medicate

To prescribe or administer medication to.

To have a medicinal or healing effect on a person, body part, or ailment; to act on.

I started to think of food as my friend instead of my foe. It medicates my body. Every bite of food I intake I think of how it is going to make me stronger and help all my organs function.

I would just buy Claritin, or its generic equivalent Loratadine. It's non-drowsy, it's cheap, and it works. Yes, it medicates your whole system, but I don't know of any significant ill effects from that.