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.
1. Vitamin B12. If you search for âhow to prevent fatigueâ in a text book or on the internet, Vitamin B12 will always come up! Vitamin B12 is a water soluble vitamin which has its effects predominantly on the actions and functions of the brain and nervous system. One study examined the benefit of vitamin B12 injections over 2,000 people.