CREATINE FOR CYCLISTS: BENEFITS, DOSAGE, BEST TYPE AND WHO SHOULD USE IT

Does creatine actually make you a faster cyclist? The short answer is yes!

But with a catch.

Creatine works if you’re looking for more sprint power, better gym gains or a way to protect your muscles as you age. While it won't magically transform your long endurance rides, it’s a powerhouse for high-intensity efforts and faster recovery.

Think of creatine as a supplement for your “red zone.” It’s support for the attacks, and those short, steep kickers.

If your riding involves explosive moments, like closing a gap, attacking on a short riser, or a 200-meter dash to the line, creatine has a clear role to play.

If you're a pure climber obsessed with grams and power-to-weight ratio for long mountain passes, however, the slight water-weight gain might actually work against you.

For the masters rider or the cyclist who spends ample time hitting the weights in the gym, though, the evidence is hard to ignore.

WHAT DOES CREATINE ACTUALLY DO FOR CYCLISTS?

Creatine is a natural compound that helps your body regenerate ATP during short, hard efforts. But what does that actually mean?

Think of ATP as your body’s energy currency. Every time your muscles contract, you use ATP for fuel. When it’s spent, it becomes ADP – and your body needs to quickly convert it back into ATP to keep producing power.

This is where creatine comes in.

Stored in your muscles as phosphocreatine, it helps rapidly regenerate ATP during high-intensity efforts. The catch is that your natural stores are limited, and they can only support about 5-15 seconds of maximal output before they run out.

Creatine supplementation increases these stores. That means you can:

• Produce high power for slightly longer
• Recover faster between hard efforts
• Repeat those efforts more effectively

This is why creatine is particularly useful for cyclists who need to sprint, attack and recover multiple times in a ride or race.

It’s important to note that this system plays a much smaller role in long, steady efforts like sustained climbs, where your aerobic system is doing most of the work.

Supplementing with creatine can increase phosphocreatine stores in your muscles by around 20 percent, according to the International Society of Sports Nutrition (ISSN). This allows for faster energy replenishment between repeated surges.

For a crit rider accelerating out of corners or a track cyclist responding to attacks, that can translate directly into stronger, more repeatable efforts.

➡️ TIP: If you train for repeated high-intensity efforts, beta-alanine is another supplement worth adding to your stack.

DOES CREATINE WORK FOR ENDURANCE CYCLISTS OR ONLY SPRINTERS?

The strongest evidence points to creatine supporting sprinting and repeated high-intensity efforts, although it can also indirectly help endurance-oriented riders. Even in endurance racing, the win often comes down to the final sprint.

According to an International Journal of Sports Medicine study published in 1998, creatine loading can improve repeated sprint power performed after exhaustive endurance exercise, although it does not increase endurance capacity itself.

The evidence for creatine supplementation is strongest when repeated surges and attacks are happening. For example, road races, track events, crits, gravel races and cyclocross all demand intermittent bursts of intensity interspersed between longer, aerobic efforts.

A study published in Medicine & Science in Sports & Exercise in 2018 showed improved end-of-race sprint power with creatine supplementation, but no improvement in overall time-trial performance, partly due to increased body mass. That finding is significant because it reflects what actually happens in competitive cycling: the race’s decisive moment arrives after hours of accumulated fatigue.

END-OF-RACE SPRINT FINISHES

Research on elite cyclists – including the 1998 International Journal of Sports Medicine study cited earlier in this article – has shown that creatine loading improves peak power in short sprint efforts at the end of prolonged cycling bouts. For riders who regularly sprint during bunch finishes, this may be relevant, as the study reflects the physiological demands of producing short bursts of power after prolonged fatigue.

GYM AND STRENGTH-TRAINING BLOCKS

When paired with resistance training, creatine supplementation consistently increases strength, lean mass and training capacity, according to the International Society of Sports Nutrition’s position on creatine, which was published in 2017.

In other words, cyclists who incorporate off-season or in-season strength work can expect better adaptation from those sessions.

WHERE THE EVIDENCE IS WEAKER

Despite its advantages for sprinting and repeated efforts, creatine does not significantly improve all aspects of cycling performance.

CLASSIC ENDURANCE MARKERS

Creatine does not meaningfully improve VO2 max, lactate threshold or time-trial performance at a fixed, steady intensity.

This 2024 study of professional U23 cyclists found that high-dose, short-term creatine supplementation (20 grams per day for seven days) did not improve recovery markers, body composition or performance during a strenuous training camp.

So if your events are long, flat time trials ridden at a constant output, creatine is unlikely to make much difference.

LONG, STEADY CLIMBING

For sustained climbing at or near threshold, the 0.5-1.5 kilograms of water-retention weight gain associated with creatine can negate any power benefit. Riders whose primary goal is the power-to-weight ratio in mountain stages should weigh that trade-off carefully.

SO, WHAT ARE THE MAIN CREATINE BENEFITS FOR CYCLISTS?

Here’s how to translate creatine research into cycling-specific scenarios:

• Sprint power. Creatine supplementation gives you higher phosphocreatine stores. This translates to being able to produce more watts in short efforts that last between 5-30 seconds. That means stronger sprint finishes, sharper accelerations and more power to bridge a breakaway.

• Repeated attacks and breakaways. Criteriums, long track races and gravel racing require surging, recovering and surging again. Creatine helps to regenerate ATP faster between bursts, so your fifth attack is closer in quality to your first.

• Strength training. When you integrate strength training such as squats, deadlifts and plyometrics into your training plan, creatine helps you do more work per session and helps you recover faster in between sets. This means you get stronger faster, which compounds into greater force production on the bike.

• Recovery and muscle damage support. Preliminary research suggests creatine has antioxidant and anti-inflammatory properties that may reduce exercise-induced muscle damage when taken consistently in the days before and after hard efforts.

• Muscle retention. Creatine helps to preserve lean muscle mass during calorie deficits, high-volume training and sarcopenia (age-related muscle loss).

THE DOWNSIDES OF CREATINE FOR CYCLISTS

The main drawback of creatine supplementation for cyclists is weight gain due to increased water retention, but that doesn’t mean creatine should be avoided.

In the first one to two weeks of use, especially with a loading protocol (a short period of higher daily doses used to quickly saturate muscle stores), many users will see weight gain of around 0.5-1.5 kilograms.

But this isn’t all bad. It’s an increase in the water stored inside muscle cells where it can decrease fatigue during heat training and make muscles look more defined.

For track cyclists and flat road or criterium racers, the extra weight is a worthy trade-off for the extra sprint power.

But for cyclists trying to be as light as possible for a mountain finish, it’s a legitimate concern.

In this article in Velo, dietitian Alan McCubbin, a past president of Sports Dietitians Australia, wrote: