4Endurance 2:1 Line: A Complete Guide for Athletes

The 2:1 range gives you different formats built around the same carbohydrate concept, so you can mix and match throughout your training or race. 

Drink your carbohydrates. Take a gel. Eat a bar. Switch to a jelly. Your training changes, your fuel can change with it.

Carbohydrates and endurance

Carbohydrates are an important part of sports nutrition, particularly during longer endurance sessions lasting more than 1 hour and during more demanding efforts. 

How much you consume depends on factors such as the duration and intensity of your activity, your overall nutrition strategy, individual preferences, and the other foods or drinks you consume.

Having several carbohydrate formats available makes it easier to build variety into that strategy.

The 4Endurance 2:1 line gives you five ways to do exactly that.

1. 2:1 Gel: when you want a compact carb option 

When you want a compact and easy-to-count carbohydrate serving, there’s 2:1 Gel.

Each gel provides 30 g of carbs, coming from 20 g of maltodextrin and 10 g of fructose, together with 100 mg of sodium.

That makes the numbers simple: one gel equals 30 g of carbs.

The gel can be used on its own or combined with drinks, bars, and other carbohydrate sources, depending on the duration of your training and your planned intake.

2:1 Gel is a compact and practical way to add 30 g of carbs to your fueling plan. 

Its light, less-sweet taste also makes it a practical option when you’re consuming sports nutrition regularly during longer efforts.

2. 2:1 Drink: when you want your carbs in the bottle 

Prefer drinking part of your carbohydrate intake?

2:1 Drink combines maltodextrin and fructose in the same 2:1 ratio, with each serving providing 30 g of carbs and 100 mg of sodium.

That means 20 g of maltodextrin + 10 g of fructose = 30 g of carbs per serving.

You can use the drink as one part of your carbohydrate strategy or combine it with gels, bars, and jellies during longer sessions.

2:1 Drink brings 30 g of carbs per serving to your bottle, giving you another format to build into your fueling plan.

Its light, refreshing taste provides another option for athletes who don't want all of their carbohydrates to come from solid foods or gels.

3. 2:1 Bar: when you want to chew your carbs 

Not every carbohydrate serving has to come from a bottle or gel.

2:1 Bar gives you a solid alternative, with 30 g of carbs per bar from glucose and fructose in a 2:1 ratio.

Each bar also contains 100 mg of sodium, alongside naturally occurring fibre, protein, and fat from its ingredients.

The solid format adds another texture to your fueling plan and gives you an alternative when you want to switch things up during longer sessions.

2:1 Bar delivers 30 g of carbohydrates in a solid format when you want to switch up your fueling.  

4. 2:1 Jelly Bar: when you want to switch up the texture

Somewhere between a traditional energy bar and a gel sits the 2:1 Jelly Bar. 

It combines glucose and fructose in a 2:1 ratio, with each bar providing 20 g of carbs, in a soft, fruity jelly format that gives you another way to add carbohydrates to your fueling strategy. 

Made with 50% fruit, the Jelly Bar offers a different taste and texture from traditional sports nutrition products. It contains no gelatin and is gluten-free, making it a practical alternative to gels, drinks, and solid bars during exercise.

2:1 Jelly Bar brings a soft, fruity twist to your fueling. 

5. Add caffeine when it fits your fueling strategy 

Want to include caffeine in your fueling strategy? The 2:1 line gives you two caffeinated options: 2:1 Gel+ and 2:1 Jelly Bar+.

2:1 Gel+ keeps the same carb ratio as the regular 2:1 Gel. Each gel provides 30 g of carbs, 100 mg of sodium, and 75 mg of caffeine.

If you prefer something you can chew, 2:1 Jelly Bar+ provides 20 g of carbs and 50 mg of caffeine per bar in the same soft, fruit-based format as the regular Jelly Bar.

This gives you two simple ways to include caffeine in your fueling plan while switching between different formats and carbohydrate amounts depending on your strategy.

When planning your intake, remember to account for other sources of caffeine you may consume, including coffee, drinks, gels, and supplements.

When you want caffeine in the mix, reach for 2:1 Gel+ or 2:1 Jelly Bar+.

One range, multiple ways to fuel

This is where the 2:1 line comes together.

You don't have to choose between gels, drinks, bars, or jellies, then stick with that choice for the entire session.

Use one format or combine several. Adjust your total intake according to the duration and intensity of your training, your nutrition strategy, individual tolerance, and the other carbohydrate sources you're consuming.

Different formats, one 2:1 fueling strategy. 

4Endurance 2:1 vs. Nduranz 1:0.8

If you're familiar with Nduranz, you might be wondering how it compares to the 2:1 line.

The most obvious difference is the ratio itself.

The 4Endurance range uses a 2:1 ratio, while the Nduranz line uses a 1:0.8 ratio.

Carbohydrate content also sets them apart. A serving of 4Endurance 2:1 Gel or Drink provides 30 g of carbs, while many Nduranz 1:0.8 products provide 45 g of carbs per serving (Nrgy Drink 90 even 90 g of carbohydrates per serving), offering an option for athletes planning a higher carbohydrate intake.

The electrolyte composition differs as well. 4Endurance 2:1 Gel contains sodium, while Nrgy Gel 45 contains Nduranz Electrolyte Mix®, a blend of sodium, chloride, potassium, and magnesium. 

There is a noticeable difference in taste, too. 4Endurance 2:1 has a lighter, less concentrated taste, while the Nduranz 1:0.8 range is more concentrated.

Choose the ratio that best fits your nutrition plan and preferences.

Ultimately, the choice comes down to how many carbohydrates you're planning to consume, the demands of your training or racing, individual tolerance, and your preferred taste and format.

Conclusion

Endurance fueling doesn’t have to rely on a single format. The 4Endurance 2:1 line offers different ways to include carbs in your plan, so you can choose what works for the session ahead.

The range is built around a 2:1 ratio of glucose to fructose, available across gels, drinks, bars, and jellies. 2:1 Gel, 2:1 Drink, and 2:1 Bar each provide 30 g of carbs and 100 mg of sodium per serving, while 2:1 Jelly Bar provides 20 g of carbs per bar.

There are also caffeinated options for athletes who want to include caffeine in their fueling strategy.

When you’re choosing between 4Endurance 2:1 and Nduranz 1:0.8, consider your planned carbohydrate intake, preferred taste and format, and individual tolerance. Each range uses a different carbohydrate ratio, so you can choose the approach that best fits your nutrition plan.

The key is to plan your intake, mix and match formats when it makes sense, and test your strategy during training before race day.