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.
Yes, safe dose!: In general one has to take at least 40, 000 iu of vit d for a prolonged period to approach toxic levels. It is considered safe to take up to 10, 000 iu/day. You could get a blood test of your levels to see where you are at. While normal range is 30-100, optimal range is probably above 50.