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When diarrhea drains you, the drink you reach for matters more than any other part of your recovery. Plain water alone won’t replace the sodium, potassium, and chloride your body is losing, and sugary sodas or sports drinks can pull fluid the wrong way. What you actually need is a rehydration drink with the right balance of electrolytes — and the picks below are the ones worth keeping in the cupboard.
This guide is built by comparing the manufacturers’ published specifications and the patterns across verified customer reviews, so you get each pick’s real strengths and trade-offs instead of marketing spin.
You can buy rehydration drinks as powders you stir into water or as ready-to-drink bottles you sip straight from. Below are five rehydration drinks that hold up best when your stomach is unsettled, sorted by what each one does well. Use this shortlist to find the best drink for diarrhea when you need it most.
Top Picks
How To Choose The Best Drink for Diarrhea
Diarrhea strips your body of fluid and electrolytes (minerals like sodium and potassium that your body needs) fast. The goal is to replace both without upsetting your stomach further. The best drink is one you can actually get down and keep down, and that depends on a few concrete label details.
Electrolytes first, water second
Look for sodium, potassium, and chloride on the ingredient panel. These are the minerals your body loses in stool and vomit. A drink with balanced electrolytes holds fluid better than plain water, which can dilute what’s left of your body’s mineral reserves.
Watch the sugar
Too much sugar can draw fluid into the gut and make loose stools worse. Zero-sugar mixes are the safer starting point, though a small amount of glucose — like the dextrose in Banana Bag — can help your body absorb sodium faster, depending on what your stomach tolerates.
Powder vs. bottle
Powder packets are easier to store and carry, and you control the water. Ready-to-drink bottles are simpler when you’re too wiped out to mix anything. Both work; pick whichever you’ll actually use when you’re feeling rough.
Side-by-Side Comparison
| Model | Best For | Form | Sugar Content | Key Electrolytes | Amazon |
|---|---|---|---|---|---|
| Pedialyte Electrolyte Drink Mix★ Best Overall | All-around rehydration | Powder packets | Zero sugar | Sodium, chloride, potassium | Amazon |
| BODYARMOR Flash IVMost Portable | Post-workout & travel | Powder sticks | Zero sugar | 2 electrolytes + zinc, B & C vitamins | Amazon |
| Banana Bag Electrolytes | Morning-after & recovery | Powder packets | Dextrose-sweetened | Sodium, potassium, chloride + B-complex | Amazon |
| GoodSense Electrolyte Solution (Mixed Fruit) | Kids & family | Ready-to-drink bottles | Flavored formula | Sodium, potassium, chloride | Amazon |
| Good Sense Electrolyte Solution (Unflavored) | Mixing into any juice | Ready-to-drink bottles | Unflavored | Sodium (45 mEq), potassium (20 mEq), chloride (35 mEq) per liter | Amazon |
Detailed Reviews
1. Pedialyte Electrolyte Drink Mix Zero Sugar Berry Frost 24 Packets
Our pick — 4.5+★ from 1,000+ verified ratings; the strongest balance of quality and price.
Pedialyte’s pharmacy-aisle formula, now in a zero-sugar powder packet with three key electrolytes.
Pedialyte is the brand many people already know from the pharmacy aisle, and this zero-sugar powder packet carries the same three key electrolytes — sodium, chloride, and potassium — in a format you stir into water. At 4.66 ounces for 24 packets, the whole box is light enough to keep in a kitchen drawer or first-aid kit without taking up real space. This is a drink for anyone who wants dependable rehydration without the sweetness that can make a sore stomach worse.
What wins people over is the taste. Berry Frost comes across as vibrant and refreshing rather than the syrupy, artificial flavor some electrolyte powders have, and it dissolves with a quick stir. The formula is gluten-free with no artificial colors, which matters when you’re drinking several packets a day while you recover. The 24-packet count means you have enough on hand for a multi-day bout without rationing.
The catch is straightforward: it’s a bit spendier than store-brand mixes, and the kids in the house may not love the berry flavor as much as you do. Pedialyte sits at 4.5+ stars across 1,100+ ratings, and that score is earned mainly on taste and hydration. For most people reaching for a rehydration drink during diarrhea, this is the one to start with.
What Earns It First Place
- Three key electrolytes — sodium, chloride, potassium — in every packet
- Zero sugar, so it won’t draw extra fluid into the gut
- Gluten-free formula with no artificial colors
- 24 packets per box, enough for a multi-day recovery
Where It Falls Short
- A little pricier per serving than store-brand powders
- The berry flavor may not land with younger kids
Reach for it if: you want one trusted zero-sugar packet that covers sodium, potassium, and chloride in a single stir.
Think twice if: you’re buying for a picky child who turns their nose up at berry-flavored drinks.
2. BODYARMOR Flash IV Zero Sugar Electrolyte Mix Strawberry Kiwi 15 Ct
The slim sticks that go anywhere water does, with vitamins and zinc packed in.
