Nuun Sport vs Promix Nutrition Electrolyte Drink Mix
This comparison uses the declared product and label data we hold for Nuun Sport and Promix Nutrition Electrolyte Drink Mix. Every figure below comes from the manufacturer's own panel or listing, on a per-serving basis. Where a brand does not declare a value we leave the cell blank instead of assuming zero.
Quick comparison
Per serving, as declared. Only attributes at least one product declares are shown.
| Attribute | Nuun SportGrape | Promix Nutrition Electrolyte Drink MixWhite Peach — Unsweetened |
|---|---|---|
| Sodium | 300mg | 1000mg |
| Potassium | 150mg | 200mg |
| Magnesium | 25mg | 60mg |
| Calcium | 13mg | Not declared |
| Sugar | 1g | 0g |
| Carbohydrates | 4g | 0g |
| Calories | 15 | Not declared |
| Caffeine | Not declared | Caffeine-free |
| Serving size | 1 tablet | 1 scoop |
| Format | Tablet | Powder |
Full side-by-side data
At a glance
Electrolytes
Caffeine
Sugar & sweeteners
Composition
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
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At a glance
Electrolytes
Caffeine
Sugar & sweeteners
Composition
Ingredients
Pink Himalayan salt / sodium chloride, potassium, magnesium; flavor-specific natural ingredients. Lightly sweetened version uses monk fruit.
Where to buy
Paid link — Electrolyte Nerd may earn a commission if you purchase through this link. This does not change the price you pay.
| Per serving | NUNuunNuun SportGrapeTablet · 1 tablet | PNPromix NutritionElectrolyte Drink MixWhite Peach — UnsweetenedPowder · 1 scoop |
|---|---|---|
| At a glance | ||
| 🧂 Sodium (mg) | 300← Lowest | 1,000← 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. | Caffeine-free |
| 🍬 Sugar (g) | 1← Highest | 0← Lowest |
| 🔥 Calories | 15 | Not declaredThe manufacturer/source we use does not provide enough information to establish a quantity. This does not necessarily mean the product contains zero. |
| Electrolytes | ||
| Sodium (mg) | 300← Lowest | 1,000← Highest |
| Potassium (mg) | 150← Lowest | 200← Highest |
| Magnesium (mg) | 25← Lowest | 60← 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. | 0 |
| Caffeine status | No caffeine ingredient declared | Verified caffeine-free |
| 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. | Verified caffeine-free |
| Sugar | ||
| Sugar (g) | 1← Highest | 0← Lowest |
| Carbohydrates (g) | 4← Highest | 0← Lowest |
| Calories | ||
| Calories | 15 | Not declaredThe manufacturer/source we use does not provide enough information to establish a quantity. This does not necessarily mean the product contains zero. |
| Composition | ||
| Sodium source | Sodium Bicarbonate, Sodium Carbonate | Himalayan pink salt |
| 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). | Pink Himalayan salt / sodium chloride, potassium, magnesium; flavor-specific natural ingredients. Lightly sweetened version uses monk fruit. |
| Sweeteners | ||
| Sweetener | Stevia | None |
| Artificial sweeteners | No artificial sweeteners declared | No |
| Coloring | Coloring 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. |
| Dietary certifications | Vegan, Gluten Free, Kosher, Non-GMO | Third-party lab tested, non-GMO, gluten-free, soy-free |
| Where to buy | ||
| Retailers | Amazon Click link for price Buy on Amazon →Paid link — Electrolyte Nerd may earn a commission from qualifying purchases. | Amazon Find Similar on Amazon →Paid link — Electrolyte Nerd may earn a commission from qualifying purchases. |
| Verification | ||
| Last verified | 2026-08-14 | 2026-08-15 |
Key differences
Sodium
Promix Nutrition Electrolyte Drink Mix provides 1000mg sodium per serving compared with 300mg in Nuun Sport, a difference of 700mg.
Sugar and carbohydrates
Nuun Sport provides 1g sugar per serving compared with 0g in Promix Nutrition Electrolyte Drink Mix, a difference of 1g. Nuun Sport provides 4g carbohydrate per serving compared with 0g in Promix Nutrition Electrolyte Drink Mix, a difference of 4g.
Mineral coverage
Nuun Sport declares 5 of the five minerals we track: sodium, potassium, magnesium, calcium, chloride. Promix Nutrition Electrolyte Drink Mix declares 3 of the five minerals we track: sodium, potassium, magnesium. Nuun Sport additionally declares calcium, chloride, which Promix Nutrition Electrolyte Drink Mix does not list in our source.
Calories
Promix Nutrition Electrolyte Drink Mix does not declare calories in our source, so it is left blank rather than recorded as zero.
Caffeine
Nuun Sport lists no caffeine ingredient, which is not the same as a declared caffeine-free claim. Promix Nutrition Electrolyte Drink Mix is declared caffeine-free.
Format
Nuun Sport is a tablet, while Promix Nutrition Electrolyte Drink Mix is a powder. Format changes how each product is carried, measured and mixed; it does not change the declared amounts above.
Serving and packaging
Nuun Sport states a serving of 1 tablet, and Promix Nutrition Electrolyte Drink Mix states a serving of 1 scoop.
Ingredients and sweeteners
Declared sweeteners differ: Nuun Sport → Stevia; Promix Nutrition Electrolyte Drink Mix → None. Promix Nutrition Electrolyte Drink Mix declare an artificial sweetener; Nuun Sport explicitly declare none. Dietary claims stored in our database: Nuun Sport → Vegan, Gluten Free, Non-GMO, Kosher; Promix Nutrition Electrolyte Drink Mix → Gluten Free, Non-GMO.
We describe what each label declares. We do not say one product is healthier, better or more effective than another — that depends on your own context, and label data alone cannot answer it.