The best time to take creatine is whenever you will take it consistently, every day. Creatine works by gradually filling your muscles' creatine stores, so a daily dose matters far more than the exact minute you take it. Taking it close to a workout, especially right after, may offer a small edge, but the studies comparing before and after training mostly find similar results.
Key takeaways
- Consistency beats timing. Creatine's effects depend on keeping muscle stores topped up, which takes daily intake over weeks, not a perfectly timed scoop.
- Before vs. after a workout is close to a tie. A few small studies hint that post-workout may be slightly better, but reviews of the research say the evidence is not strong enough to call a winner.
- Take it on rest days too. Rest days are part of keeping stores saturated.
- Loading is optional. About 0.3 g/kg/day for 5–7 days fills stores fastest, while 3–5 g/day gets you to a similar place in roughly four weeks.
- Splitting larger doses may help your stomach. One study found more diarrhea with a single 10 g dose than with two 5 g doses.
Why saturation matters more than timing
Creatine is not like caffeine, where you feel it within the hour. Its benefits come from raising the creatine and phosphocreatine stored in your muscles, which helps regenerate energy during short, hard efforts. According to the International Society of Sports Nutrition (ISSN) position stand, muscle creatine stores in most people sit somewhere around 60–80% full, and supplementation can raise them by roughly 20–40% [1].
Once your stores are full, the job is simply to keep them there. The ISSN notes that 3–5 g per day generally maintains saturation, though some larger athletes may need 5–10 g per day [1]. It also notes that after you stop taking creatine, elevated stores generally take about 4–6 weeks to drift back to baseline [1]. That slow rise and slow fall is why the daily habit matters more than the clock.
For background on forms of creatine, see micronized vs. regular creatine monohydrate. Here we focus on the when and how.
The research below concerns creatine as an ingredient, not any finished MAXIS product.
Creatine before or after a workout: what the studies show
The theory behind timing is reasonable: exercise increases blood flow to working muscles and may boost creatine transport into muscle cells. But a 2025 expert review notes that a 5 g dose can take up to about two hours to peak in the blood, so taking it just before vs. just after a typical 40–90 minute session likely makes little difference [3]. The head-to-head studies:
- Antonio and Ciccone (2013): 19 recreational male bodybuilders took 5 g immediately before or after training for four weeks. Group differences were not statistically significant, though a looser analysis (magnitude-based inference) suggested post-workout was "possibly" better for fat-free mass and bench press strength [4].
- Candow et al. (2014): In 22 healthy older adults training three days a week for 12 weeks, creatine (0.1 g/kg) before or after training produced similar gains in lean tissue, muscle thickness, and strength [5].
- Candow et al. (2015): In adults aged 50–71 training for 32 weeks, both creatine groups gained more strength than placebo, but only the post-workout group gained significantly more lean tissue than placebo (about 3.0 kg vs. 0.5 kg) [6]. It is the only study here with a placebo group.
- Forbes et al. (2021): Ten young adults trained one side of the body with creatine before and the other with creatine after, for eight weeks. Gains were similar on both sides [7].
Reviews are cautious. Ribeiro et al. (2021) found emerging evidence favoring post-exercise intake but said study limitations prevent firm conclusions [9]. Candow et al. (2022) concluded pre- and post-exercise creatine appear to produce similar benefits, noting most studies were small and lacked placebo groups [8]. We found no meta-analysis comparing pre- vs. post-workout timing directly. A 2026 meta-analysis of 63 trials confirmed that creatine plus resistance training improved strength and lean mass more than training alone, with protocol details such as daily dose and loading not significantly changing results [13].
Bottom line: If it is easy to take creatine right after training, that is a reasonable default. If not, any time of day is fine.
Should I take creatine on rest days?
Yes. The goal is keeping muscle stores saturated, and that does not pause on days off. Participants in the Antonio and Ciccone study also took creatine on non-training days [4], and the standard 3–5 g maintenance dose is a daily figure [1]. No study has yet directly compared training-day-only use with daily use [8], so daily intake is the approach the research supports best. On rest days, take it whenever is convenient.
Should you take creatine with food?
You do not have to, but it may help uptake a little. In a classic 1996 study, men who took 5 g of creatine followed by about 93 g of simple carbohydrate, four times daily for five days, increased muscle total creatine about 60% more than men taking creatine alone [11]. Carbohydrate plus protein appears to have a similar effect [8].
