Mine lives on a middle shelf too, and the sting comment above tracks with my experience -- cold injections are way worse. Over a year in, down 41 lbs, and no vial has gone bad stored that way.

Down 41 myself and my lab has started pacing by the leash at 6am sharp like she's got a calendar. Meanwhile my cat only moved closer now that naps are softer to lie on. Dogs celebrate, cats just reneg…