There is no expiration date for cashier's checks. If a cashier's check isn't cashed in a timely manner, considered six months by most banks, it can be considered void or invalid. Keep Learning.
How often might 50000 IU vitamin D be taken - results of clinical trials. There have been many extremely successful vitamin D intervention trials. The trials are listed in the following table are sorted by number of days between doses of 50,000 IU. It appears that the higher the dose of vitamin D the more diseases which are prevented or treated.
Nearly all vitamin D overdoses come from supplements. The Institute of Medicine's Food and Nutrition Board's old 1997 recommendations suggested that 2,000 IU per day of vitamin D is safe for adults and that 1,000 IU per day is safe for infants up to 12 months of age.