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.
For chronic kidney disease, 1-9 micrograms of vitamin D has been taken once daily or weekly over a 4-24 week period. Doses of 400-100,000 IU have been taken by mouth daily to monthly for six months to two years.