Nuun Sport vs Dr. Berg Electrolyte Powder
This comparison uses the declared product and label data we hold for Nuun Sport and Dr. Berg Electrolyte Powder. 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 | Dr. Berg Electrolyte PowderCherry |
|---|---|---|
| Sodium | 300mg | 40mg |
| Potassium | 150mg | 1000mg |
| Magnesium | 25mg | 120mg |
| Calcium | 13mg | 37mg |
| Sugar | 1g | 0g |
| Carbohydrates | 4g | 3g |
| Calories | 15 | 15 |
| Caffeine | Not declared | Caffeine-free |
| Serving size | 1 tablet | 1 scoop (6g) |
| 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
Calcium (calcium lactate), iron (trace mineral complex), magnesium (magnesium citrate), chloride (pink Himalayan salt), sodium (pink Himalayan salt), potassium (potassium citrate), trace mineral complex; flavor-specific natural flavor and stevia.
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 | DBDr. BergElectrolyte PowderCherryPowder · 1 scoop (6g) |
|---|---|---|
| At a glance | ||
| 🧂 Sodium (mg) | 300← Highest | 40← 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. | Caffeine-free |
| 🍬 Sugar (g) | 1← Highest | 0← Lowest |
| 🔥 Calories | 15Equal | 15Equal |
| Electrolytes | ||
| Sodium (mg) | 300← Highest | 40← Lowest |
| Potassium (mg) | 150← Lowest | 1,000← Highest |
| Magnesium (mg) | 25← Lowest | 120← Highest |
| Calcium (mg) | 13← Lowest | 37← Highest |
| Chloride (mg) | 40← Lowest | 60← Highest |
| 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 | 3← Lowest |
| Calories | ||
| Calories | 15Equal | 15Equal |
| Composition | ||
| Sodium source | Sodium Bicarbonate, Sodium Carbonate | Pink Himalayan salt |
| Potassium source | Potassium Chloride, Potassium Bicarbonate | Potassium citrate |
| Magnesium source | Magnesium Oxide | Magnesium citrate |
| Calcium source | Calcium Carbonate | Calcium lactate |
| 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). | Calcium (calcium lactate), iron (trace mineral complex), magnesium (magnesium citrate), chloride (pink Himalayan salt), sodium (pink Himalayan salt), potassium (potassium citrate), trace mineral complex; flavor-specific natural flavor and stevia. |
| Sweeteners | ||
| Sweetener | Stevia | Stevia |
| 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 | Keto, vegan, gluten-free, NSF-certified facility |
| 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
Nuun Sport provides 300mg sodium per serving compared with 40mg in Dr. Berg Electrolyte Powder, a difference of 260mg.
Sugar and carbohydrates
Nuun Sport provides 1g sugar per serving compared with 0g in Dr. Berg Electrolyte Powder, a difference of 1g. Nuun Sport provides 4g carbohydrate per serving compared with 3g in Dr. Berg Electrolyte Powder, a difference of 1g.
Mineral coverage
Nuun Sport declares 5 of the five minerals we track: sodium, potassium, magnesium, calcium, chloride. Dr. Berg Electrolyte Powder declares 5 of the five minerals we track: sodium, potassium, magnesium, calcium, chloride.
Calories
Both declare the same calories per serving: 15.
Caffeine
Nuun Sport lists no caffeine ingredient, which is not the same as a declared caffeine-free claim. Dr. Berg Electrolyte Powder is declared caffeine-free.
Format
Nuun Sport is a tablet, while Dr. Berg Electrolyte Powder 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 Dr. Berg Electrolyte Powder states a serving of 1 scoop (6g).
Ingredients and sweeteners
All of these products list stevia as their declared sweetener. Dr. Berg Electrolyte Powder declare an artificial sweetener; Nuun Sport explicitly declare none. Dietary claims stored in our database: Nuun Sport → Vegan, Gluten Free, Non-GMO, Kosher; Dr. Berg Electrolyte Powder → Vegan, Gluten Free.
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.