Big believer that all that is FDA is not all there is! Melatonin for sleep, Fennel seeds for indigestion - settling the stomach, (shaved ginger steeped in hot water will help too), Vitamin D has been shown to prevent LOTS of issues - I know several doctors that take 4000u/day, these are some of the things in my regimen.
...Oh - and copius amounts of cigars - proven to lower my blood pressure!
