What does vit d do?

Saw the recommendation for mega vit d and wondered what that was for?

Ask me in a couple of months as I am about to start 50,000 then 100,000iu a day real soon. Then maintenance with 20,000iu.

What are you hoping it will do? I'm serious.

I am not sure exactly...

Amazon.com: THE MIRACULOUS RESULTS OF EXTREMELY HIGH DOSES OF THE SUNSHINE HORMONE VITAMIN D3 MY EXPERIMENT WITH HUGE DOSES OF D3 FROM 25,000 to 50,000 to 100,000 IU A Day OVER A 1 YEAR PERIOD eBook: Jeff T Bowles: Kindle Store