Wellness?

I love my cottage granary loaf bread.

It fills my belly with sandpaper lead.

To the health guru nostrums I am wed.

Such a diligent follower, my face goes red.

Better a slave, than to be dead.

Chemical analyses, I am daily fed.

Living forever has chained my head.

Sleep virtuously in my orthopaedic bed.

But could it be quackery, when all is said?