Nuun

Sport Tablets

✓ VerifiedelectrolyteCaffeine-free

stevia-sweetened; +Caffeine variant sold separately

100/100 Science Score

How this product rates on the fueling evidence.

Carbohydrate

4 g

Sodium

300 mg

Caffeine

0 mg

Potassium

150 mg

Serving

5 g

Per serving

$0.75

RC Science Score · 100/100

Why it scores what it does

Computed from verified data using the same evidence rules for every product — no opinions, no affiliate weighting.

Sodium delivery55/55

300 mg sodium per serving — a meaningful electrolyte dose for heavy sweat loss.

Full electrolyte profile20/20

Includes potassium (150 mg) alongside sodium.

Purpose-built (carb-light)25/25

Carb-light — a clean electrolyte source you can dose independently of your carbohydrate plan.

Compare it

Nuun Sport Tablets vs GU Energy Hydration Drink Tabs→Nuun Sport Tablets vs LMNT Recharge Electrolyte Drink Mix→Nuun Sport Tablets vs NEVERSECOND S200 Sodium Booster→Nuun Sport Tablets vs Precision Fuel & Hydration PH 1000 Electrolyte Drink Mix→

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