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.
i have been very lethargic in the past 3 years; which i put to post-pregnancy and/or hormonal imbalance... i work out regularly; strength train, cardio, yoga and never thought vitamins could cause tiredness! i have slowly decreased the amount of vitamins over the past 3 years; owing to side effects. evening of primrose oil caused acne breakouts and increased appetite; multi-vitamins with high B concentration caused insomnia; etc. i stop all vitamins but vitamin C; but the lethargy continued ...