What it is
Ingested carbohydrate provides fuel during prolonged exercise and can support glycogen replacement afterward. Glucose and fructose use different intestinal transport pathways.
Evidence basis: Human clinical evidence
At a glance
What it is, why people use it, the evidence, and what to know before trying it.
Why people use it
- Exercise fueling
- Post-exercise carbohydrate intake
Evidence at a glance
Carbohydrate drinks can support prolonged endurance exercise. Benefits depend on duration, composition and tolerance; water or ordinary meals may meet the needs of shorter sessions.
Confidence: moderate
Safety notes
Known side effects, interactions and use limits from reviewed sources.
Concentration and intake rate can affect gastrointestinal tolerance. Diabetes medication, fluid needs and dental exposure to sugars should be considered; drink volume does not reveal carbohydrate grams.
Forms and variants
This review does not automatically apply to:
- Carbohydrate-free electrolyte drinks
- Energy drinks defined by caffeine
- Oral rehydration solution for illness
Seen in protocols
Public protocols that include Carbohydrate drink. Open one to see the full context and source.
Common dose and timing
Amount and timing patterns reported in public protocols; these are observations, not instructions. Private and hidden usage is excluded.
Amount
- About one litre1 report · 100%
Timing
- After the reported long run1 report · 100%
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