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🚴‍♂️ Supplement Use for Cyclists: What’s Worth It?

May 14, 2025

Barry Connolly (ANutr), DrivePerformanceNutrition

🧪 What Are Supplements?

Supplements are products designed to support or enhance your diet—usually in the form of powders, capsules, tablets, or drinks. In sport, they’re often used to improve health, recovery, or performance. You’ll find them everywhere, from protein powders and electrolyte tabs to ergogenic aids like caffeine and creatine.

But just because a supplement is popular doesn’t mean it’s necessary—or effective.

❓ Do We Need Supplements?

In most cases, no.

For the majority of cyclists, especially those training recreationally or at an amateur level—a balanced, well-structured diet will meet nearly all your performance and recovery needs.

That said, certain supplements can be useful when specific needs aren’t being met through food, or when the demands of training and racing increase.

🥦 The Importance of a Food First Approach

This is the golden rule in sports nutrition: food comes first, always.

Whole foods not only provide the macros you need—like carbs, protein and fats—but also deliver fibre, antioxidants, phytonutrients, and thousands of other compounds that help you stay healthy and perform at your best. Supplements can never replace the nutrient density and complexity of real food.

Think of supplements as the “top-up” or the insurance policy—not the foundation of your nutrition.

💥 Sports Foods: Carbohydrate Powders, Gels & Recovery Drinks

These aren’t just supplements—they’re fuel.

When you’re riding for more than 90 minutes, especially at moderate to high intensity, your glycogen stores begin to drop. Carbohydrate-based sports foods like gels, chews, powders, and isotonic drinks are practical, effective ways to maintain energy levels, prevent fatigue, and delay the bonk.

Carb powders (e.g. drink mixes) are easy to digest and ideal for keeping carbs flowing during long rides without relying on solid food.

Gels and chews provide a concentrated dose of fast-absorbing carbs—perfect for races, climbs, or any time chewing is the last thing you want to do.

Recovery shakes or protein-carb mixes can help kickstart muscle repair and glycogen replenishment post-ride—especially when you’re not getting a meal in straight away.

Use these foods strategically as part of your fuelling strategy, not just as a “supplement.”

💼 Sports Nutrition Products: Do You Need Them?

💪 Creatine Monohydrate

Although often associated with gym-based sports, creatine can benefit cyclists too—especially sprinters or track riders. It supports short bursts of power and helps improve repeated high-intensity efforts.
How to use: 3–5g daily, consistently.

☕️ Caffeine

One of the most well-researched and effective performance supplements. Caffeine can improve endurance, reduce perceived exertion, and sharpen mental focus—useful in long events or hard sessions.
How to use: 2–3mg/kg about 45–60 mins before training or racing. For an 80kg rider, that’s around 160–240mg (roughly one strong coffee or an energy gel with caffeine).

🧪 Beta-Alanine

This one’s particularly useful in efforts lasting 1–4 minutes (hill climbs, time trials, or sprint surges). It works by buffering acid in the muscles, delaying fatigue.
How to use: 3.2–6.4g per day, over several weeks. Needs to be taken daily, not just on race day.

💊 Vitamins & Minerals: When Do They Matter?

In general, you should be able to get all your vitamins and minerals from a varied, balanced diet. But there are a few nutrients that can become low—especially in endurance athletes:

Vitamin D – Most people in Ireland have low levels in winter. Consider supplementing, especially if you’re training indoors or not getting regular sun exposure. Low Vitamin D levels may lead to a compromised immune system and impaired musculoskeletal health.

Iron – Critical for oxygen transport. Low levels can lead to fatigue and reduced performance. Female cyclists and those following plant-based diets are more at risk.

Multivitamins – May be helpful if you’re consistently missing out on food variety, travelling often, or in a calorie deficit.

Always get bloodwork done with your GP before starting supplementation. Taking unnecessary supplements can do more harm than good.

✅ Final Thoughts

Supplements can have a place in a cyclist’s nutrition plan—but only after the foundations of food, training, and recovery are in place. A tailored, food-first approach will always outperform a supplement-led one. Use science to guide your choices, not marketing.

And if you’re not sure what’s worth taking? Reach out today for a free consultation on how you can improve your nutrition and recovery!

About Me – Barry Connolly (ANutr), DrivePerformanceNutrition

I’m Barry Connolly, a graduate of Nutritional Sciences and a Registered Associate Nutritionist, with over 13 years of experience in endurance sports. From high-performance rowing to tackling the demands of long-distance triathlons, I’ve lived the challenges that endurance athletes face firsthand.

Inspired by the desire to help others get the most out of their endurance experience, I founded Drive Performance Nutrition and work with endurance athletes to help them optimize their fueling strategies, improve performance, and recover smarter. I find it incredibly rewarding to see athletes make meaningful changes to their nutrition, unlock their full potential, and achieve their goals—whether that’s a PB in a marathon, a strong finish in a triathlon, or simply feeling more energized in training.

Barry@Dryvperformance.com

0877103953

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