OPENFUEL
Open-Source Endurance Fuel
Interactive

Formula Explorer

A live formulation tool. Adjust ingredient amounts and watch the nutritional profile, cost, and research alignment recalculate in real time. Start from a proven formula or build from scratch.

1

Select a product type

Choose between a carbohydrate gel, drink mix, or electrolyte formula.

2

Adjust ingredient amounts

Use sliders or type exact gram values. Carbs, electrolytes, and cost update instantly.

3

Read the alignment panel

The research alignment score and profile badges show how well your formula matches the evidence.

Product Type
Ingredients
Adjust grams per serving. Nutrition updates live.
Maltodextrin
Carbohydrate
16.7 g carbs
g
035 g$3.50/kg
Fructose
Carbohydrate
13.3 g carbs
g
025 g$2.20/kg
Sodium Citrate
Electrolyte
106 mg Na
g
02.5 g$4.60/kg
Sodium Chloride
Electrolyte
94 mg Na
g
01.5 g$0.64/kg
Potassium Chloride
Electrolyte
52 mg K
g
00.5 g$5.02/kg
Citric Acid
Buffer / Acid
g
00.8 g$4.83/kg
Xanthan Gum
Thickener
g
00.5 g$12.00/kg
Servings per Batch
Used to calculate total batch cost
20
1100
Formula Output
Per serving — live calculations
Total Carbs
30.0 g
Sodium
200 mg
Potassium
52 mg
Magnesium
0 mg
Serving Weight
31.0 g
Carb Ratio
0.80
glucose:fructose
Estimated Cost
Per serving$0.09
Per batch (20)$1.84
Research Alignment
Score80/100 — Good
Profile
Multi-transportableHigh-carbHydration-focusedGut-friendlyGood carb ratio
Research Targets
Carbohydrate Gel — ideal ranges
Carbohydrates20–30 g per serving
Sodium150–250 mg per serving
pH≤ 4.6 (with water)
Carb ratio1:0.8 glucose:fructose
OsmolalityHypertonic — always chase with water