GU Hydration Drink Tabs
GU Hydration Drink Tabs has 320 mg sodium and 1 g sugar per tablet mixed with 16 fl oz (473 mL) of water. That works out to 677 mg sodium per liter as mixed, with 0.6% carbohydrate, which is in our moderate sodium band. A 12 fl oz glass has 8 kcal.
- Contains sugar
- Low calorie
- Caffeine not stated for every flavor
- No artificial sweeteners
- Other sweeteners: stevia
- Keto friendly by our rule
- Hypotonic (estimate)
Keto friendly here means 5 g total carbs or less per serving in every flavor. Tonicity is estimated from carbohydrate concentration alone. How we define these.
- Sodium per liter
- 677 mg
- Sugar per 12 fl oz
- 0.8 g
- Calories per 12 fl oz
- 8 kcal
- Caffeine per serving
- 0 mg
- Cost per serving
- $0.67
Nutrition facts
Label values scaled to a common volume. "Not on label" means the label we checked does not list it.
| Nutrient | Per label serving | Per 12 fl oz | Per liter |
|---|---|---|---|
| Calories | 10 kcal | 8 kcal | 21 kcal |
| Total carbohydrate | 3 g | 2.3 g | 6.3 g |
| Total sugars | 1 g | 0.8 g | 2.1 g |
| Added sugars | 1 g | 0.8 g | 2.1 g |
| Sodium | 320 mg | 240 mg | 677 mg |
| Potassium | 50 mg | 38 mg | 106 mg |
| Magnesium | not on label | not on label | not on label |
| Calcium | not on label | not on label | not on label |
| Chloride | not on label | not on label | not on label |
| Caffeine | 0 mg | 0 mg | 0 mg |
| Carbohydrate concentration | 0.6% (g per 100 ml) | ||
| Sodium to potassium ratio | 6.4 to 1 by weight | ||
Label checked . Source (opens in a new tab)
Serving and mixing
- Label serving
- 1 Tablet (4.5g)
- Finished drink per serving
- 16 fl oz (473 mL)
- Servings per container
- 96
- How to mix
- Brand page: dissolve a Hydration Tab in 16 oz (473 ml) of water.
Flavors
- Lemon Lime
- Orange
- Tri-Berry
- Strawberry Lemonade
- Tropical Citrus
- Strawberry Hibiscus
Flavors with a different label
- Strawberry Hibiscus: Caffeine not on label (other flavors 0 mg).
The tables above use the main label panel.
Ingredients
Citric Acid, Dextrose, Sodium Bicarbonate, Sodium Carbonate, Natural Flavor, Potassium Bicarbonate, Stevia Leaf Extract, Safflower Oil, Cane Sugar, Riboflavin (as Color).
Closest alternatives
The nearest products by sodium per liter, carb % and format. Other brands come first.
- Sodium per liter, Nuun Energy Caffeine + B Vitamins: 634 mg/L, in the Moderate band (230 to 920 mg/L). Scale 0 to 2,500 mg/L.
Nuun Energy Caffeine + B VitaminsNuun · Tablet634 mg sodium per liter (this one: 677), 0.8% carbs (this one: 0.6%), same format.
- Sodium per liter, Nuun Sport: 634 mg/L, in the Moderate band (230 to 920 mg/L). Scale 0 to 2,500 mg/L.
Nuun SportNuun · Tablet634 mg sodium per liter (this one: 677), 0.8% carbs (this one: 0.6%), same format.
- Sodium per liter, Precision Fuel & Hydration PH 500 Electrolyte Tablets: 529 mg/L, in the Moderate band (230 to 920 mg/L). Scale 0 to 2,500 mg/L.
Precision Fuel & Hydration PH 500 Electrolyte TabletsPrecision Fuel & Hydration · Tablet529 mg sodium per liter (this one: 677), 0.6% carbs (this one: 0.6%), same format.
- Sodium per liter, Pedialyte Electrolyte Drink Mix Zero Sugar: 698 mg/L, in the Moderate band (230 to 920 mg/L). Scale 0 to 2,500 mg/L.
Pedialyte Electrolyte Drink Mix Zero SugarPedialyte · Powder stick698 mg sodium per liter (this one: 677), 0.4% carbs (this one: 0.6%), powder stick.
Where this data comes from
Nutrition values come from the brand's nutrition label image. We compared the label with USDA FoodData Central record 2440903. Every value we checked was within 10%. See the GU Energy Labs product page (opens in a new tab) for current packaging.
Label checked . Source (opens in a new tab)
Spot an error or a label change? Tell us and we will recheck it. See the methodology for how we collect and convert label data.
FAQ
How much sodium is in GU Hydration Drink Tabs?
GU Hydration Drink Tabs has 320 mg sodium per tablet mixed with 16 fl oz (473 mL) of water. That is 240 mg per 12 fl oz and 677 mg per liter, which puts it in our moderate sodium band.
Does GU Hydration Drink Tabs have caffeine?
No flavor we checked lists any caffeine, but at least one flavor does not state a caffeine value.
Is GU Hydration Drink Tabs sugar-free?
No. GU Hydration Drink Tabs has 1 g sugar per serving, or 0.8 g per 12 fl oz. It also contains stevia.
How much does GU Hydration Drink Tabs cost per serving?
About $0.67 per serving, based on $64.00 for Box of 8 tubes (96 tablets) at GU Energy Labs on Sep 24, 2026. That is $2.08 per 1,000 mg sodium. Prices change often, so check the retailer.
How many calories are in GU Hydration Drink Tabs?
GU Hydration Drink Tabs has 10 kcal per serving, or 8 kcal per 12 fl oz. Carbohydrate is 3 g per serving.