The "duh" file: Vitamin C boosts immunity

After all these years, there are still some who argue against large doses of vitamin C. After all these years, studies are still being done supporting the use of large doses of vitamin C -- to enhance immune function.

Here's another one: http://www.immunesupport.com/library/bulletinarticle.cfm?ID=6304

That's not to say you shouldn't eat bell peppers, oranges, and kiwifruit to get generous doses of natural vitamin C and its nutrient partners. But the refined pills (or powder) do some good too.