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Flavorings
Water flavorings for when plain water bores you. Discover mixed berry and tea with lemon: flavor powders for water, sugar-free, calorie-free and with vitamin C. Add them to your office bottle, your gym bottle or the jug in the fridge.
Choose fast: any of them works for everyday use, so go with the flavor you're in the mood for. If you're training for more than an hour, what you need is an isotonic drink with carbohydrates; the rest of the bottle options are in hydration.
Own brand: every product page has the full composition, sweetener and vitamin C included.
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Daily hydration
If plain water won't go down, give it flavor
Sugar-free water flavorings
Water flavoring powders add taste to every glass with no sugar and no calories. They're for anyone who falls short on water through the day, and for anyone who wants the taste of a soda without the sugar.
Shop flavoring powdersPowder in sachets
Mixed berry and tea with lemon: one sachet per liter
No sugar, no calories
At most 0.5 g of sugar and 4 kcal per 100 ml
With vitamin C
80 mg per liter as prepared; doesn't replace an isotonic drink
Own brand
Full composition on every product page
How to choose for your goal
Decide by why you're drinking it: hitting your water goal, watching sugar, or training.
To drink more water
EFSA sets the adequate total water intake at 2.0 liters a day for women and 2.5 for men. The flavoring helps when taste is what's stopping you from drinking more.
If you're watching sugar
A sugar-free flavoring swaps your soda for flavored water and leaves your daily sugar allowance for something else. The grams per dose and which sweetener it uses are on each flavor's product page.
If you're training
Up to an hour of effort, water — flavored or not — covers the session. Past that, you lose sodium and burn carbohydrates the flavoring doesn't provide: that's an isotonic drink.
In summer and at the office
It's peak season for this: the cold bottle on your desk. When it's hot you drink more often, and flavored water goes down where plain water falls short.
Plain water, flavoring or isotonic drink
Three ways to fill your bottle. The difference is in the sugar, the sodium and what you're about to do.
Zero cost
Water, fruit or herbs
A slice of lemon, mint or cold tea adds taste with no sweeteners and no cost at all. It's the cheapest option; it needs a fridge, prep time, and the taste changes every day.
Every day
Flavoring powder
A water flavoring is a powder that gives water taste; the ones sold as "sugar-free" don't go over 0.5 g of sugar per 100 ml as prepared. It gives you consistent flavor, a measured dose and zero prep.
Over an hour
Isotonic powder
An isotonic drink replaces water, sodium and carbohydrates in the same dose: to use the EU claims it needs between 460 and 1,150 mg of sodium per liter. It has its own category, isotonic drinks.
What to check before you buy
Four facts on the label, always for the drink as prepared, not the powder in the tub.
Sugars per 100 ml
"Sugar-free" requires no more than 0.5 g per 100 ml; "low sugar" means under 2.5 g in liquids. Those are the thresholds set by Regulation (EC) No 1924/2006: you either meet them or you don't.
Calories per glass
"Energy-free" means no more than 4 kcal per 100 ml, and "low-energy", 20 kcal. That's the real difference between a sugar-free flavoring and a sugary powdered soda mix.
Salt and vitamins per liter
The table gives salt, not sodium: divide it by 2.5. In a flavoring it's low, so it doesn't replace an isotonic drink. If it has added vitamins, like vitamin C, the label gives the milligrams and their percentage of the reference intake.
Liters the tub yields
Divide the contents by the dose the label states: that number of liters is what you're really buying. It's how you compare two tubs of different sizes.
Myths and objections
Three questions about water flavorings, and what the bodies that assessed them actually say.
Myth: sugar-free means no sweetener
They're two different things. A powder that flavors water without sugar almost always carries a sweetener, and Regulation (EC) No 1924/2006 regulates how much sugar can remain, not whether a sweetener is used. If you want neither, go for fruit or cold tea.
Myth: it works as a sports drink
For more than an hour of effort, the American College of Sports Medicine recommends 30-60 g of carbohydrates per hour and 0.5-0.7 g of sodium per liter. A flavoring doesn't reach either figure.
Are sweeteners safe?
Every sweetener authorized in the EU has passed an EFSA evaluation, which sets an acceptable daily intake, and the EU limits how much each food can contain so that intake stays below that amount.
Tip: dissolve the sachet in ice-cold water and sip it through the morning; in summer, the freezer turns it into a slushie — the recipe is in sugar-free slushies. If your training runs past an hour, check the supplements to take during your session.
Frequently asked questions
What is a water flavoring and what is it for?
A water flavoring (or water flavouring, if you spell it the British way) is a powder that dissolves in your glass and adds taste with barely any sugar or calories. It's for drinking more water when plain water won't go down. It carries almost no carbohydrates or sodium, so it doesn't replace a sports drink.
What's the best water flavoring?
The one that hits two figures on the label: no more than 0.5 g of sugar per 100 ml as prepared, and few calories per glass. There are no better brands, only better labels. Compare sugars per 100 ml, the sweetener, and the liters the tub yields.
Do water flavorings have sugar or calories?
It depends on the product: the law defines "sugar-free" as 0.5 g per 100 ml at most, and "energy-free", 4 kcal per 100 ml. The ones in this category, prepared as the label says, meet both thresholds; the grams per dose are on the product page.
How healthy is it to drink flavored water?
It fits a healthy diet if you use it for what it is: drinking more water and replacing sugary drinks. Look for sugar-free, with a sweetener authorized in the EU (evaluated by EFSA), and drink it instead of soda, not on top of it. The simplest option is still free: fruit or cold tea.
How do you use a flavoring, and how much does a package yield?
Dissolve it in cold water; each package states its own dose, usually per 500 ml or per liter. To compare two packages of different sizes, divide the contents by the dose: that's how many liters you really get from each one.
What can I add to water to give it flavor?
Sliced fruit, mint, cold tea or a flavoring, which can come as a powder, in sachets, as drops or as effervescent tablets. The ones in this category are sugar-free powder in sachets: one per liter of cold water, no prep needed.
Does a flavoring work as an isotonic drink for training?
No. A flavoring provides taste, but not the carbohydrates you burn in a long effort, nor the sodium per liter EU rules set for sports drink claims. Up to an hour, water; beyond that, the difference is explained in isotonic, hypotonic and hypertonic drinks.
Where can I buy water flavorings?
At online sports nutrition shops, at pharmacies and health stores, and in some supermarkets. The channel changes little; what changes is the range on offer. Sachets with and without sugar sit on the same shelf, so check the front label before the price.
Can people with diabetes drink flavored water?
It depends on the label: check the sugars in the prepared drink and which sweetener it uses. The ones in this category meet the "sugar-free" threshold, at most 0.5 g per 100 ml, and the product page details each flavor's sweetener. If you have diabetes, check with your healthcare team.
Do water flavorings help you manage your weight?
No — the WHO advises against using them for that: its 2023 guidance discourages non-sugar sweeteners for long-term body weight control. Their real job is replacing sugary drinks and helping you reach your daily 2.0-2.5 liters of total water.
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