Fifteen calories a stick, zero sugar, and a blend of two electrolytes plus zinc, vitamins B and C, and coconut water powder — that’s the BODYARMOR Flash IV pitch. The strawberry kiwi flavor is the draw, and it holds up diluted in a full 32-ounce bottle, so you don’t need to drink it concentrated. The 3.75-ounce pack of 15 sticks is light enough to toss in a backpack, glove box, or carry-on without thinking about it.
Hydration is the thing people notice. The strawberry kiwi comes across as subtle rather than overpowering, and a stick dissolved in a bottle of water gives the same flavor as the bottled version. What stands apart from the Pedialyte powder is the added vitamins and zinc; if you’re already supplementing during recovery, that may be more than you want, but for a general boost it’s a welcome extra. Dissolvability is good — a bit of shaking and it’s clear.
The one honest catch is cost per serving. Some find the per-stick price steeper than a comparable bottle of sports drink, and the zero-sugar formula isn’t for anyone who needs the glucose to help absorption. BODYARMOR Flash IV earns its place at 4.5+ stars across 900+ ratings. It’s the pick when you want a slim stick in your bag for the gym, a flight, or a long day when your stomach is off.
Portability winner: At 3.75 ounces for 15 sticks, this is the pack that disappears into any bag — and unlike the Pedialyte box, the sticks are narrow enough to slip into a pocket.
The vitamin bonus: Zinc, B and C vitamins, and coconut water powder make this more than a basic electrolyte mix, which is useful if you want one stick to do double duty during illness and recovery.
Go with it if: you travel, train, or just want a slim stick that mixes into a bottle of water anywhere.
Pass on it if: you need a glucose-sweetened formula for faster sodium absorption rather than a zero-sugar one.
3. Banana Bag Electrolytes Hydration Powder Drink Mix Sweet Orange 5 Pk
A pharmacist-built blend with a full B-complex, built for the morning after and beyond.
Banana Bag goes past basic electrolytes. Alongside sodium, potassium, and chloride, it packs D-glucose (a simple sugar that helps your body absorb fluid), a full B-complex (B1, B2, B3, B5, B6, B12), folic acid, and vitamin C. That blend is built for what your body loses after workouts, travel, hot days, and long nights. At 1.15 ounces for the 5-pack, it’s the lightest package on this list, thinner than the Pedialyte box at 4.66 ounces. Sweet orange is sweetened with natural dextrose, so it’s low-carb with no cane sugar and no artificial dyes.
The taste is a point of honesty. Some people find the orange flavor tolerable rather than delicious, and a few mix it with juice to mask it. What keeps people coming back is how fast it seems to work — the dextrose is there to speed sodium absorption. The flavor isn’t a dealbreaker, but it’s not the reason to buy this one; the recovery blend is.
Because dextrose is the sweetener, this one isn’t sugar-free. That makes it a different tool than the zero-sugar picks — useful when you want the glucose to help you absorb sodium, less ideal if you’re avoiding sugar entirely. The 4.0+ star average across 800+ ratings reflects a fanbase that values effectiveness over flavor, and the pharmacist-formulated claim is on the label. If you want backup for a long night or a tough workout, this is a strong contender.
Why It’s Worth Keeping Around
- Full B-complex (B1, B2, B3, B5, B6, B12) plus folic acid and vitamin C
- Dextrose-sweetened for glucose-assisted sodium absorption
- Pharmacist-formulated blend with sodium, potassium, and chloride
- Lightest package on the list at 1.15 ounces
What to Know Before Buying
- The orange flavor is tolerable rather than great for some
- Not sugar-free — the dextrose sweetener is a fit choice, not a flaw
Best fit for: anyone who wants a recovery-focused blend with B-vitamins and glucose rather than a bare electrolyte mix.
Not your pick if: you’re strictly avoiding sugar or need a flavor you’ll actually look forward to.
4. GoodSense Electrolyte Solution Mixed Fruit 33.8 Fl Oz Pack of 6
The ready-to-drink bottle that kids and adults will actually finish, no mixing required.
When you’re too wiped out to stir a powder, a ready-to-drink bottle is the answer. This six-pack of 33.8-ounce bottles comes in mixed fruit, a flavor the label calls enjoyable for both kids and adults. It’s a Pedialyte-comparable formula designed to replace fluids and minerals lost to diarrhea, vomiting, exercise, and heat. The label is explicit: use under medical supervision, and consult a doctor for children under one year.
The flavor makes it easy to keep drinking. The mixed fruit is mild and not overly sweet, which is exactly what a sore stomach wants. One buyer recovering from surgery described it as “a more bland taste which is what I was looking for.” The six-pack gives you enough to get through a multi-day illness without running out. It also handles other dehydration causes well, from heat exhaustion to post-exercise fluid loss.
