In a 2014 study, people drinking four cups a day showed zero difference in body water compared to people drinking plain water. Caffeine does have a mild diuretic effect, but if you drink coffee regularly, your body adapts to that within a few days. The effect only becomes meaningful past five cups in one sitting. But most people don’t know that a 15g serving of coffee carries real electrolytes, potassium, magnesium, a bit of calcium, the same minerals in an electrolyte drink, just without the added sugar. We know because we lab-test every batch, so we actually know what’s in the cup. And turns out when you take a look you find some pretty cool stuff about your daily cup. Check out our friends at @healthfirstcoffee for more.