you could eat a whole bottle of vitamin D and only get an upset stomach.
If you are new to taking Vitamin D then take 10 pills to start, for a week. If you are low, then just taking the RDA keeps you low.
You will know you are getting enough when you start having pleasant dreams.
YOU MUST ALSO TAKE MAGNESIUM when you take vitamin D. Or else you can get muscle cramps.
what form of calcium and magnesium (and dosage) is recommended with 5000 IU daily of D3?
So I bought 5,000 IU D3. So I should start with 50,000 IUs per day?