Film Industry. Statistics and facts about the film industry Entertainment is big business in the United States. It is expected, that the sector as a whole will have generated 564 billion U.S. dollars in revenue by the end of 2014.
1 Vitamins B-please see Vitamin B group for details. 2  Vitamin C is very important for the immune system, adrenal glands and the manufacturing of connective tissue and detoxification of drugs and chemicals. 3  A deficiency in this vitamin leads to tiredness and a less effective immune system. Without this mineral, you can become very fatigued. 2  Zinc is an important mineral which regulates inflammation, protects against toxic exposure, de-toxifies foreign chemicals and helps with digestion. 3  Without it, you can suffer from: depression, lethargy, fatigue, frequent infections, irritability and muscle fatigue.
Vitamin B12 also helps prevent a type of anemia called megaloblastic anemia that makes people tired and weak. Two steps are required for the body to absorb vitamin B12 from food. First, hydrochloric acid in the stomach separates vitamin B12 from the protein to which vitamin B12 is attached in food.