Last updated: September 2026 Tea hydrates you about as well as water does. Five separate clinical trials — including one run on expedition members at Mount Everest Base Camp — found no measurable difference in hydration markers between...

Last updated: September 2026 Unsweetened brewed tea has well under 1 gram of carbohydrate per cup — closer to a rounding error than a nutrition-label line item. Loose-leaf tea is dried leaf steeped in hot water, and only...

Plain loose-leaf tea does not break an intermittent fast — and the fasted stomach is where its catechins absorb best. One crossover trial measured plasma EGCG 2.7 times higher on an empty stomach than with breakfast. Here is...

Yes, you can use black tea as a natural hair rinse. Here's what theaflavins and tannins actually do, and how to brew Ruby Black Tea or Special Black Tea rinse-strength at home — no bitterness, no unproven health...

Discover the science-backed health benefits of white tea — highest antioxidants, low caffeine, skin protection — and why Himalayan white tea from Nepal stands apart.

Catechins are a type of natural antioxidant found in various plants, but they're especially abundant in tea leaves. These chemicals belong to a larger group of compounds called flavonoids, which are known for their health-promoting properties.