Nuun Sport vs Skratch Labs Hydration Sport Drink Mix
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← Lowest
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← Lowest
Electrolytes
Sodium300mg← Lowest
Potassium150mg← Highest
Magnesium25mg← Lowest
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← Lowest
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
🧂 Sodium400mg← 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.
🍬 Sugar18g← Highest
🔥 Calories80← Highest
Electrolytes
Sodium400mg← Highest
Potassium80mg← Lowest
Magnesium80mg← Highest
CalciumNot declaredThe manufacturer/source we use does not provide enough information to establish a quantity. This does not necessarily mean the product contains zero.
ChlorideNot declaredThe manufacturer/source we use does not provide enough information to establish a quantity. This does not necessarily mean the product contains zero.
Caffeine
StatusNo caffeine ingredient declared
NotesThe listed non-caffeinated variants reviewed do not declare caffeine; Skratch separately labels certain variants '+50mg Caffeine'.
Sugar & sweeteners
Sugar18g← Highest
Carbohydrates19g← Highest
SweetenerSugar
Artificial sweetenersNot declaredThe manufacturer/source we use does not provide enough information to establish a quantity. This does not necessarily mean the product contains zero.
ColoringNo coloring declared
Dietary certificationsDairy-free, Gluten-free, Nut-free, Kosher, Vegan, Non-GMO
Composition
Sodium sourceSodium Citrate
Potassium sourcePotassium Citrate
Magnesium sourceMagnesium Carbonate
Calcium sourceCalcium Citrate
Ingredients
Cane Sugar, Sodium Citrate, Dextrose, Mango Powder, Citric Acid, Calcium Citrate, Magnesium Carbonate, Potassium Citrate, Ascorbic Acid.
Where to buy
AmazonFind Similar 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 — Skratch LabsBuy Direct →
Standard retailer link — we do not earn a commission on this link.
| Per serving | NUNuunNuun SportLemon LimeTablet · 1 tablet | SLSkratch LabsHydration Sport Drink MixMangoPowder · 1 scoop |
|---|---|---|
| At a glance | ||
| 🧂 Sodium (mg) | 300← Lowest | 400← Highest |
| ⚡ 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. | Not declaredThe manufacturer/source we use does not provide enough information to establish a quantity. This does not necessarily mean the product contains zero. |
| 🍬 Sugar (g) | 1← Lowest | 18← Highest |
| 🔥 Calories | 15← Lowest | 80← Highest |
| Electrolytes | ||
| Sodium (mg) | 300← Lowest | 400← Highest |
| Potassium (mg) | 150← Highest | 80← Lowest |
| Magnesium (mg) | 25← Lowest | 80← Highest |
| Calcium (mg) | 13 | Not declaredThe manufacturer/source we use does not provide enough information to establish a quantity. This does not necessarily mean the product contains zero. |
| Chloride (mg) | 40 | Not declaredThe manufacturer/source we use does not provide enough information to establish a quantity. This does not necessarily mean the product contains zero. |
| 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. | Not declaredThe manufacturer/source we use does not provide enough information to establish a quantity. This does not necessarily mean the product contains zero. |
| Caffeine status | No caffeine ingredient declared | No caffeine ingredient declared |
| 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. | The listed non-caffeinated variants reviewed do not declare caffeine; Skratch separately labels certain variants '+50mg Caffeine'. |
| Sugar | ||
| Sugar (g) | 1← Lowest | 18← Highest |
| Carbohydrates (g) | 4← Lowest | 19← Highest |
| Calories | ||
| Calories | 15← Lowest | 80← Highest |
| Composition | ||
| Sodium source | Sodium Bicarbonate, Sodium Carbonate | Sodium Citrate |
| Potassium source | Potassium Chloride, Potassium Bicarbonate | Potassium Citrate |
| Magnesium source | Magnesium Oxide | Magnesium Carbonate |
| Calcium source | Calcium Carbonate | Calcium Citrate |
| 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). | Cane Sugar, Sodium Citrate, Dextrose, Mango Powder, Citric Acid, Calcium Citrate, Magnesium Carbonate, Potassium Citrate, Ascorbic Acid. |
| Sweeteners | ||
| Sweetener | Stevia | Sugar |
| Artificial sweeteners | No artificial sweeteners declared | Not declaredThe manufacturer/source we use does not provide enough information to establish a quantity. This does not necessarily mean the product contains zero. |
| Coloring | Coloring declared | No coloring declared |
| Dietary certifications | Vegan, Gluten Free, Kosher, Non-GMO | Dairy-free, Gluten-free, Nut-free, Kosher, Vegan, Non-GMO |
| Where to buy | ||
| Retailers |
| Amazon Find Similar on Amazon →
|
| Verification | ||
| Last verified | 2026-08-14 | 2026-08-14 |
What's different?
Skratch Labs Hydration Sport Drink Mix declares 400mg sodium — more than Nuun Sport (300mg). Nuun Sport declares 150mg potassium — more than Skratch Labs Hydration Sport Drink Mix (80mg). Skratch Labs Hydration Sport Drink Mix declares 80mg magnesium — roughly 3.2× more than Nuun Sport (25mg). Skratch Labs Hydration Sport Drink Mix declares 18g sugar — roughly 18.0× more than Nuun Sport (1g).