Controlled endurance, prolonged effort
► WATCH VIDEOWhether you practice trail running, marathons, triathlons, or cycling, the Long Energy +3H range is designed to support athletes during efforts exceeding 3 hours. It combines products tailored for different phases of activity—before, during, and after—to meet specific nutritional needs over long distances.
DISCOVER HOW LONG ENERGY +3H PRODUCTS SUPPORT YOUR NUTRITIONAL STRATEGY DURING PROLONGED EXERCISE.
+3H efforts, a challenge 3 times more demanding
After three hours of activity, nutrition becomes a crucial driver of performance:
- Controlled carbohydrate intake for stable energy
- Enhanced concentration thanks to regular intake and targeted nutrients
- Variety of flavors to ensure continuous and effective intake
- Flavors and textures created for a long-term nutrition strategy
Isostar takes up the challenge for you
A SCIENTIFICALLY DEVELOPED RANGE TO SUPPORT YOU DURING EFFORT
Discover the rangeDO YOU KNOW HOW MANY CARBOHYDRATES YOU NEED?
These curves show the importance of managing regular and smart carbohydrate intake based on your profile.
What does science say? 1, 5, 6, 9, 10, 11
A modular range at every stage
Carbohydrates
Protein
The Result?
Enhanced and prolonged endurance*
Increased carbohydrate absorption rate
Less sweet taste and better tolerated over long periods
*Carbohydrate solutions contribute to improved physical performance during high-intensity, prolonged physical exercise in trained adults.
The Long Energy +3H range
A controlled and adjustable carbohydrate intake
Specially selected electrolytes
A variety of minerals and vitamins in each product
Formulas with BCAA in a 2:1:1 ratio included in the isotonic drink, Energy+ gel, Booster gel, and Recovery drink
No artificial colours or flavours
Practicality of transport and opening during exertion
Standard endurance products
Carbohydrate intake not tailored to each athlete’s profile
Less complete electrolyte intake
A limited selection of minerals and vitamins
Formulas without BCAAs
Frequent presence of artificial sweeteners and colors
Mixed practicality
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Isostar Long Energy Lemon 570g
Original price was: 16,95 €.10,17 €Current price is: 10,17 €. -
Isostar Long Energy Gel Orange 40g
Original price was: 2,75 €.1,65 €Current price is: 1,65 €. -
Isostar Long Energy Gel Caffeine Cola 40g
Original price was: 2,95 €.1,77 €Current price is: 1,77 €. -
Isostar Long Energy+ Bar Date Banana Choc 32g
Original price was: 2,45 €.1,47 €Current price is: 1,47 €. -
Isostar Long Energy Recovery Drink Macchiato 450g
Original price was: 16,95 €.10,17 €Current price is: 10,17 €.
Our scientific references to go further
- (1) Cao et al. (2025). A Review of Carbohydrate Supplementation Approaches and Strategies for Optimizing Performance in Elite Long-Distance Endurance.
- (2) Costa et al. (2019). Nutrition for Ultramarathon Running: Trail, Track, and Road.
- (3) Currell & Jeukendrup (2008). Superior Endurance Performance with Ingestion of Multiple Transportable Carbohydrates.
- (4) Ferrando et al. (2023). International Society of Sports Nutrition Position Stand: Effects of essential amino acid supplementation on exercise and performance.
- (5) Hassapidou (2011). Carbohydrate requirements of elite athletes.
- (6) Hausswirth, (2012). Nutrition et performance en sport : La science au bout de la fourchette.
- (7) Hearris et al. (2022). 13C-glucose-fructose labeling reveals comparable exogenous CHO oxidation during exercise when consuming 120 g/h in fluid, gel, jelly chew, or coingestion.
- (8) Jeukendrup, A. (2014). A Step Towards Personalized Sports Nutrition: Carbohydrate Intake During Exercise.
- (9) Jeukendrup & Moseley (2010). Multiple transportable carbohydrates enhance gastric emptying and fluid delivery.
- (10) König et al. (2020). Position of the working group sports nutrition of the German Nutrition Society (DGE): Carbohydrates in sports nutrition.
- (11) Podlogar & Wallis (2022). New Horizons in Carbohydrate Research and Application for Endurance Athletes.
- (12) Rowlands et al. (2017). Multiple-Transportable Carbohydrate Effect on Long-Distance Triathlon Performance.