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.
Bottom line: Vitamin D intake is recommended at 400â800 IU/day, or 10â20 micrograms. However, some studies suggest that a higher daily intake of 1000â4000 IU (25â100 micrograms) is needed to maintain optimal blood levels.