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Long efforts need fuel your gut can handle. This uses two carb sources your body absorbs by two paths, so you take on more energy with less stomach trouble, with electrolytes built in.
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Long efforts need fuel your gut can handle. This uses two carb sources your body absorbs by two paths, so you take on more energy with less stomach trouble, with electrolytes built in.
Fuels Endurance: 24g of carbohydrates provide sustained energy during long efforts.
Optimised Absorption: 1:0.8 glucose to fructose ratio maximises uptake and reduces gut stress.
Hydration Support: 200mg sodium plus key electrolytes replace sweat losses and maintain balance.
Backed By Science
The Core Gel is a neutral flavour carbohydrate energy gel, designed to fuel long training sessions and endurance efforts.
Using a Dual Fuel Carbohydrate Formula, each gel delivers 24g of carbohydrates in a 1:0.8 ratio of glucose to fructose, optimising absorption and reducing GI discomfort.
Added 200mg of Sodium and electrolytes support hydration and muscle function.
One clean formula, three jobs. Daily hydration, focused energy, and overnight recovery, in a can you can take anywhere.
Formula
200mg
sodium
24g
Carbohydrates
1:0.8
Glucose-to-Fructose Ratio
When to use
Evidence-based ratios. No sugar. Just clean hydration that works.
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Fast-acting fuel, clean and easy.
The Core Gel is a neutral flavour carbohydrate energy gel, designed to fuel long training sessions and endurance efforts.
A hard session burns through 60 to 90g of carbs an hour. Glucose-only fuel hits the gut's absorption ceiling at around 60. The 1:0.8 formula opens a second pathway, so Cadence raises the ceiling, not the gut load.
Glucose is the fast route. It moves through the gut's primary transporter straight into the bloodstream and on to working muscle, sparing the glycogen your later miles depend on. On its own, though, that route saturates at roughly 60g an hour. Take on more than the transporter can carry and the surplus sits in your stomach, which is where mid-race nausea starts.
Fructose enters through a separate transporter, so it adds absorption capacity instead of competing for it. Research on dual-source fuelling shows a 1:0.8 glucose-to-fructose ratio delivers a higher carbohydrate burn rate with less gut distress than the older 2:1 standard. Two pathways working at once is what makes stacking three to four gels an hour possible, and keeps you inside the 60 to 90g window on the longest days.
Sodium is not an add-on here. Glucose is absorbed through a sodium-dependent transporter, so the 200mg in each gel is part of the fuel delivery system as well as sweat replacement. Alongside potassium, calcium and magnesium, it supports the fluid balance and muscle contraction that keep long efforts smooth.
Hydrating worldwide
Science-backed fuel
Get usable energy in mid-effort, without the cramps and bloat that end long sessions. Here's how ours compares to what's usually in the race vest.
Hunter Woodhall
400m T62 World Record Holder
Charlie Lawrence
50 Mile World Record Holder
Tara Davis-Woodhall
Long Jump World Champion
Alex Yee
Professional Triathlete
A fuel gel for long efforts. 24g of dual-fuel carbs with electrolytes built in.
Glucose and fructose together, absorbed by two different paths, so you take on more energy with less gut trouble.
Single-sugar gels bottleneck absorption, which is what causes the cramps and bloat. Two sources spread the load.
Yes, 200mg sodium plus potassium, magnesium and calcium. You fuel and hydrate in one.
Before, during or after a long session or race.
Start with one and see how you feel.
Not essential, but a little helps.
Neutral on purpose, so you're not sick of it by gel four.
Yes. Safe for tested athletes.
Yes.
Surveyed Cadence customers reported effective results across performance, hydration and everyday recovery.
Every batch is tested by trusted global programs including Informed Sport Certified.
Every formula is calibrated to what your body actually loses in sweat, not a generic electrolyte dose.
Backed By Science
Overall rating: 4.890909 / 5 from 165 reviews.
Core Gel is highly praised for its enjoyable texture and great taste, with a light and slightly sweet flavor.
Review topics: ["quality","feel","packaging","issues","texture","ingredients","consistency","work","stomach","energy","difference","service","shipping","taste","gels","runs","brand","fuel","option","sodium"].
"The texture and flavor are light enough that you don't need to chug a whole bottle of water just to get one down, which is a huge plus when you're pushing past double-digit miles. If you're looking for clean, reliable intra-run fueling that actually works when the mileage adds up, these are well worth adding to your routine."
"Tasty gel with nice consistency and neutral enough flavour. Incorporated into my fuelling plan for ultras to combat flavour fatigue. Only downside, the edges of the packet at the opening can be slightly uncomfortable when taking the gel, the top of the gel is quite wide."
"First time ever using a carb gel, really enjoyed the flavour - got a citrus taste from it No gut problems Great consistency No phlegm in throat after use Easy to open and get down Great product!"
"The gel is great. Whether it’s for long runs or racing it goes down smooth and doesn’t leave a bad taste in your mouth. I couldn’t recommend it enough!"
"I give 4 stars because too sweet for me. I force myself to take it. I do love it as it wasn’t upset my stomach and texture was good. Only the sweetness that was my issue."
"I feel amazing with it, I´m actually preparing for a non-profit race from here (Mexico City) to a town called Valle de Bravo, I´m running it solo, 135 kilometers in 16 hours, I felt great this week on my trainings with them, and I´m sure they will be a game changer for the race, thanks to you, Ross and all the team and brand you´ve assembled, hope you keep getting bigger and bigger. Cheers, Rubs and Jeanette"
"These are great for my stomach on long runs. The consistently feels smooth and I use them every 30mins on my long distance runs. 4 stars because the flavour can be chemically a little. Would like to see mild flavours added if possible one day. Nothing major just like a hint of flavour like watermelon or slight orange"
"So good I’m training for my first marathon in Honolulu, honestly the whole hydration have kept me in good energy and revival even with work shifts, I’m able to train and still have energy to go work."
"Sat perfectly fine in my stomach and gives the added boost when a run starts to feel like it's winning the battle. Tastes good too!"
"the no flavor flavor is ideal, doesn't taste fake. Easy to get down and doesn't linger"
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Cans for the move, sachets for training, a Sleep formula for the recovery window. The Starter System puts the full 24-hour range in one place, with a bottle to run it. The simplest way to cover & enjoy your 24-hour hydration.
What's included in the bundle:
