Imagine this: you’ve just wrapped up a brutal workout at your favorite gym, and instead of crashing on the couch with a bottle of water, you get hooked up to a custom IV drip that hydrates, replenishes, and rejuvenates you on the spot. Or, you’re on vacation at a luxury hotel, lounging by the pool, when you’re offered a wellness treatment that boosts your energy and keeps you feeling fresh—an IV t…