The obvious trade-off is that it’s a ready-to-drink bottle, so you’re carrying 33.8 ounces per bottle in a bulky six-pack rather than a handful of light packets. That’s a storage question, not a formula question. With a 4.5+ star average across 700+ ratings, this is the bottle to keep in the fridge when someone in the house goes down.
Where it shines: Mixed fruit is deliberately mild rather than candy-sweet, so it goes down even when nausea is part of the picture — and the six-pack means you’re not rationing bottles.
One thing to plan for: Six ready-to-drink bottles take up real shelf space, so this is a fridge-and-pantry pick rather than a travel one.
A good match for: households with kids, or anyone who wants a no-mixing bottle they can sip straight from during recovery.
skip it if: you need something to carry in a bag or keep in a small drawer — the bottles are bulky compared with powder packets.
5. Good Sense Electrolyte Solution Unflavored 33.8 Fl Oz Pack of 6
The blank-canvas bottle that goes invisible in juice, with a full label breakdown.
The label is unusually complete, which helps when you’re trying to match a doctor’s recommendation or a recipe. It’s compared directly to Pedialyte and is kosher certified. Ready-to-drink and mild to moderate dehydration is the target use, and it works for both kids and adults.
The honest snag is taste. Value is the other big draw — a long-time name-brand buyer called it the same exact thing as the brand at a lower cost. That 4.5+ star average across 700+ ratings reflects a formula people trust, and the unflavored format is the reason to choose it over its mixed-fruit sibling.
The Case for the Unflavored Bottle
- Full electrolyte label: sodium 45 mEq, potassium 20 mEq, chloride 35 mEq per liter
- No artificial flavors, sweeteners, or synthetic colors
- Mixes invisibly into juice for kids or adults who won’t drink a plain electrolyte solution
- Kosher certified and compared directly to Pedialyte
The Honest Catch
- On its own, the unflavored taste is hard to drink straight
- Heaviest package on the list at 14.9 pounds
The right bottle for: parents who need to hide electrolytes in juice, or anyone who wants an unflavored base they can doctor themselves.
Look elsewhere if: you want something you can sip straight without mixing it into another drink first.
Know the Specs
Electrolyte Content (mEq and mg)
Electrolytes are minerals your body needs to hold fluid in the right places. Sodium, potassium, and chloride are the big three lost during diarrhea. Some labels list them in mEq per liter, others in milligrams per packet. Higher sodium generally means stronger fluid retention, but the balance matters more than any single number — too much of one mineral without the others doesn’t help.
Sugar and Sweetener Type
Sugar in a rehydration drink is a trade-off. Too much draws fluid into the gut and can worsen loose stools. A small amount of glucose — like the dextrose in Banana Bag — can help your body absorb sodium faster. Zero-sugar formulas skip that absorption assist but avoid the sugar downside. The right choice depends on what your stomach tolerates.
Powder vs. Ready-to-Drink
Powder packets are light, shelf-stable, and let you control the water. They’re the better pick for travel, a first-aid kit, or a small kitchen drawer. Ready-to-drink bottles are simpler when you’re too ill to mix anything, but they’re bulky and heavier to store. Both deliver the same electrolytes; the form is about how you’ll actually use it.
Zinc and Vitamins
Zinc and B-vitamins appear in several rehydration blends. Zinc supports normal immune function, and B-vitamins are involved in energy metabolism. They’re not required for basic rehydration, but they can be a useful addition if you’re recovering from illness or a long stretch of poor intake. Check the label to see what’s included and at what amount.
Common Questions
What is the best drink to have when you have diarrhea?
Should I choose a powder or a ready-to-drink bottle for rehydration?
Is a zero-sugar electrolyte drink better than a sweetened one for diarrhea?
Can kids drink the same electrolyte solution as adults?
How much electrolyte drink should I sip during diarrhea?
What is the difference between Pedialyte and a sports drink like Gatorade?
Can I mix an unflavored electrolyte solution into juice?
Does an electrolyte drink help with dehydration from vomiting too?
What should I look for on the label of a rehydration drink?
The Bottom Line
For most people, the best drink for diarrhea is the Pedialyte Electrolyte Drink Mix — three key electrolytes, zero sugar, and a trusted brand name in a 24-packet box you can keep on hand. If you want something you can slip into a bag for travel or the gym, grab the BODYARMOR Flash IV sticks with their added zinc and B-vitamins. And if you need to hide electrolytes in juice for a child who won’t drink them plain, the Good Sense Unflavored bottles are the quiet workhorse. Keep one of these in the cupboard before you need it — the last thing you want mid-recovery is a trip to the store.
How we choose
We do not accept paid placement. Every pick is matched to a real buyer and a real use-case; we do not hands-on test units.
Sources
Specifications: manufacturer listings and product documentation. Review insights: verified customer reviews, as of October 2026. Pricing: not shown on this page (it changes often); check the current price via the retailer link.
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