Water is usually the no-brainer choice for hydration, but some studies have suggested that milk might actually do a better job.

Jump to Key Takeaways .

How Milk Compares to Water for Hydration

You may have seen billboards or dairy ads claiming milk hydrates better than water. While some research supports this idea, the evidence is limited.

The marketing claims are largely based on a few small studies, including one from 2016 published in The American Journal of Clinical Nutrition. In the study:

The researchers monitored urine output after participants drank still water, sparkling water, full-fat milk, skim milk, cola, a sports drink, coffee, beer, orange juice, oral rehydration solution, or tea.

The study introduced the beverage hydration index (BHI), a tool designed to compare th

See Full Page