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 cancer patients, it would be possible to raise this to 3,000 to 4,000 IU of vitamin D3 a day. However, when taking more than 1300 IU of vitamin D3 daily, periodic blood tests should be done to make sure too much calcium is not being absorbed and that kidney function is not being affected.