But does beer actually quench your thirst? The water content of most beers is high enough to satisfy thirst – at least temporarily. ... However, alcohol is a diuretic, and beers with a 4% or higher ABV will increase urine output, ultimately leading to dehydration.

Does beer take away thirst?

The study suggests that beverages with low alcohol concentrations have “a negligible diuretic effect” when consumed in a state of exercise-induced dehydration, meaning that hydrating with water or a low-alcohol beer (~2% ABV) is effectively the same.

Does beer hydrate you better than water?

Our pal Science now says that beer, yes beer, is more effective for rehydrating the body than plain ol' water. ... They determined that the beer drinkers had “slightly better” rehydration effects, which researchers attribute to sugars, salts, and bubbles in beer enhancing the body's ability to absorb water.