How "safe" - I have no idea...but it is possible to overdose on vitamins....and well, my Multivitamin contains 400 I.U. of Vitamin D - which amounts to 100% Daily Value....so I think 15 THOUSAND units would be considered unsafe. Wikipedia may contain more helpful information, http://en.wikipedia.org/wiki/Vitamin_D#Overdose
The question is incomplete since it does not specify the units for 15000. Are they micrograms, kilograms, tons, ounces, pounds, solar masses?
The answer will depend on the units used for 15000. And since you have not bothered to share that crucial bit of information, I cannot provide a more useful answer.
Vitamin D 1.25 softgels are 50,000 USP units.
A vitamin
one milliliter
The density is 3,000 units/mL
Total Cost = Variable Cost + Fixed CostVariable Cost = 4 per UnitTotal Units to produce = 15000Variable Cost = 15000 * 4 = 60000Total Cost = 60000 + 100000Total Cost = 160000
Vitamin
Vitamin
According to a study done in the UK, a daily dose of Vitamin D will cut the risk of cancer by 25 percent. Dr. Jennifer Ashton from The Early Show, said healthy adults can take 2,000-3,000 units per day in supplement form. You should check with your doctor first he/she may want to do a blood test to check your vitamin D level. Vitamin D can be toxic in very high doses. Dr. Ashton also said that just 15-20 minutes of sunlight a day will give you sufficient Vitamin D. This is one of the few vitamins that works well in supplement form so you don't have to have sun exposure to get the full benefits of vitamin D. People over 50 who work indoors may need a supplement of 5,000 IU per day.
i take 50000 units vitamin d how many mgs is that
10 glasses of milk = 1,000 units of vitamin D