Everyone seems to be selling hydration these days. Electrolyte packets, Himalayan salt, trace minerals, and powders that promise better energy, better performance, and better health. But do most people actually need them?
In this episode of The Unfiltered MD, Dr. Terry Simpson looks at the evidence behind the hydration industry. We explore what the DASH-Sodium Trial taught us about salt and blood pressure, why sports scientists have been measuring sweat for decades, what Gatorade actually got right, and why glucose—not magnesium—is often the unsung hero of effective rehydration.
Along the way we’ll separate physiology from marketing, explain when products like Pedialyte make sense, and discuss why many healthy people are spending money on a problem they don’t actually have.
Your kidneys are smarter than most influencers. Let’s talk about it.
