Energy Gels Explained: Top Picks and How They Fuel Your Run
Energy gels are one of the most popular ways to refuel during a run, providing a quick boost to maintain steady energy levels. But what makes energy gels so effective for running, and how do you know which one you should bring on your run?
At Running Warehouse, we break down the science of how energy gels work and share expert tips on using them effectively to fuel your run and maximize their benefits. We've also tested gels from all the top brands to give you our top picks for gels—and gel alternatives—that you'll want to have on every run!
Energy Gels Explained: Quick Fuel on the Go
Convenient to carry and easy to use, energy gels are a fast-absorbing source of carbohydrates that help sustain energy during long runs, speed workouts, or races. By providing the body with a combination of carbohydrates, such as fructose and maltodextrin, gels help prevent fatigue, maintain electrolyte balance, and support performance.
How Energy Gels Work
- Rapid Energy Supply: Energy gels contain sugars like maltodextrin, glucose, and fructose, which are quickly absorbed to fuel your muscles.
- Electrolyte Support: Most gels include sodium and potassium to prevent cramps and support hydration.
- Avoiding the "Bonk": Gels replenish glycogen stores to keep energy levels stable and prevent sudden fatigue.
Key Ingredients & Benefits of Energy Gels
- Maltodextrin: A slow-to-medium-release carbohydrate that provides steady energy and helps your body transition to fat-burning, reducing the risk of fatigue (or “bonking”).
- Fructose: A quick-burning sugar that delivers fast energy to working muscles, often paired with maltodextrin for optimal absorption.
- Amino Acids: Found in some ultra-endurance gels; they can help reduce mental fatigue, protect muscle protein, and aid post-run recovery.
Tips for Using Energy Gels
- Practice using gel: Test different brands, flavors, and timing during training runs. Avoid trying something new on race day.
- Timing Matters: Consume a gel every 30 to 45 minutes on long runs, adjusting for intensity and personal tolerance.
- Hydrate: Always take gels with water to enhance absorption and maintain electrolyte balance.
- Avoid Overeating: Stick to recommended amounts to prevent digestive discomfort.
Energy gels are an essential tool for runners seeking quick, reliable fuel during long or intense sessions. Choosing the right gel and practicing your strategy in training ensures maximum performance on race day.
Top Energy Gels
GU Energy Gels
Who says gels can’t taste good? GU Energy Labs offers a wide range of run fueling energy gels in tasty flavors to meet the needs of athletes at all levels. From classics like Chocolate Outrage and Vanilla Bean to more adventurous options like Campfire S'Mores and Salted Watermelon, there's a gel flavor to suit every taste.
More importantly, GU Energy Labs gels are formulated with a blend of simple and complex carbohydrates to provide sustained energy without causing a spike in blood sugar levels. In addition to a wide variety of flavors, GU gels are gluten-free and vegan, with options that include caffeine for an extra energy boost and amino acids to support performance and recovery. Whether you're a seasoned marathoner or a beginner training for your first race, GU Energy Labs gels are a tasty and effective way to fuel your endurance exercise.
Energy sources:
- Maltodextrin
- Fructose
- 21 – 23g of carbohydrates
Pick this gel if you want:
- Wide selection of flavors
- Gluten-free, vegan energy
- Caffeinated and non-caffeinated options
- Amino-acids to support performance and recovery (GU Roctane version only)
Maurten Energy Gels
Maurten is a Swedish sports nutrition company known for its science-driven approach to enhancing athletic performance. Their energy gels are made with natural ingredients and contain no added colors, flavors, or preservatives, helping to minimize gut irritation during runs.
Maurten’s patented hydrogel technology encapsulates carbohydrates in a gel matrix, allowing for smoother digestion and reduced stomach distress, which is a major benefit for runners with sensitive stomachs. Available in 25-gram and 40-gram carbohydrate options, Maurten gels provide efficient, easily digestible energy for both everyday training and long-distance efforts that help keep you focused.
