Creatine is one of the most extensively studied sports supplements available. It can support strength, power, lean muscle development and repeated high intensity exercise performance, particularly when combined with resistance training.
But does taking creatine at a particular time produce better results?
Based on the available research, taking creatine consistently is more important than taking it at a precise time. Taking it close to your workout may be convenient, but current evidence does not clearly establish that either pre workout or post workout supplementation is superior.
How Does Creatine Work?
Creatine helps increase the amount of creatine and phosphocreatine stored within skeletal muscle. Phosphocreatine helps regenerate adenosine triphosphate, commonly called ATP, during short bursts of intense activity such as weightlifting, sprinting and jumping.
Creatine does not work like caffeine. You do not need to take it immediately before exercise to experience an acute energy boost. Its benefits develop as muscle creatine stores gradually increase and remain elevated through regular supplementation. A traditional loading protocol can raise muscle creatine more quickly, while a smaller daily dose produces similar saturation over a longer period.
What Is the Best Time to Take Creatine?
The best time to take creatine is whenever you can take it consistently each day.
Research directly comparing pre workout and post workout creatine remains limited. Some early studies suggested that taking it after resistance training might produce slightly greater improvements in strength or body composition. However, later studies have not consistently confirmed that advantage.
A 2021 review concluded that although some emerging evidence favoured post workout supplementation, the studies had important methodological limitations and were not strong enough to establish firm timing recommendations.
The practical recommendation
Take creatine at a time that fits naturally into your routine:
- After your workout in a protein shake
- With breakfast
- With lunch or dinner
- Alongside another daily supplement
- At any other time you are unlikely to forget
Creatine Before Your Workout
Taking creatine before exercise is effective, provided you take it regularly.
However, taking a serving immediately before training does not necessarily create an instant performance effect. The purpose of daily supplementation is to maintain elevated muscle creatine stores rather than to produce an acute stimulant response.
Pre workout creatine can still be a good choice when:
- You already use a pre workout routine
- It is the easiest time for you to remember
- You prefer mixing it into a pre workout beverage
- Taking supplements later in the day is inconvenient
A controlled study in young adults found similar improvements in muscle thickness and strength whether creatine was taken immediately before or immediately after resistance training.
Creatine After Your Workout
Post workout creatine is also effective and may be the most convenient option for many people.
An early study involving recreational male bodybuilders reported greater improvements in fat free mass and strength when creatine was taken immediately after training rather than before training. However, the study included only 19 participants and its findings have not been consistently reproduced.
A later study examining creatine monohydrate before versus after resistance training did not find a meaningful difference between the two timing strategies.
Therefore, post workout creatine is a reasonable choice, but it should not be presented as definitively better than pre workout supplementation.
Should You Take Creatine With Food?
Creatine can be taken with or without food.
Research suggests that consuming creatine with a substantial amount of carbohydrate, or a combination of carbohydrate and protein, can increase whole body creatine retention. This effect is likely related to the insulin response produced by the accompanying nutrients.
This does not mean that you need a high sugar drink every time you take creatine. Creatine monohydrate remains effective when taken with water. Pairing it with a regular meal or post workout shake may simply be convenient and could modestly support retention.
Taking it with food may also feel more comfortable for people who experience stomach upset when using it on an empty stomach.
Should You Take Creatine in the Morning or at Night?
There is currently no strong evidence showing that creatine works better in the morning or evening.
Morning supplementation may be easiest for people who:
- Exercise early in the day
- Already take supplements with breakfast
- Prefer establishing a consistent morning routine
Evening supplementation may be easiest for people who:
- Train after work
- Use a post workout shake
- Prefer taking it with dinner
Creatine is not a stimulant, so it does not affect the body in the same way as caffeine. The most important consideration is choosing a time you can maintain consistently.
Should You Take Creatine on Rest Days?
Yes. Creatine should generally be taken on rest days as well as training days.
Taking it daily helps maintain elevated creatine stores within muscle. On a rest day, there is no special timing requirement. Take it with whichever meal or routine makes it easiest to remember.
There is also no need to take a larger dose because you are not exercising that day.
How Much Creatine Should You Take?
For most healthy adults, the standard maintenance dose is:
3 to 5 grams of creatine monohydrate per day
Creatine monohydrate is the most extensively studied form and remains the standard against which other forms are compared.
People with greater body mass or muscle mass may sometimes use a body weight based dose, but 3 to 5 grams daily is appropriate for many adults.
Do You Need a Creatine Loading Phase?
A loading phase is optional.
A commonly studied loading protocol is:
20 grams per day for 5 to 7 days, divided into four servings of approximately 5 grams.
This is followed by a maintenance dose of:
3 to 5 grams per day
Loading can increase muscle creatine stores more quickly. However, taking approximately 3 grams daily can also increase muscle creatine stores without loading, although it may take around four weeks to reach a similar level.
A slower approach may be more comfortable for people who experience digestive discomfort from larger servings.
Can You Take Your Entire Daily Dose at Once?
