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.
single supplementing is never recommended. Vitamin D will not make you less tired. Most of us feel more tired in the winter anyway due to less daylight. Try to get out for at least 10 mins even if the sun isn't out. Unless you have depression with it it does not sound like SADS.