Energy Sources:
- Glucose
- Fructose
- 25g/40g of carbohydrates
Pick this gel if you want:
- Best gel for sensitive stomachs
- Higher carb options for longer runs
- Minimal, natural ingredients
- Non-over sweetened, neutral flavor
NEVERSECOND Energy Gels
One of the biggest challenges with energy gels is opening them mid-run without making a mess. NEVERSECOND solves this issue with easy-to-open, easy-to-consume packaging, making it a great choice for fueling efficiently on the go. Each gel provides 30 grams of energy-replenishing carbohydrates and features a mild flavor and thin consistency to minimize gastrointestinal discomfort during hard workouts and races.
Available in both standard gels and caffeine-boosted, freezable versions, NEVERSECOND gels are gentle on the stomach yet powerful in performance.
Energy Sources:
- Fructose
- Maltodextrin
- 30g of carbohydrates
Pick this gel if you want:
- Easy-to-open packaging
- Neutral flavor and easily digestible consistency
- Freezable, caffeinated options for extra energy
Best Energy Gel Alternatives
While energy gels provide a quick and convenient carb boost on the run, we understand that the texture and flavor may not be for everyone. If you want mid-run fuel but aren’t keen on gels, here are some effective alternatives to help keep you moving:
Jelly Belly Sport Beans
Jelly Belly Sport Beans are a unique sports nutrition product designed to provide energy and nutrients in a fun and tasty way. Sport Beans are made with a blend of carbohydrates, electrolytes, and vitamins, making them a good source of quick energy during a workout. The beans are also free from high-fructose corn syrup and artificial ingredients, which is a plus for health-conscious athletes.
Clif Bloks Energy Chews
Clif Blok Energy Chews are a popular sports nutrition product among runners, and for good reason. These chewy, bite-sized blocks are made with organic, non-GMO ingredients and provide a convenient and tasty way to fuel during long runs and races. Each block contains a blend of carbohydrates, electrolytes, and essential vitamins and minerals, which work together to provide quick energy and support hydration and recovery. Clif Blok Energy Chews have a soft, chewy texture that's easy to digest, making them an excellent choice for runners with sensitive stomachs.
Honey Stinger Waffles
Honey Stinger Waffles are a delicious energy product gaining popularity among runners and endurance athletes. These waffles are easy to digest and made with organic ingredients, including honey, wheat flour, and a blend of essential vitamins and minerals, with a light and crispy texture. Available in a variety of flavors, including Salted Caramel, Chocolate, and Vanilla, they can be eaten as a mid-run snack or a pre-workout meal.
How We Made Our Picks
With a staff of running enthusiasts and experts, Running Warehouse is committed to staying up to date on the latest advancements in running hydration and nutrition. Ranging from track coaches to casual joggers, our experienced team tests the nutrition products we carry in real-world conditions across a variety of workouts to ensure that we base our recommendations on true performance insights that runners can rely on.
Frequently Asked Questions
How many gels should I take during a marathon?
Most runners benefit from a single gel every 30 to 45 minutes of running, depending on their energy needs and the gel’s carbohydrate content. Start fueling early, about 45 minutes into the race, and continue consistently to maintain energy and avoid hitting the wall. Always test your plan during training to find the timing that works best for your body.
Are gels better than chews or drink mixes?
While gels offer plenty of benefits, they’re not necessarily “better” than alternative fuel options. Which option you should choose for your run will depend on your own personal preferences.
- Gels: Quick and convenient, easy to digest, high in concentrated carbs.
- Chews: Slower to consume, often gentler on the stomach for some runners.
- Drink mixes/sports drinks: Provide hydration and carbs at the same time, but you may need more volume to meet carb needs.
Choosing what feels easiest on your stomach and works for your fueling strategy is the best way to maximize your performance and get the most out of every run.
How should you store energy gels on a run?
Thanks to their convenient design, energy gels can be stored easily in running vests, belts, or pockets, with many running shorts and tights even including designated gel pockets. Another option that some runners prefer is buying gels in bulk and filling a squeezable soft flask for easy access on the go.
Energy Gels: Convenient Fuel for Every Run
Fueling properly before, during, and after your runs is key to maximizing performance, reducing fatigue, and supporting recovery. Energy gels offer a quick and easy way to give your body the nutrients it needs to perform at its best and to help prevent fatigue, or “bonking”, during training and races. Experiment with different gels, practice your fueling strategy when you train, and you’ll find that the only thing smoother than an energy gel is your running performance!