A typical maintenance dose of 3 to 5 grams can usually be taken in one serving.
During a loading phase, dividing the daily amount into several smaller servings may reduce bloating, loose stools or stomach discomfort. Taking 20 grams all at once is more likely to cause digestive symptoms.
Does Creatine Cause Weight Gain?
Creatine can cause an initial increase in body weight, but this does not mean it causes fat gain.
During a loading phase, body weight may increase by approximately 1 to 3 kilograms, largely because more water is retained within muscle tissue.
This intracellular water retention is part of the normal response to creatine supplementation. When combined with resistance training, creatine may also support increases in lean body mass over time.
Can You Mix Creatine With Protein Powder?
Yes. Creatine monohydrate can be mixed into a protein shake, smoothie, water or another beverage.
A post workout shake containing protein, carbohydrates and creatine is a convenient option, but the shake is not required for creatine to work.
Creatine should be mixed thoroughly and consumed reasonably soon after preparation rather than being left dissolved in liquid for an extended period.
Is Creatine Safe to Take Every Day?
Creatine monohydrate has been extensively studied and is generally considered safe for healthy individuals when taken at appropriate doses. Research has evaluated both short term and long term use across a range of populations.
People who are pregnant, breastfeeding, under 18, living with kidney disease or taking medications that may affect kidney function should speak with a qualified healthcare professional before using creatine.
Creatine can raise blood creatinine levels because creatinine is a breakdown product of creatine. This laboratory change does not automatically indicate kidney damage, but supplementation should be disclosed to the healthcare professional interpreting the results.
Frequently Asked Questions
What happens if I miss one day?
Missing a single day is unlikely to meaningfully reduce your muscle creatine stores. Resume your regular dose the following day. There is generally no reason to double the dose.
Do I need to cycle creatine?
There is no established requirement to cycle creatine on and off. It can generally be taken continuously by healthy adults at an appropriate maintenance dose.
Should I take creatine only on workout days?
Daily supplementation is more reliable for maintaining elevated muscle creatine stores. Taking it only on training days may still provide some benefit, but it is less consistent than daily use.
Does creatine need to be taken immediately after exercise?
No. There is no clearly established post workout window for creatine. Taking it after training is convenient, but taking it later with a meal is also reasonable.
Can women take creatine?
Yes. Creatine has been studied in women and may support strength, exercise performance, muscle health and healthy aging. Research is also exploring possible cognitive and neurological applications, although these benefits may vary by population and require further study.
The Bottom Line
The best time to take creatine is the time that helps you take it consistently.
Current evidence does not clearly show that taking creatine immediately before or after a workout produces meaningfully different results. Post workout supplementation may fit conveniently with a meal or protein shake, but pre workout, morning and evening use can all be effective.
For most healthy adults, taking 3 to 5 grams of creatine monohydrate every day, including rest days, is a simple and evidence based approach.
Always speak with a healthcare professional before starting a new supplement if you have a medical condition, take prescription medication, are pregnant or are breastfeeding.
References
- Antonio J, Ciccone V. The effects of pre versus post workout supplementation of creatine monohydrate on body composition and strength. Journal of the International Society of Sports Nutrition. 2013;10:36.
- Ribeiro F, Longobardi I, Perim P, et al. Timing of creatine supplementation around exercise: A real concern? Nutrients. 2021;13(8):2844.
- Forbes SC, Krentz JR, Candow DG. Timing of creatine supplementation does not influence gains in unilateral muscle hypertrophy or strength from resistance training in young adults. Journal of Exercise and Nutrition. 2021.
- Dinan NE, et al. Effects of creatine monohydrate timing on resistance training adaptations and body composition. 2022.
- Kreider RB, Kalman DS, Antonio J, et al. International Society of Sports Nutrition position stand: Safety and efficacy of creatine supplementation in exercise, sport and medicine. Journal of the International Society of Sports Nutrition. 2017;14:18.
- Antonio J, Candow DG, Forbes SC, et al. Common questions and misconceptions about creatine supplementation: What does the scientific evidence really show? Journal of the International Society of Sports Nutrition. 2021;18:13.
- Steenge GR, Simpson EJ, Greenhaff PL. Protein and carbohydrate induced augmentation of whole body creatine retention in humans. Journal of Applied Physiology. 2000;89(3):1165–1171.
- Green AL, Hultman E, Macdonald IA, Sewell DA, Greenhaff PL. Carbohydrate ingestion augments skeletal muscle creatine accumulation during creatine supplementation in humans. American Journal of Physiology. 1996;271:E821–E826.
- Branch JD. Effect of creatine supplementation on body composition and performance: A meta analysis. International Journal of Sport Nutrition and Exercise Metabolism. 2003. Discussed within the broader evidence reviewed by Kreider and colleagues.
- Chilibeck PD, Kaviani M, Candow DG, Zello GA. Effect of creatine supplementation during resistance training on lean tissue mass and muscular strength in older adults: A meta analysis. Open Access Journal of Sports Medicine. 2017. Supporting evidence is reviewed in current creatine literature.