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No. In U.S. FDA labeling, a drink labeled “sugar-free” must contain less than 0.5 gram of sugars per reference amount and per labeled serving—not necessarily zero. Check the serving size and Nutrition Facts panel to see what that means for the drink you have.
How much sugar can a “sugar-free” drink contain?
Under the U.S. FDA’s general rule, a food may use a “sugar-free” claim when it contains less than 0.5 gram of sugars per reference amount customarily consumed and per labeled serving. The FDA explains this threshold in its guidance on sugar-free claims. Because the limit is “less than” 0.5 gram, the claim does not promise literal zero.
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This is a U.S. labeling rule; it does not establish the threshold used in other countries. For a particular drink, use its current package label, since formulas and labels can change.
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- Check serving size and servings per container. Nutrition Facts amounts generally apply to one serving. If the bottle contains multiple servings, the amount for the whole bottle may be greater; some labels also provide per-container information. See the FDA’s serving-size guidance.
- Read Total Sugars. This includes sugars naturally present in the drink as well as sugars added during processing.
- Read Added Sugars as part of—not in addition to—Total Sugars. The Added Sugars amount is included within Total Sugars. It covers sugars added during processing and sugars from sources such as syrups, honey, and concentrated fruit or vegetable juices. The FDA explains these label terms in its Added Sugars guidance.
- Check the ingredients for sweeteners. A sugar-free claim does not mean a drink contains no sweetening ingredients. FDA rules allow qualifying products to contain sugar alcohols; the claim alone does not reveal the drink’s full formula. The FDA’s Food Labeling Guide addresses these labeling conditions.
- Look at calories separately. Sugar-free does not automatically mean calorie-free. Check the calorie declaration and the rest of the Nutrition Facts panel.
How to compare two sugar-free drinks
Compare like with like: serving size, servings per container, Total Sugars, Added Sugars, calories, and ingredients. If a bottle contains more than one serving, compare the per-serving figures and the per-bottle amount when the label provides it. The FDA notes that the Added Sugars line is part of Total Sugars, while serving information helps you interpret amounts for the package as a whole.
#1 Best Overall
- GREAT TASTE: Welch's drink mix packets are delicious drink mixes for water that bring a burst of refreshment and can be used as on-the-go packets during the summer and all year round
- QUICK AND CONVENIENT SINGLE-SERVE DRINK MIX: Each serving of Welch's powder drink mix is perfect for the average water bottle – just shake and enjoy your instant sugar-free drinks
- 5 CALORIES PER SERVING: Welch's Singles To Go! drink packets for water are aspartame free and only 5 calories per serving
- 30 SERVINGS PER BOX: Each drink powder packets box contains 30 Welch's Singles To Go! Zero sugar drink mix packets
- NATURALLY FLAVORED: Enjoy Welch's zero sugar flavored water mix, naturally and artificially flavored, without worrying about your dietary restrictions
The FDA also gives 50 grams of Added Sugars per day as the Daily Value for a 2,000-calorie diet. That figure is context for the Added Sugars label, not the legal threshold for calling a drink sugar-free.
Quick Recap
Best Value
- DRINK YOUR WAY TO PARADISE: Enjoy a taste of the islands anywhere with Calypso Singles To Go! These hydration packets turn plain water into tropical flavored water and bring vacation vibes to any day
- HYDRATION MADE EASY: These water packets are low in fat, calories, and sodium, and made for home, travel, school, fitness, and on-the-go, helping adults and kids enjoy feel-good drinks anywhere
- KEEP THE ISLAND VIBES FLOWING: Calypso isn’t just a powdered drink mix, it’s your shortcut to a mini getaway. Calypso lemonade packets turn plain water into flavored water that’s sunnier, smoother, and more exciting
- 4 DELICIOUS LEMONADE FLAVORS: Variety pack of Calypso drink mix includes Island Wave Lemonade, Kiwi Lemonade, Southern Peach Lemonade, and Ocean Blue Lemonade, with bold, refreshing flavor inspired by tropical fruit and lemons
- MIX IT, SIP IT, LOVE IT: Fill your water bottle or tumbler, add one drink stick, and stir. Each powder stick dissolves quickly for island flavor and fun in every sip—no flights, no fuss
Rank #4
- VARIETY PACK – With 30 sticks included, these zero sugar water flavoring packets give you a taste of 4 different Tropical flavors.
- CONVENIENT – Skittles drink mix packets come in conveniently packaged single drink mix sticks, so you can take the great taste of Skittles Candy with you anywhere you go!
- WATERTOK –Mix and match Singles To Go flavors in these flavored water packets to create your ultimate WaterTok recipes and favorites!
- SKITTLES SINGLES TO GO – Now you can bring the taste of the rainbow with you anywhere, anytime with Skittles Singles To Go drink mix sticks. These Skittles water flavor packets are bursting with fruit flavor that will add tasty excitement to water.
- JUST ADD WATER – For these sugar free drink mix packets, sip from a full bottle of water to make room for powder. Pour one stick into a 16.9 fl. oz. bottle or large glass of water, shake or stir until well mixed, and enjoy!
Rank #3
- 40 TOTAL SERVINGS: Each box contains 40 tasty Wylers Light singles to go water flavoring packets, giving you a total of 40 refreshing single servings
- EXCELLENT SOURCE OF VITAMIN C: Get a dose of your daily nutrients with these lemonade drink mix packets while enjoying a fantastic fruit flavor
- A HEALTHIER CHOICE: Wyler’s Light Singles To Go sugar free water flavor packets have only 5 calories, 85% fewer than leading beverages
- 4 LEMONADE FLAVORS: Try four different lemonade flavor packets for water in this variety pack of lemonade packets. Includes: Lemonade, Pink Lemonade, Strawberry Lemonade and Blueberry Lemonade flavors
- QUICK AND CONVENIENT: Wyler’s drink packets for water are perfect for the average water bottle – just shake and enjoy
Rank #2
- 4 BELOVED JOLLY RANCHER FLAVORS– These sugar-free drink mix packets include Green Apple, Blue Raspberry, Cherry, and Watermelon—all the vibrant candy taste you crave in convenient single-serve sticks
- ZERO SUGAR & LOW CALORIE – Enjoy bold flavor without the guilt—these sugar free water flavor packets contain no sugar, no fat, and under 10 calories each
- POCKET-FRIENDLY CONVENIENCE – Slim, portable drink packets fit neatly into bags, purses, lunch boxes, or gym kits. Ideal for travel, workouts, or daily refreshment
- QUICK & EASY HYDRATION - Just mix one stick from these zero sugar drink mix packets with 16.9 fl oz of water, great for on-the-go and encourages better hydration habits
- ICONIC JOLLY RANCHER TASTE - Bursting with the same bold, fruity flavors you know and love from the classic candies, these water drink mix packets are now in a refreshing, drinkable form
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