If you eat enough protein during the day, it might not matter whether you drink your recovery shake right after a workout or wait a bit — you’ll still recover just as well.

If you eat protein and carbs right after working out, you might recover faster, feel less tired, and refill your energy stores better than if you wait more than 2 hours.

Older people or those who don’t usually eat much protein might get more out of having a protein and carb snack right after working out, compared to younger or high-protein eaters.

Eating protein right before or after your workout doesn't give you extra muscle gains if you're already getting enough protein throughout the day—so you don't need to rush your shake right after lifting.

The more intense or longer your workout, the more carbs and protein your body needs to keep up.

Protein supplements might help your muscles refill energy faster after a workout compared to just carbs — but it could just be because they add extra calories, not because protein itself speeds up recovery.