Some Liquid I.V. products are "energy" formulas, which means you'll get 100 milligrams of caffeine per stick. That's about ...

Liquid IV and other electrolyte powders can help you hydrate — but is it possible to overdo it? Here's what an expert wants ...

Sprayable Energy is exactly what it sounds like - it's liquid caffeine that you spray onto your skin. It's also colorless and odorless. For us media folk who wake up early and work long hours ...