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When is the best time to take creatine, before or after a workout?
The timing barely matters. What decides creatine's effect is taking it every day so your muscles' stores stay full, not whether the dose lands before or after the workout.
Leaning evidenceHow we grade evidence
What the research says
Creatine does not work as an acute dose around the workout, but as a store built up in the muscle over weeks. In its position stand, the International Society of Sports Nutrition (ISSN) states that the total daily amount, around 3–5 grams, is what saturates that store and produces the effect. As long as the store is full, the exact time of day plays a secondary role.
A small randomised trial by Antonio and Ciccone tested the question directly. Nineteen trained men took 5 grams of creatine either just before or just after their strength session for four weeks. The groups did not differ significantly in either muscle mass or strength. A less rigorous analysis hinted that the post-workout dose might be slightly better, but the study was too small to show it with confidence, and intake and training were comparable between the groups.
A later review by Ribeiro and colleagues gathered the research comparing before, during and after exercise. Their conclusion is that the emerging evidence leans faintly toward taking creatine after the session, but that the methodological limitations are too significant to draw any firm conclusion, and that consensus is lacking.
Taken together: because the effect comes from a full store rather than from the timing around a single session, the practical difference between before and after is minimal. Consistency decides it, not the hour on the clock.
Why the myth exists
The obsession with timing spills over from the old anabolic-window idea in the protein debate: if there's a perfect second to eat, there ought to be one for creatine too. Then come the incentives. A protocol of loading phases, cycling and precise timing makes a cheap powder look advanced, and it justifies pricier products where the creatine is baked into a pre-workout you are meant to take right then. An honest message — take five grams whenever you remember — sells worse than a schedule. Our brains do their part as well: a rule to follow feels like more control over the outcome than an everyday "whenever."
What it means for you
Take 3–5 grams of creatine monohydrate every day, at a time you won't forget, for instance alongside a regular meal. On rest days the time makes no difference at all. What matters is not skipping days, so the store stays full. Don't spend any effort fitting the dose precisely around the workout; that gain isn't there to be had.
Sources
- International Society of Sports Nutrition position stand: safety and efficacy of creatine supplementation in exercise, sport, and medicine (Kreider et al.)
- The effects of pre versus post workout supplementation of creatine monohydrate on body composition and strength (Antonio & Ciccone, Journal of the International Society of Sports Nutrition)
- Timing of Creatine Supplementation around Exercise: A Real Concern? (Ribeiro et al., Nutrients)