Text Dr. Black your questions or comments.

In this episode of Eat Your Greens with Dr. Black, we’re diving deep into the science of hydration. You’ll learn what really happens in your body when you drink water, why electrolytes matter, and how glucose plays a role in optimal absorption. I also unpack common hydration myths—like whether coffee dehydrates you or if lemon water boosts hydration—and examine the claims behind trendy products like alkaline water, sports drinks, and those viral electrolyte powders. Plus, I’ll walk you through how much water you actually need each day and when plain water just won’t cut it.

Stick around for the final segment, where I review popular electrolyte mixes and share when they’re helpful—and when they’re more hype than health. Don’t forget to tune in to the follow-up episode, where I’ll share simple, science-backed DIY hydration recipes that are easy to make and budget-friendly!

World Health Organization Oral Rehydration Solution

• 1 liter (34 oz) of fresh water
• 1/2 tsp salt
• 2 TBS sugar

*The information in this episode is not a substitute for medical care. If you have kidney disease or take potassium-sparing medications, consult your doctor before using potassium salt substitutes. Seek medical attention for signs of severe dehydration such as dizziness, confusion, rapid heartbeat, or dry mouth with little to no urination.

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