Adding molybdenum (and chrome, I think) makes chromoly steel, very flexible and strong steel often used in the racing industry. The element chromium, itself another metal, is added to steel (which is iron with a bit of carbon) to make stainless steel alloys.   Also added: vanadium, manganese, molybdenum, nickel, wolfram, etc.   Chromium and nickel are added to the iron to make stainless steel. it will be process in heating room.
Vitamin B3 (niacin) is important for the body because it helps to: 1  Convert food into glucose, used to produce energy. 2  Produce macromolecules, including fatty acids and cholesterol. 3  Facilitate DNA repair and stress responses.
Niacin, also called nicotinic acid, is a B vitamin (vitamin B3). It occurs naturally in plants and animals, and is also added to many foods as a vitamin supplement. It is also present in many multiple vitamins and nutritional supplements. Niacin is used to treat and prevent a lack of natural niacin in the body, and to lower cholesterol and triglycerides (types of fat) in the blood. It is also used to lower the risk of heart attack in people with high cholesterol who have already had a heart attack.