Nuun Sport vs Nuun Energy
Same units, same serving basis, and no assumed values where a brand stays silent.
Nutrition Verified“Nutrition Verified” means a person transcribed these values from a manufacturer-published primary source on the date shown. Missing information is never treated as zero.
Side-by-side nutrition
At a glance
🧂 Sodium300mg← Highest
CaffeineNot declaredThe manufacturer/source we use does not provide enough information to establish a quantity. This does not necessarily mean the product contains zero.
🍬 Sugar1g← Lowest
🔥 Calories15
Electrolytes
Sodium300mg← Highest
Potassium150mg← Lowest
Magnesium25mg← Highest
Calcium13mg
Chloride40mg
Caffeine
StatusNo caffeine ingredient declared
NotesThe current manufacturer ingredient/nutrition information reviewed does not declare caffeine for the standard Sport formula. This is not treated as an explicit 0 mg claim.
Sugar & sweeteners
Sugar1g← Lowest
Carbohydrates4g
SweetenerStevia
Artificial sweetenersNo artificial sweeteners declared
ColoringColoring declared
Dietary certificationsVegan, Gluten Free, Kosher, Non-GMO
Composition
Sodium sourceSodium Bicarbonate, Sodium Carbonate
Potassium sourcePotassium Chloride, Potassium Bicarbonate
Magnesium sourceMagnesium Oxide
Calcium sourceCalcium Carbonate
Ingredients
Citric Acid, Dextrose, Sodium Bicarbonate, Potassium Bicarbonate, Sodium Carbonate, Natural Flavor, Potassium Chloride, Magnesium Oxide, Calcium Carbonate, Stevia Leaf Extract, Avocado Oil, Beet Juice (For Color).
Where to buy
AmazonBuy on Amazon →
Paid link — Electrolyte Nerd may earn a commission if you purchase through this link. This does not change the price you pay.
- Official Website — NuunBuy Direct →
Standard retailer link — we do not earn a commission on this link.
At a glance
🧂 Sodium100mg← Lowest
Caffeine80mg caffeine
🍬 Sugar2g← Highest
🔥 Calories15
Electrolytes
Sodium100mg← Lowest
Potassium200mg← Highest
Magnesium15mg← Lowest
Calcium15mg
Chloride40mg
Caffeine
StatusContains caffeine
NotesManufacturer states 80 mg caffeine per serving from green tea extract.
Sugar & sweeteners
Sugar2g← Highest
Carbohydrates4g
SweetenerStevia
Artificial sweetenersNo artificial sweeteners declared
ColoringColoring declared
Dietary certificationsVegan, Gluten Free, Kosher, Non-GMO
Composition
Sodium sourceNot declaredThe manufacturer/source we use does not provide enough information to establish a quantity. This does not necessarily mean the product contains zero.
Potassium sourceNot declaredThe manufacturer/source we use does not provide enough information to establish a quantity. This does not necessarily mean the product contains zero.
Magnesium sourceNot declaredThe manufacturer/source we use does not provide enough information to establish a quantity. This does not necessarily mean the product contains zero.
Calcium sourceNot declaredThe manufacturer/source we use does not provide enough information to establish a quantity. This does not necessarily mean the product contains zero.
Ingredients
Dextrose, Citric Acid, Organic Tapioca Syrup Solids, Natural Flavors, Malic Acid, Stevia Leaf Extract, Avocado Oil, Beet Juice (For Color).
Where to buy
AmazonBuy on Amazon →
Paid link — Electrolyte Nerd may earn a commission if you purchase through this link. This does not change the price you pay.
- Official Website — NuunBuy Direct →
Standard retailer link — we do not earn a commission on this link.
| Per serving | NUNuunNuun SportLemon LimeTablet · 1 tablet | NUNuunNuun EnergyWild BerryTablet · 1 tablet |
|---|---|---|
| At a glance | ||
| 🧂 Sodium (mg) | 300← Highest | 100← Lowest |
| ⚡ Caffeine | Not declaredThe manufacturer/source we use does not provide enough information to establish a quantity. This does not necessarily mean the product contains zero. | 80mg caffeine |
| 🍬 Sugar (g) | 1← Lowest | 2← Highest |
| 🔥 Calories | 15Equal | 15Equal |
| Electrolytes | ||
| Sodium (mg) | 300← Highest | 100← Lowest |
| Potassium (mg) | 150← Lowest | 200← Highest |
| Magnesium (mg) | 25← Highest | 15← Lowest |
| Calcium (mg) | 13← Lowest | 15← Highest |
| Chloride (mg) | 40Equal | 40Equal |
| Caffeine | ||
| Caffeine (mg) | Not declaredThe manufacturer/source we use does not provide enough information to establish a quantity. This does not necessarily mean the product contains zero. | 80 |
| Caffeine status | No caffeine ingredient declared | Contains caffeine |
| Caffeine notes | The current manufacturer ingredient/nutrition information reviewed does not declare caffeine for the standard Sport formula. This is not treated as an explicit 0 mg claim. | Manufacturer states 80 mg caffeine per serving from green tea extract. |
| Sugar | ||
| Sugar (g) | 1← Lowest | 2← Highest |
| Carbohydrates (g) | 4Equal | 4Equal |
| Calories | ||
| Calories | 15Equal | 15Equal |
| Composition | ||
| Sodium source | Sodium Bicarbonate, Sodium Carbonate | Not declaredThe manufacturer/source we use does not provide enough information to establish a quantity. This does not necessarily mean the product contains zero. |
| Potassium source | Potassium Chloride, Potassium Bicarbonate | Not declaredThe manufacturer/source we use does not provide enough information to establish a quantity. This does not necessarily mean the product contains zero. |
| Magnesium source | Magnesium Oxide | Not declaredThe manufacturer/source we use does not provide enough information to establish a quantity. This does not necessarily mean the product contains zero. |
| Calcium source | Calcium Carbonate | Not declaredThe manufacturer/source we use does not provide enough information to establish a quantity. This does not necessarily mean the product contains zero. |
| Ingredients | ||
| Full ingredient list | Citric Acid, Dextrose, Sodium Bicarbonate, Potassium Bicarbonate, Sodium Carbonate, Natural Flavor, Potassium Chloride, Magnesium Oxide, Calcium Carbonate, Stevia Leaf Extract, Avocado Oil, Beet Juice (For Color). | Dextrose, Citric Acid, Organic Tapioca Syrup Solids, Natural Flavors, Malic Acid, Stevia Leaf Extract, Avocado Oil, Beet Juice (For Color). |
| Sweeteners | ||
| Sweetener | Stevia | Stevia |
| Artificial sweeteners | No artificial sweeteners declared | No artificial sweeteners declared |
| Coloring | Coloring declared | Coloring declared |
| Dietary certifications | Vegan, Gluten Free, Kosher, Non-GMO | Vegan, Gluten Free, Kosher, Non-GMO |
| Where to buy | ||
| Retailers |
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| Verification | ||
| Last verified | 2026-08-14 | 2026-08-14 |
What's different?
Nuun Sport declares 300mg sodium — roughly 3.0× more than Nuun Energy (100mg). Nuun Energy declares 200mg potassium — more than Nuun Sport (150mg). All of these products list stevia as their declared sweetener. Dietary claims stored in our database: Nuun Sport → Vegan, Gluten Free, Non-GMO, Kosher; Nuun Energy → Vegan, Gluten Free, Non-GMO, Kosher.