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.
Typically, treatment for low vitamin d is about 50, 000iu per week. If using as supplement, 1000-2000 iu/day should be plenty. Anyhow, any medication/vitamin that is causing excessive side effects, stop it and inform doc why you had to do so. The treatment should not be worse than the condition itself. Get some natural vitd--the sun.