Creatine · Guide

When to Take Creatine: Before or After a Workout?

The best time to take creatine is whenever you'll take it every day. Creatine works by building up in your muscles over weeks, not by giving you a boost on the day you take it, so consistency matters far more than timing. If you want an edge, some small studies suggest taking it close to your workout, particularly just after, may be slightly better. The difference, if there is one, is small.

Why timing matters less than you'd think

Caffeine and pre-workouts work within the hour. Creatine doesn't. A single dose tops up the creatine stored in your muscles a little; the benefit comes from those stores staying full, day after day. Once your muscles are saturated, which takes about a week with a loading phase or three to four weeks without, they stay full as long as you keep taking it (Kreider et al., 2017).

That's why sports nutrition researchers say there's no single best time, and that taking creatine consistently is what counts (Antonio et al., 2021).

Before or after a workout?

Timing What the evidence says
Shortly after training Possibly slightly better in small studies
Shortly before training Fine; similar results in most comparisons
Morning, away from training Fine; you'll still saturate your stores
Split across the day Fine; easier on the stomach
On rest days Take it anyway

The study most often quoted is a small 4-week trial in 19 recreational bodybuilders who took 5 g either just before or just after training (Antonio & Ciccone, 2013). The after-training group came out slightly ahead on muscle gain and bench press strength, but the differences were small and not statistically clear-cut.

The idea behind it makes sense: blood flow to the muscles is higher after exercise, and muscles may take up creatine a little better then. But the effect is small enough that if taking it after training means you'll forget it half the time, it's not worth it.

On rest days

Take it. Your muscles lose about 1 to 2% of their creatine a day whether you train or not, so a rest-day dose keeps stores topped up. Take it whenever suits you, for example with breakfast.

Morning or night?

Either. Creatine isn't a stimulant, so it won't keep you awake, and there's no evidence it works better at a particular time of day. If you train in the evening, taking it after your session is a reasonable default. If you train in the morning, the same applies. If you don't train at a set time, take it with your first meal.

With food or on an empty stomach?

Either works. Taking creatine with a meal that includes carbohydrate and protein may slightly increase how much reaches your muscles, but it isn't necessary. If creatine upsets your stomach, taking it with food usually helps.

What about mixing it with coffee or a pre-workout?

Coffee is fine. Early research suggested caffeine might blunt creatine's effect, but later studies haven't backed that up in any meaningful way. A warm coffee also dissolves creatine better than cold water.

Pre-workouts that already contain creatine often include less than a full 3 to 5 g. If you take one, check the label and top up to 3 to 5 g in total.

A simple routine

  1. Pick one thing you do every day: breakfast, your morning coffee, your post-workout shake.
  2. Add 3 to 5 g of creatine monohydrate to it.
  3. Do it on training days and rest days alike.
  4. If you miss a day, just carry on. Don't double up.

Our creatine dosage guide covers how much to take, and our creatine calculator works it out from your bodyweight. Wondering whether to load first? See creatine loading phase.

Questions people ask

Is it better to take creatine before or after a workout?

Some small studies suggest just after is slightly better, but the difference is small. Taking it every day matters far more than when.

Should I take creatine on rest days?

Yes. It keeps your muscle stores full. Take it whenever suits you.

Can I take creatine at night?

Yes. It isn't a stimulant, so it won't affect your sleep, and it works the same at any time of day.

Written by

Tom has trained in the gym for years and has taken 5 g of creatine every day for about a decade, with magnesium on and off for most of the year. Reading the research behind supplements started as a hobby; this site is where he writes it up. He isn't a doctor or dietitian, so every claim links to the study behind it.

Sources

  1. Antonio & Ciccone 2013, Pre versus post workout creatine (JISSN)
  2. Antonio et al. 2021, Common questions and misconceptions about creatine (JISSN)
  3. Kreider et al. 2017, ISSN position stand on creatine safety and efficacy (JISSN)

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