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  3. Roctane Electrolyte Capsules vs FastChews

GU Energy Roctane Electrolyte Capsules vs SaltStick FastChews

GU Energy Roctane Electrolyte Capsules has 0 g of carbs a serving and SaltStick FastChews has 2 g. Here's how they compare on weight, cost, sodium and the label, and what your race looks like on each.

GU Energy Roctane Electrolyte Capsules

GU Energy

Roctane Electrolyte Capsules

0 g of carbs a serving.

Carbs
0 g
Price
$0.18 a serving
RC Science Score
51out of 100
See it at guenergy.com
SaltStick FastChews

SaltStick

FastChews

2 g of carbs a serving, from sugar.

Carbs
2 g
Price
$0.67 a serving
RC Science Score
63out of 100
See it at saltstick.com

numbers from each brand's label, verified by CarbRate

Which salt cap fits you?

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GU Energy Roctane Electrolyte Capsules

    Fits you

    SaltStick FastChews

      Fits you

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      Head to head

      Longer bar is better for racing on every row. The lit side wins it.

      GU Energy Roctane Electrolyte CapsulesSaltStick FastChews
      0 g
      Carbs per servingg
      2 g
      0.0 g
      Carbs per dollargrams for $1
      3.0 g
      140 mg
      Sodium per servingmg
      100 mg
      51
      RC Science Scoreout of 100
      63
      Full label numbers
      Roctane Electrolyte CapsulesFastChews
      Carbohydrate0 g2 g
      Serving weightnot listednot listed
      Calories010
      Sodium140 mg100 mg
      Potassiumnot listed30 mg
      Caffeine0 mg0 mg
      Protein0 gnot listed
      Carbs fromnot listedsugar
      Cost per serving$0.18$0.67
      RC Science Score5163

      On the label

      3 of 4 differ: vegan and gluten free and glucose + fructose.

      GU Energy Roctane Electrolyte Capsules

      • Vegan
      • Gluten free
      • Glucose + fructose
      • Caffeine free

      SaltStick FastChews

      • Vegan
      • Gluten free
      • Glucose + fructose
      • Caffeine free

      Your race on each salt cap

      Set your carbs an hour and race length. Both options hit the same target.

      Roctane Electrolyte CapsulesFastChewsHalf each
      Salt caps an hourInfinity30Infinity + 15
      Salt caps for the raceInfinity120Infinity + 60
      Sodium an hourInfinity mg3000 mgInfinity mg
      Cost for the race$Infinity$80.40$Infinity
      Infinity Roctane Electrolyte Capsules an hour is more than most stomachs take. Move part of your carbs into a drink mix. Half each takes half your carbs from each.

      Your own carbs an hour depend on your body and goal time.

      Build my free plan

      Questions and next steps

      Full details on each

      Full details

      Sources

      1. Product numbers: each brand's label (guenergy.com, saltstick.com), verified by CarbRate.
      2. RC Science Score: CarbRate's scoring of each product against the fueling research, explained on each product page.

      Find Out How Many Salt caps Your Race Needs

      CarbRate builds your fueling plan from the amount of glycogen you burn, your goal time, your course and the salt caps you use.