Best electrolytes for the gym
Indoor sessions are short and air-conditioned, so most people searching this want moderate sodium without sugar or calories they did not ask for. The ordering weights exactly that, using declared values only.
47 products in our database qualify for this category, out of 150 we hold.
Short answer
Electrolyte Nerd currently lists 47 of 150 products that qualify for best electrolytes for the gym. All products are scored for this use case; anything without declared sodium ranks last. As of the current data, the top 3 are Nuun Sport — Citrus Fruit, Nuun Sport — Fruit Punch, Nuun Sport — Grape.
Figures come from declared product-label data per serving. Undeclared values are not treated as zero — products missing the value this page ranks on are excluded or ranked last rather than estimated.
How this page is built
- Which products are included
- All products are scored for this use case; anything without declared sodium ranks last.
- What the ranking represents
- Ordered by how closely declared sodium per serving matches the gym target range, with lower declared sugar preferred, then by label completeness.
- Scoring inputs, in order
- • Sodium per serving weighted toward 200–600mg
- • Lower declared sugar preferred
- • Completeness of the declared nutrition panel
Affiliate relationships do not determine our product data, verification or comparison methodology.
Full methodology →Ranked shortlist
- 1NU
Nuun Sport — Citrus Fruit
Tablet · 300mg sodium · 1g sugar
- • 300mg sodium per 1 tablet sits in the range this use case usually calls for.
- • Low declared sugar (1g).
- 2NU
Nuun Sport — Fruit Punch
Tablet · 300mg sodium · 1g sugar
- • 300mg sodium per 1 tablet sits in the range this use case usually calls for.
- • Low declared sugar (1g).
- 3NU
Nuun Sport — Grape
Tablet · 300mg sodium · 1g sugar
- • 300mg sodium per 1 tablet sits in the range this use case usually calls for.
- • Low declared sugar (1g).
- 4NU
Nuun Sport — Lemon Lime
Tablet · 300mg sodium · 1g sugar
- • 300mg sodium per 1 tablet sits in the range this use case usually calls for.
- • Low declared sugar (1g).
- 5NU
Nuun Sport — Orange
Tablet · 300mg sodium · 1g sugar
- • 300mg sodium per 1 tablet sits in the range this use case usually calls for.
- • Low declared sugar (1g).
- 6NU
Nuun Sport — Peach
Tablet · 300mg sodium · 1g sugar
- • 300mg sodium per 1 tablet sits in the range this use case usually calls for.
- • Low declared sugar (1g).
- 7NU
Nuun Sport — Strawberry Lemonade
Tablet · 300mg sodium · 1g sugar
- • 300mg sodium per 1 tablet sits in the range this use case usually calls for.
- • Low declared sugar (1g).
- 8NU
Nuun Sport — Tri-Berry
Tablet · 300mg sodium · 1g sugar
- • 300mg sodium per 1 tablet sits in the range this use case usually calls for.
- • Low declared sugar (1g).
- 9NU
Nuun Sport — Tropical
Tablet · 300mg sodium · 1g sugar
- • 300mg sodium per 1 tablet sits in the range this use case usually calls for.
- • Low declared sugar (1g).
- 10NU
Nuun Sport — Watermelon
Tablet · 300mg sodium · 1g sugar
- • 300mg sodium per 1 tablet sits in the range this use case usually calls for.
- • Low declared sugar (1g).
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Showing the top 10 of 47 qualifying products. Filter the full database yourself →
Compare the top 3 side by side →Product lines that qualify here
Each line page collects every flavour we hold for that product with the declared label data side by side.
- Gatorade Gatorlyte Rapid Rehydration Powder4 flavours qualify · Powder
- Gatorade Gatorlyte Rapid Rehydration RTD3 flavours qualify · Ready-to-drink
- LMNT Drink Mix11 flavours qualify · Powder
- Nuun Energy5 flavours qualify · Tablet
- Nuun Immunity2 flavours qualify · Tablet
- Nuun Sport10 flavours qualify · Tablet
- Nuun Sport Powder4 flavours qualify · Powder
- Skratch Labs Hydration Sport Drink Mix2 flavours qualify · Powder
Head-to-head comparisons
Both sides of each comparison qualify for this category.
Brands in this category
Related
Read the background
The sections of our guide that explain the numbers this page ranks on.