Nuun Energy vs Tailwind Nutrition Endurance Fuel
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
🧂 Sodium100mg← Lowest
Caffeine80mg caffeine
🍬 Sugar2g← Lowest
🔥 Calories15← Lowest
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← Lowest
Carbohydrates4g← Lowest
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.
At a glance
🧂 Sodium620mg← Highest
CaffeineCaffeine-free
🍬 Sugar50g← Highest
🔥 Calories200← Highest
Electrolytes
Sodium620mg← Highest
Potassium180mg← Lowest
Magnesium24mg← Highest
Calcium52mg
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
StatusVerified caffeine-free
NotesVerified caffeine-free
Sugar & sweeteners
Sugar50g← Highest
Carbohydrates50g← Highest
SweetenerNone
Artificial sweetenersNo
ColoringFlavor-specific
Dietary certificationsNon-GMO, gluten-free, vegan, dairy-free, soy-free
Composition
Sodium sourceSodium citrate, sea salt
Potassium sourcePotassium chloride
Magnesium sourceMagnesium oxide
Calcium sourceCalcium carbonate
Ingredients
Non-GMO dextrose (glucose), non-GMO cane sugar, citric acid, sodium citrate, sea salt, potassium chloride, flavor, calcium carbonate, magnesium oxide; caffeinated flavors contain organic caffeine.
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 — Tailwind NutritionBuy Direct →
Standard retailer link — we do not earn a commission on this link.
| Per serving | NUNuunNuun EnergyWild BerryTablet · 1 tablet | TNTailwind NutritionEndurance FuelNaked (Unflavored)Powder · 2 scoops / 1 packet |
|---|---|---|
| At a glance | ||
| 🧂 Sodium (mg) | 100← Lowest | 620← Highest |
| ⚡ Caffeine | 80mg caffeine | Caffeine-free |
| 🍬 Sugar (g) | 2← Lowest | 50← Highest |
| 🔥 Calories | 15← Lowest | 200← Highest |
| Electrolytes | ||
| Sodium (mg) | 100← Lowest | 620← Highest |
| Potassium (mg) | 200← Highest | 180← Lowest |
| Magnesium (mg) | 15← Lowest | 24← Highest |
| Calcium (mg) | 15← Lowest | 52← Highest |
| 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) | 80← Highest | 0← Lowest |
| Caffeine status | Contains caffeine | Verified caffeine-free |
| Caffeine notes | Manufacturer states 80 mg caffeine per serving from green tea extract. | Verified caffeine-free |
| Sugar | ||
| Sugar (g) | 2← Lowest | 50← Highest |
| Carbohydrates (g) | 4← Lowest | 50← Highest |
| Calories | ||
| Calories | 15← Lowest | 200← Highest |
| Composition | ||
| Sodium source | Not declaredThe manufacturer/source we use does not provide enough information to establish a quantity. This does not necessarily mean the product contains zero. | Sodium citrate, sea salt |
| Potassium source | 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 chloride |
| Magnesium source | 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 oxide |
| Calcium source | 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 carbonate |
| Ingredients | ||
| Full ingredient list | Dextrose, Citric Acid, Organic Tapioca Syrup Solids, Natural Flavors, Malic Acid, Stevia Leaf Extract, Avocado Oil, Beet Juice (For Color). | Non-GMO dextrose (glucose), non-GMO cane sugar, citric acid, sodium citrate, sea salt, potassium chloride, flavor, calcium carbonate, magnesium oxide; caffeinated flavors contain organic caffeine. |
| Sweeteners | ||
| Sweetener | Stevia | None |
| Artificial sweeteners | No artificial sweeteners declared | No |
| Coloring | Coloring declared | Flavor-specific |
| Dietary certifications | Vegan, Gluten Free, Kosher, Non-GMO | Non-GMO, gluten-free, vegan, dairy-free, soy-free |
| Where to buy | ||
| Retailers |
|
|
| Verification | ||
| Last verified | 2026-08-14 | 2026-08-15 |
What's different?
Tailwind Nutrition Endurance Fuel declares 620mg sodium — roughly 6.2× more than Nuun Energy (100mg). Tailwind Nutrition Endurance Fuel declares 50g sugar — roughly 25.0× more than Nuun Energy (2g). Tailwind Nutrition Endurance Fuel declares 50g carbohydrate — roughly 12.5× more than Nuun Energy (4g). Tailwind Nutrition Endurance Fuel declares 200 calories — roughly 13.3× more than Nuun Energy (15).
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