With sales in the billions and impressive growth in the natural channel, vitamins and supplements may very well be as good for business as they are for bodies. But what's trending in particular these days?

From the vast array of condition-specific formulas, efficacious ingredients and results-driven categories, SPINS crunched the numbers to bring you the most in-demand pills (amid other delivery formats) we're popping and why.  

Is this on trend with what you're seeing right now? Yay or nay in the comments below!