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Nuun
Endurance
Our analysis — editorial take, not from the label
Distinct from Nuun Sport, this scoop-based mix pairs a higher electrolyte dose (380 mg sodium, 200 mg potassium) with 16 g of carbohydrate per serving, aimed at sessions past 90 minutes.
- Sodium
- 380 mg
- Potassium
- 200 mg
- Sugar
- 15 g
- Servings
- 16
Price tier: Mid-range · relative cost per full serving across this database
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Plant-based powder with dual carbohydrate sources, sold in Mixed Berry, Lemon Lime, Citrus Mango, and a caffeinated Strawberry Lemonade.
Label verified: July 2026 · View label source
Label data
Per full serving · 16 servings per container · from the manufacturer's panel
| Sodium | 380 mg |
|---|---|
| Potassium | 200 mg |
| Magnesium | 20 mg |
| Sugar | 15 g |
| Proprietary blend | No |
Primary label source: The Feed — retailer listing showing full Supplement Facts panel · verified July 2026
Cautions
- Contains 16 g carbohydrate (15 g sugar) per serving; factor into carbohydrate intake during long sessions.
- A caffeinated Strawberry Lemonade flavor (25 mg) exists in this line — confirm flavor before use if avoiding stimulants.
Formulated for healthy adults — not intended for anyone under 18. Full health & safety notes
Product details
Where this label sits
Nuun Endurance is one of the hydration mixes in the Scoop Sense database. Every active ingredient on the panel is listed with its own dose — nothing is hidden inside a blend total. It runs 16 servings per container at the full labeled serving. Everything on this page comes from the manufacturer's supplement facts panel as of July 2026 — never from the marketing page.
Key ingredients & studied doses
- Sodium · 380 mg. Sodium is the main electrolyte lost in sweat and is studied for its role in fluid balance and hydration during exercise.
- Potassium · 200 mg. Potassium works alongside sodium to support normal fluid balance and muscle function.
- Magnesium · 20 mg. Magnesium contributes to normal muscle and nerve function and to electrolyte balance.
Flavors & sweetener
Plant-based powder with dual carbohydrate sources, sold in Mixed Berry, Lemon Lime, Citrus Mango, and a caffeinated Strawberry Lemonade.
Who it's best for
Everyday training and moderate sweat losses — a middling sodium load. The sugar is part of the design, aiding fluid uptake the way oral rehydration research uses glucose — skip it if you want zero sugar. Derived from the label figures above — not medical advice.
How we log this label
Every entry is built the same way: we read the current supplement facts panel, log each disclosed dose, compare it against the amounts used in published research, flag proprietary blends, and state the cautions plainly. The full methodology explains each step.
This label against the research
How we evaluate labelsEach bar shows the amount commonly used in published human research, and where this label's dose falls against it. Research amounts are context, not a recommendation — they are not doses, and nothing here is medical advice.
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Sodium per litre803 mg
At or above the studied amount0studied range 300 mg–700 mg2000 mg
380 mg per serving mixed into 473 ml is about 803 mg per litre. Sports-nutrition guidance puts sodium somewhere between about 230 and 1100 mg per litre of fluid for sustained sweating, depending on which body is writing — 300–700 mg per litre sits inside every version of it. Higher-sodium mixes are built for heavy sweat losses, not for casual sipping.
Source: Mosler et al., German Journal of Sports Medicine 2020 (DGE position) — “the optimal sports drink should contain 400-1100 mg / l sodium in addition to carbohydrates (4-8%)”
Common questions about Nuun Endurance
How much sodium is in Nuun Endurance?
380 mg per serving, alongside 15 g of sugar. Sodium is the main electrolyte lost in sweat, but needs vary widely with sweat rate and diet — and daily sodium from food counts toward the same total.
Does Nuun Endurance disclose every dose?
Yes — the label lists an individual amount for each ingredient, with no proprietary blends. That is what the "label fully disclosed" tag on Scoop Sense means, and it is what lets each dose be compared against the amounts used in published research.