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

The evidence does not settle it. A review of the research says adapting creatine timing to when you train is not supported by solid evidence. An 8-week trial in 34 athletes found timing added no influence over the measured outcomes.

Do I take creatine on rest days?

The timing research does not answer this. The standard maintenance figure is written per day, at 3 to 5 g a day. Training-day-only intake was studied in older adults, which is a different group.

Should I take creatine with food?

The International Society of Sports Nutrition position stand says ingesting creatine with carbohydrate or carbohydrate and protein appears to increase muscular uptake. Taking it with a meal also ties it to something you already do.

Does the 2013 study prove post-workout creatine is better?

No. The authors wrote that post-workout supplementation is possibly more beneficial, and listed the small sample and brief treatment duration as major limitations.

Creatine before or after a workout: the research

Take creatine at whatever time you will repeat every day. The timing research has not shown a reliable edge for before or after a workout, and a review of it says adapting timing to your training is not supported by solid evidence. The one study that leaned toward post-workout was small and short. GreekBody is an app, not a training program, and its free reminders can hold the daily slot for you. Below is what the studies found, the dose and food notes, and how to set the reminder.

The short answer: pick one time and keep it

Before or after is not the decision that matters. A review titled “Timing of Creatine Supplementation around Exercise: A Real Concern?” concludes that adapting creatine timing to when training is performed is not currently supported by solid evidence and should not be considered a real concern for now.

A later 8-week trial agrees. It gave 34 resistance-trained men and women 5 g of creatine monohydrate and found that the timing did not exert any additional influence over the measured outcomes.

So choose the slot you will hit. If your training days shift and you train in the evening, take it with the post-workout meal. If your sessions move around, tie it to breakfast. The rule is to use the same slot, not the best slot.

The studies below explain why advice online still points both ways.

Why the question exists

The idea that timing matters is a recent one. The research review describes it as a proposed consideration for loading muscle and gaining performance, while noting that consensus is lacking on the ideal ingestion time.

The reasoning behind it is that exercise appears to enhance creatine accrual in muscle when you supplement. The same review says the evidence for timing around exercise, whether before, during or after, is limited to only a few studies. A mechanism that sounds sensible is not the same as a measured difference between two slots, and that gap is where most online advice sits.

What the timing studies found

The post-workout case rests mostly on one trial. Antonio and Ciccone, 2013, had 19 recreational male bodybuilders take 5 g of creatine either immediately before or immediately after exercise, training about five days a week for four weeks.

The headline sounds firm. The text is not. The authors concluded that supplementation with creatine post workout is possibly more beneficial in comparison to pre workout supplementation. They also named the major limitations: a small sample size and a brief treatment duration.

The later 8-week trial above, with 34 athletes of both sexes, did not reproduce a timing effect.

The review sums up the state of play. Some evidence suggests greater benefits when creatine is consumed after exercise, although methodological limitations currently preclude solid conclusions.

Read together: a small early signal for after, a larger later trial with no difference, and a review that says the question is open. If you want to hedge, taking it after training costs you nothing. If that slot does not fit your day, the research gives you no reason to force it.

Dose, food and rest days

The guidance is written in doses, not clock times. The International Society of Sports Nutrition position stand says creatine stores can generally be maintained by ingesting 3 to 5 g a day. That figure is stated per day.

Food is a practical lever, and protein is already part of a lifter’s day. The same position stand says ingesting creatine with carbohydrate or with carbohydrate and protein appears to increase muscular uptake.

Rest days are where the evidence runs thin. A meta-analysis in older adults found that creatine taken only on resistance training days was associated with increased lean tissue mass and strength. Those were older adults, a different group from most readers here. The timing trials above do not test rest-day intake. The dosing guidance is daily, so the simple approach is to take it every day and keep the slot fixed.

Loading, form and the slower route

Buy creatine monohydrate. The International Society of Sports Nutrition calls it the most extensively studied and clinically effective form of creatine.

The same position stand says the quickest way to raise muscle creatine stores may be about 0.3 g per kg of body weight a day, followed by 3 to 5 g a day to maintain them. The first part is the loading phase. Taking the smaller amount from the start still raises stores, but the stand says this route gives only a gradual increase compared with loading.

Neither route involves a clock time. Whether you load or not, the daily habit is the variable you control, which is the argument for fixing a slot and not optimising it.

Choosing your slot

Treat the slot as a scheduling problem. You are picking the moment in your day that you reliably reach, and the options come down to three.

With breakfast. It works if you eat at about the same time every day, weekends included. The cost is that it has no link to training, which is fine given the research above.

With the post-workout meal, ideally one that hits your protein target. It follows the small 2013 signal. The cost is that it moves when your sessions move, and it fails on rest days unless you attach a second trigger.

Before training, in the bag or the shaker. It suits men who train at the same hour every day. It fails the first time a session is skipped, because the habit was tied to the gym and not the day.

If you cannot decide, take it with breakfast and stop thinking about it. A slot tied to the calendar survives a missed session. A slot tied to the gym does not. That is where a reminder earns its place: it is tied to the clock, so it fires on days the workout does not happen.

Set a creatine reminder in GreekBody

Reminders in GreekBody are free. Creatine, vitamin D and fish oil are suggested, and you can edit them or add your own with a time and days.

At the time you set, the app sends a notification with Taken and Skip. Tiles on Today carry the reminders, and the coach can see them. Reminders set for the same minute arrive as one notification, and Taken answers for all of them.

To set it up:

Open the reminders sheet from Today.
Pick creatine from the suggestions.
Set the time to your fixed slot, such as the post-workout meal or breakfast.
Choose the days. Every day matches the dosing guidance above.
Tap Taken when the notification arrives, or Skip.

The app records Taken or Skip and the coach sees it. The studies above only say the time of day is an open question.

The short version

Pick one slot, take the position stand’s 3 to 5 g a day, and take it with a meal if that helps you remember. The timing research does not support a before or after rule. A fixed slot and a reminder do the work that the clock does not.