Precision Fuel & Hydration PH 500 Electrolyte Tablets

Precision Fuel & Hydration PH 500 Electrolyte Tablets has 250 mg sodium and 1 g sugar per tablet mixed with 16 fl oz (473 mL) of water. That works out to 529 mg sodium per liter as mixed, with 0.6% carbohydrate, which is in our moderate sodium band. A 12 fl oz glass has 8 kcal.

  • Contains sugar
  • Low calorie
  • Caffeine free
  • Artificial sweeteners: sucralose
  • Keto friendly by our rule
  • Hypotonic (estimate)

Keto friendly here means 5 g total carbs or less per serving in every flavor. Tonicity is estimated from carbohydrate concentration alone. How we define these.

Precision Fuel & Hydration PH 500 Electrolyte Tablets packaging
Sodium per liter
529 mg
Sugar per 12 fl oz
0.8 g
Calories per 12 fl oz
8 kcal
Caffeine per serving
0 mg
Cost per serving
$0.80

Nutrition facts

Label values scaled to a common volume. "Not on label" means the label we checked does not list it.

Nutrition as mixedLabel serving is 1 tablet (4.5g), 16 fl oz (473 mL) of finished drink.
NutrientPer label servingPer 12 fl ozPer liter
Calories10 kcal8 kcal21 kcal
Total carbohydrate3 g2.3 g6.3 g
Total sugars1 g0.8 g2.1 g
Added sugars1 g0.8 g2.1 g
Sodium250 mg188 mg529 mg
Potassium130 mg98 mg275 mg
Magnesium10 mg7.5 mg21 mg
Calcium20 mg15 mg42 mg
Chloridenot on labelnot on labelnot on label
Caffeine0 mg0 mg0 mg
Carbohydrate concentration0.6% (g per 100 ml)
Sodium to potassium ratio1.9 to 1 by weight

Label checked . Source (opens in a new tab)

Serving and mixing

Label serving
1 tablet (4.5g)
Finished drink per serving
16 fl oz (473 mL)
Servings per container
15
How to mix
1 tablet in 16 fl oz (473 ml) water (US page directions). Brand names strengths by sodium per litre / per 32 oz, not per tablet.

Flavors

  • Single flavour (not named by brand)

Every flavor listed shares the same nutrition panel in our records.

Ingredients

Dextrose Monohydrate, Citric Acid, Sodium Bicarbonate, Potassium Bicarbonate, Sodium Citrate, Natural Flavors, Polyethylene Glycol, Sodium Carbonate, Malic Acid, Calcium Carbonate, Magnesium Carbonate, Sucralose.

Closest alternatives

The nearest products by sodium per liter, carb % and format. Other brands come first.

  • Sodium per liter, Nuun Energy Caffeine + B Vitamins: 634 mg/L, in the Moderate band (230 to 920 mg/L). Scale 0 to 2,500 mg/L.

    634 mg sodium per liter (this one: 529), 0.8% carbs (this one: 0.6%), same format.

  • Nuun Sport packaging
    Nuun SportNuun · Tablet
    Sodium per liter, Nuun Sport: 634 mg/L, in the Moderate band (230 to 920 mg/L). Scale 0 to 2,500 mg/L.

    634 mg sodium per liter (this one: 529), 0.8% carbs (this one: 0.6%), same format.

  • GU Hydration Drink Tabs packaging
    GU Hydration Drink TabsGU Energy Labs · Tablet
    Sodium per liter, GU Hydration Drink Tabs: 677 mg/L, in the Moderate band (230 to 920 mg/L). Scale 0 to 2,500 mg/L.

    677 mg sodium per liter (this one: 529), 0.6% carbs (this one: 0.6%), same format.

  • Nuun Zero Sugar packaging
    Nuun Zero SugarNuun · Tablet
    Sodium per liter, Nuun Zero Sugar: 423 mg/L, in the Moderate band (230 to 920 mg/L). Scale 0 to 2,500 mg/L.

    423 mg sodium per liter (this one: 529), 0.8% carbs (this one: 0.6%), same format.

Where this data comes from

Nutrition values come from the brand's nutrition label image. We could not find this product in USDA FoodData Central, so the label is the only source. See the Precision Fuel & Hydration product page (opens in a new tab) for current packaging.

Label checked . Source (opens in a new tab)

Spot an error or a label change? Tell us and we will recheck it. See the methodology for how we collect and convert label data.

FAQ

How much sodium is in Precision Fuel & Hydration PH 500 Electrolyte Tablets?

Precision Fuel & Hydration PH 500 Electrolyte Tablets has 250 mg sodium per tablet mixed with 16 fl oz (473 mL) of water. That is 188 mg per 12 fl oz and 529 mg per liter, which puts it in our moderate sodium band.

Does Precision Fuel & Hydration PH 500 Electrolyte Tablets have caffeine?

No. Every flavor of Precision Fuel & Hydration PH 500 Electrolyte Tablets we checked lists 0 mg caffeine.

Is Precision Fuel & Hydration PH 500 Electrolyte Tablets sugar-free?

No. Precision Fuel & Hydration PH 500 Electrolyte Tablets has 1 g sugar per serving, or 0.8 g per 12 fl oz. It also contains sucralose.

How much does Precision Fuel & Hydration PH 500 Electrolyte Tablets cost per serving?

About $0.80 per serving, based on $11.99 for Tube of 15 tablets at Precision Fuel & Hydration (US store) on Sep 24, 2026. That is $3.20 per 1,000 mg sodium. Prices change often, so check the retailer.

How many calories are in Precision Fuel & Hydration PH 500 Electrolyte Tablets?

Precision Fuel & Hydration PH 500 Electrolyte Tablets has 10 kcal per serving, or 8 kcal per 12 fl oz. Carbohydrate is 3 g per serving.