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We're setting a higher bar for fueling.

To make an outstanding performance bar for endurance athletes is no easy task. There is a long-standing history of brands marketing snack bars as performance products. The vast majority of these products are formulated for hiking and lower intensity "lifestyle" activity. Our energy bars are strictly designed for athletes in motion.

C30 Fuel Bars: Setting a Higher Bar for Endurance Fueling

Neversecond C30 Fuel Bars are engineered with cutting-edge sports science and real-world athlete feedback to deliver precise, sustained energy when it matters most. Unlike sticky or overly sweet bars, our C30 Fuel Bars are light, easy to chew, and optimized for fast digestion—even during high-intensity efforts.

A Proven Carbohydrate Blend

Each fuel bar delivers 30g of carbohydrate from our proven 2:1 glucose-to-fructose ratio, fueling very high energy demands with a low risk of stomach problems. Formulated for endurance sports like cycling, running, triathlon, and Hyrox, these bars give athletes consistent, reliable energy.

Built for Performance

Neversecond Energy Bars aren’t candy bars dressed as sports fuel—they’re purpose-built for performance.

Endurance Fuel Made Simple

Like all products in the Neversecond C-Series range, C30 Fuel Bars are modular—each one representing a precise fueling unit of 30g of carbohydrate. This makes it easy to plan and execute fueling strategies for races from a 10K to a long course triathlon, or from a gravel ride to an ultramarathon.

Trusted by Elite Athletes Worldwide

Top pros across cycling, running, triathlon, and adventure racing trust Neversecond Energy Bars because they know every product has been tested in the lab and proven on the world’s biggest stages.

What makes Neversecond C30 Fuel Bars different from other energy bars?

Neversecond C30 Fuel Bars are designed specifically for endurance athletes, not snacking. Each bar provides 30g of fast-digesting carbohydrate in a scientifically proven 2:1 glucose-to-fructose ratio for optimal fueling.

How much carbohydrate is in a Neversecond C30 Fuel Bar?

Each C30 Energy Bar contains 30 grams of carbohydrate, making it easy to calculate and track fueling needs. This modular approach helps athletes hit their fueling targets with precision in training and racing.

Are Neversecond C30 Fuel Bars easy to eat during exercise?

Yes. Unlike many dense or sticky bars, Neversecond C30 Fuel Bars have a light, easy-to-chew texture designed for fast digestion and low GI stress, even at high intensity.

Why does the 2:1 glucose-to-fructose ratio matter?

The 2:1 maltodextrin-to-fructose ratio allows the body to absorb more carbohydrate per hour—up to 120 grams of carbohydrate per hour—while minimizing the potential for developing stomach issues. This makes Neversecond C30 Fuel Bars ideal for endurance fueling.

Who should use Neversecond C30 Fuel Bars?

Our C30 Fuel Bars are perfect for cyclists, runners, triathletes, and Hyrox competitors, as well as anyone training for long-distance events who needs sustained energy.

Can I combine C30 Fuel Bars with other Neversecond products?

Absolutely. Neversecond C30 Fuel Bars are part of the C-Series range, which includes C30 Energy Gels, C30+ Caffeine Gels, and C30 Sports Drink Mix. Each product is designed in 30g of carbohydrate units for seamless fueling strategies.

Are Neversecond C30 Fuel Bars Informed Sport certified?

Yes. All Neversecond products, including C30 Fuel Bars, are Informed Sport tested to ensure they are free from banned substances and safe for elite competition.

How should I use C30 Fuel Bars during training or racing?

Consume 1 C30 Fuel Bar per 30 to 60 minutes depending on your carbohydrate needs, and pair with Neversecond C30 Gels or Drink Mixes to reach your optimal fueling plan.

Are Neversecond C30 Fuel Bars good for recovery?

While designed for in-race fueling, C30 Fuel Bars also work as a quick post-training snack to replenish glycogen, especially when paired with Neversecond P30 Recovery Drink Mix for protein support.

Driven by science.

We use only evidence-based research and studies to develop our products.

What’s on the label is what’s in it.

No unnecessary ingredients. No syrupy flavors. No magic ingredients. No birthday cake bars.

Trust but verify.

All Neversecond products are rigorously tested and certified free of banned substances by Informed Sport.

We test exhaustively.

We test new products rigorously in our performance lab and in the field with athletes.