What to Drink After a Workout: Hydration and Protein, Simplified

You just finished a workout, you're a little sweaty, slightly thirsty, and standing in front of the fridge wondering what to actually grab. It's one of those small daily decisions that feels weirdly complicated when it shouldn't be. So let's keep it simple. Figuring out what to drink after a workout really comes down to three friendly ideas: rehydrate first, replace what you sweated out, and give your body a little protein if it makes sense for your day.

This is a general, lifestyle-minded guide — not a prescription. Everyone's body, goals, and routines are different, so treat this as a flexible starting point rather than a rulebook. The good news is that the basics are genuinely easy, and once you know them, your post-workout drink becomes a no-brainer.

Why what to drink after a workout matters

When you move, you sweat — and sweat is mostly water along with some minerals. Replacing that fluid is the main event after almost any activity, whether it was a long run, a strength session, a hot yoga class, or a brisk walk that turned into something more. Comfortable, consistent hydration is one of the simplest things you can do to feel good and ready for whatever comes next in your day.

The other piece people talk about is protein. Protein is part of a balanced everyday diet, and many folks like to include a little around their workouts as part of their overall daily intake. The key word is everyday — you don't need a dramatic ritual, just a sensible habit that fits your life. If you want to go deeper on amounts, our guide on how much protein per day you really need is a calm, practical read.

The post-workout drink hierarchy

Here's a no-stress way to think about your options, roughly in order of "reach for this first." None of these are magic, and you don't need all of them — it's more of a menu than a checklist.

1. Start with water

It sounds obvious, but plain water handles the rehydration job after the majority of everyday workouts. If you only do one thing after exercise, drink some water. It's the foundation everything else builds on.

2. Think about electrolytes when you've really sweated

For longer, hotter, or especially sweaty sessions, you lost more than just water — you lost some minerals too. That's when a drink with electrolytes can feel nice. On a gentle 30-minute walk? Probably not necessary. After an hour of hard cardio in the heat? It can hit the spot. Listen to your body and adjust.

3. Add a little protein if it fits your day

If you like including protein around your workouts, you've got options that range from light to substantial. A full shake is more of a meal-replacement vibe. A lighter touch — like sparkling protein water — gives you a small protein boost while still feeling like a refreshing drink rather than a heavy snack. If you're not sure which lane is yours, our breakdown of protein water vs. protein shakes lays out when each one makes sense.

Where sparkling protein water fits in

This is the part we get excited about, so bear with us. The whole reason we made HpO is that the post-workout drink landscape often felt like a choice between "plain and boring" or "heavy and chalky." We wanted something in the middle — light, bubbly hydration that still gives you a little protein, without the things that make traditional protein drinks feel like a chore.

Every can of HpO keeps it clean and simple:

• 5g of plant-based protein — a light, easy boost
• 0g sugar — no sweetness overload
• 30 calories — refreshing, not filling
• No additives — just real citrus flavor and bubbles

It works because it does two of our three post-workout jobs at once: it hydrates, and it adds a little protein — all in something that tastes like a crisp, citrusy sparkling water rather than a meal. That's why it's become an easy reach-for after a session, or honestly any time of day. If you want a fuller picture of the category, here's what sparkling protein water actually is and how it's different from your usual fizzy drink.

Building an easy post-workout habit

The best post-workout drink is the one you'll actually reach for, again and again. Here's how we'd keep it low-effort:

1. Hydrate as soon as you can. Don't overthink the timing — just get some fluids in while you're cooling down.
2. Match the drink to the effort. Easy session? Water or a light sparkling option. Long and sweaty? Lean toward electrolytes.
3. Keep a protein option around. Whether it's a shake in the blender or a chilled can in the fridge, having it ready makes it effortless.
4. Pick flavors you love. Enjoyment is what turns a one-time thing into a habit.

And protein doesn't have to be a workout-only thing. There are plenty of simple ways to fit a little more into your day without any equipment — our list of 7 easy ways to get more protein (no shaker bottle required) has ideas you can mix and match.

Shop the flavors

If a light, bubbly, citrusy post-workout drink sounds like your thing, here are the three ways to start.

Lemon

Bright, zesty, and crisp — clean bubbly hydration with a light protein lift.

Shop Lemon

Blood Orange

Bold, smooth, and slightly sweet citrus with the same clean, light profile.

Shop Blood Orange

Variety Pack

Can't choose? Get both flavors and find your post-workout favorite.

Shop Variety Pack

The bottom line

So, what to drink after a workout? Start with water, add electrolytes when you've really sweated, and include a little protein if it fits your goals — all while picking something you genuinely enjoy. It really can be that simple. HpO is our take on the easy, refreshing middle ground: light bubbly hydration with 5g of plant-based protein, 0g sugar, 30 calories, and no additives. Keep a few cans cold and your post-workout decision basically makes itself.

HpO is a food and beverage product intended as part of a balanced lifestyle. It is not intended to diagnose, treat, cure, or prevent any condition, and is not a substitute for medical or nutritional advice. Individual needs vary.