D, a vitamin, a fat-soluble vitamin

Ray, of sun is where it's from

Me, a guy whose bones won't break

Far, is how far I can run

So, take D every day

Like, 2,000 IUs a dose

CPG companies can put it in for only 0.04 cents a serving

And consumers love vitamins like D, D, D, D, Deeeeeeeeeeeee