue and mouth. One hardworking and versatile vitamin Vitamin B-6, also known as pyridoxine, wears many hats. As a coenzyme, it works with more than 60 different enzymes. Some enzymes work with folic acid and cobalamin to decrease your risk of heart disease by breaking down an amino acid called homocysteine.
Some enzymes help produce energy by metabolizing amino and fatty acids.
Some maintain normal nerve functions. Some help keep your immune system running smoothly. Some help keep the red in your red blood cells. As a water-soluble vitamin, you must obtain pyridoxine through your diet because the excess is excreted. Some foods rich in pyridoxine are avocado, bananas, beef liver, eggs, lean meats, potatoes, saltwater fish, and wheat germ.