Training
Creatine for Cyclists: Sprint Power vs Carried Weight
Power-to-weight is the tension. When the sprint gain outweighs the kilogram you carry uphill.
Cycling makes the creatine decision unusually concrete, because the sport has a metric that captures the trade-off directly: power-to-weight ratio.
Creatine adds power in specific efforts and adds weight in all of them. Whether that's a good deal depends entirely on your discipline.
The arithmetic
Creatine produces roughly 1–2 kg of intracellular water. For a 70 kg rider, call it 1.5 kg — around 2% of bodyweight.
On a sustained climb, power-to-weight largely determines speed. A 2% weight increase requires roughly a 2% power increase to climb at the same rate.
Creatine does not increase sustained aerobic power by 2%. It contributes almost nothing to a 20-minute threshold effort, which is aerobic. So on climbs, the trade is straightforwardly negative.
Where it's positive
Anaerobic efforts, and cycling has more of them than the climbing framing suggests.
Track sprinting. Match sprints, keirin, standing starts. Efforts of a few seconds to under a minute, overwhelmingly anaerobic. This is creatine's home ground, and added mass is largely irrelevant on a velodrome.
Bunch sprints. A 200–400 metre effort at the end of a road race. Phosphocreatine window.
Criteriums. Repeated accelerations out of corners for an hour, with incomplete recovery between. Almost the definition of repeated-sprint work.
Cyclocross and mountain biking. Repeated surges, technical accelerations, remounts. Same pattern.
BMX. Explosive start, short race. Ideal fit.
The decision by discipline
| Discipline | Verdict |
|---|---|
| Track sprint, BMX | Clearly worth it |
| Criterium | Worth it |
| Cyclocross | Worth it |
| Road racing, sprinter | Probably worth it |
| Cross-country MTB | Marginal, depends on course |
| Road racing, climber | Probably not |
| Time trial | No — sustained aerobic |
| Gran fondo, long endurance | No |
| Off-season gym block | Yes, any discipline |
The off-season case
Worth its own note, because it applies even to climbers.
Most serious cyclists now do resistance training in the off-season for maximal force production, injury resilience and bone density — the last being genuinely important, since cycling is non-weight-bearing and cyclists show elevated rates of low bone density.
Creatine improves the productivity of that gym work. See creatine for strength training and creatine and bone density.
Stores wash out over four to six weeks, so an athlete who wants to race light can use creatine through a winter block and come off in early spring. See what happens when you stop.
A note on bone
Cycling's non-weight-bearing nature is a real issue — low bone mineral density is more common in competitive cyclists than in the general population, and it interacts badly with crash risk.
The intervention with evidence is resistance training and impact work, not a supplement. Some trials combining creatine with resistance training have reported bone benefits, mostly in older adults, and creatine without training doesn't appear to affect bone. Treat it as a possible small addition to a strength programme rather than a reason to take it.
The fuelling point that matters more
Cycling has a well-documented problem with low energy availability — chronically consuming less energy than training demands. It affects bone density, hormonal function, immunity and performance, in both men and women, and the sport's culture around weight makes it more common than it should be.
Warning signs: recurrent stress injuries, frequent illness, disrupted or absent menstrual cycles, unusual fatigue, and power declining despite consistent training. Any of those is a conversation with a doctor or sports dietitian rather than a supplement question.
Carbohydrate availability and total intake determine cycling performance far more than creatine does.
Practical dosing
Standard 3–5 g maintenance, weight-adjusted. Our label serving of three gummies delivers 3 g. Daily including rest days — turnover doesn't pause.
If you're planning to race without it, come off six weeks before your target event to allow full washout plus a margin.
General information about a natural health product, not medical advice.