Hey Rookie.

Thanks for the update and great question.  The two biggest myths about taking vitamin D3 are, 1. It's toxic if you take too much, and 2. It causes kidney stones.

Neither myths are true unless someone was to down the contents of 60 or more 300 count bottles of 5,000 IU liquid soft gel vitamin D3 capsules... in one sitting. My guess is that the gel in that many capsules would result in severe GI tract pain long before the LD50 for vitamin D3 was reached.

I'm a chronic CHer so take 10,000 IU/day up to 40,000 IU/day vitamin D3 depending on the time of year and pollen count to remain CH pain free.  As a result I maintain an average 25(OH)D serum concentration around 140 ng/mL. 

My PCP just smiles and shakes his head at my annual physical after reviewing my labs...  then annotates my medical record and says...  "Your 25(OH)D is elevated... as usual... but your serum calcium is normal and your PTH is in the lower third of its normal reference range... so I guess you know what you're doing controlling your CH this way."

I gave him a copy of the anti-inflammatory regimen CH preventative treatment protocol three years ago... and so far, he hasn't thrown the BS flag.

I've reviewed available studies on kidney stones and have come to the conclusion that taking the anti-inflammatory regimen is a good way to avoid kidney stones.  Particularly if you follow this regimen and drink 2.5 liters of water a day.

VitaminDWiki has a great page on kidney stones with some of the data I've reviewed at the following link:  Multimedia File Viewing and Clickable Links are available for Registered Members only!!  You need to or

For reference, my wife and I stay on this regimen year round and consider it a way of life that provides a very good quality of life...  and at 73, (my wife is 80), we're all about staying healthy with a good quality of life.  Neither of us take any Rx medications.

Hope this answers your question.

V/R, Batch