The catch: bigger short-term uptake has not clearly meant bigger gains. The ISSN notes performance effects may not exceed creatine alone [1], and the 2025 review found limited evidence of greater strength or body composition changes [3]. Taking creatine with a meal or your post-workout protein is simply an easy way to build the habit.
Creatine loading phase: do you need it?
Loading is about speed, not the final result.
- Loading: The ISSN describes about 0.3 g/kg of body weight per day (roughly 20 g/day for many adults, split into about four 5 g doses) for 5–7 days, then 3–5 g/day to maintain [1].
- No loading: In a well-known comparison, Hultman et al. (1996) found that 20 g/day for six days raised muscle total creatine by about 20%, and that 3 g/day reached a similar 20% increase over 28 days [10].
A 2021 expert review concluded loading is not required; 3–5 g/day for at least about four weeks reaches similar saturation [2]. Loading makes sense if you want results within a few weeks. Skipping it suits you if you are in no hurry or want to avoid the 1–3 kg of early weight gain, mostly water, that can come with loading [2].
| Timing strategy | What research shows | Practical note |
|---|---|---|
| Immediately before training | Similar strength and muscle gains to post-workout in most small studies [4][5][7] | Fine if this is when you remember |
| Immediately after training | Some signals of a small advantage, including more lean tissue vs. placebo in one 32-week study of adults 50–71 [4][6]; reviews call the evidence inconclusive [8][9] | A reasonable default; pairs easily with a post-workout meal or shake |
| Daily, including rest days | 3–5 g/day maintains saturated stores; stores take about 4–6 weeks to return to baseline after stopping [1] | Take it at a convenient time on days off |
| With carbohydrate or carbohydrate plus protein | Can increase short-term muscle uptake [11]; little evidence of extra strength or body composition gains [1][3] | Taking it with a meal works; no special formula needed |
| Loading (about 0.3 g/kg/day for 5–7 days) | Fastest way to saturate stores [1][10] | Split into smaller doses; may cause early water weight gain [2] |
| No loading (3–5 g/day) | Reaches similar saturation in about 28 days [10][2] | Simplest approach for long-term use |
Can you mix creatine with coffee or hot drinks?
Creatine powder is very stable, but dissolved creatine slowly converts to creatinine, a byproduct your body cannot use as creatine, and this happens faster at higher temperatures and lower pH [2]. The ISSN gives an example: after three days at 25 °C, degradation ranged from about 4% at pH 5.5 to 21% at pH 3.5 [1]. Early creatine studies actually dissolved it in hot tea, since warmth helps it dissolve, and solubility does not affect uptake [2]. So stirring creatine into a warm drink and finishing it soon is reasonable; leaving a mixed batch sitting for days is not.
Caffeine is a separate question. Some studies suggest caffeine during loading may blunt some benefits, others found no interference, and the 2025 review calls the evidence limited [3]. If you are concerned, Candow et al. (2022) suggest a simple workaround: caffeine before training, creatine after [8].
Splitting doses to reduce stomach upset
Large single doses can be hard on the stomach. In a 28-day study of 59 male soccer players, diarrhea was reported by about 56% of those taking one 10 g dose, compared with about 29% of those taking two 5 g doses, a rate not significantly different from placebo [12]. If you take 10 g a day or are loading, split it into 5 g servings. A 2021 review recommends keeping servings at or below 10 g during loading [2].
Safety: who should check with a doctor first
Creatine monohydrate is among the most studied supplements. The ISSN finds no compelling evidence that it harms kidney function, while noting some experts suggest people with pre-existing kidney disease consult a physician first [1]. Talk with your doctor before starting creatine if you:
- Have kidney disease or reduced kidney function
- Are pregnant or breastfeeding (research in this area is still largely preclinical [3])
- Are under 18
- Take prescription medications or manage a chronic health condition
Also note that creatine can modestly raise serum creatinine, a lab marker used to estimate kidney function; a 2025 meta-analysis found this rise without significant changes in filtration rate [14]. Tell your doctor you take creatine before routine bloodwork.
Where MAXIS Creatine fits
MAXIS Micronized Creatine Monohydrate is one ingredient: 5 g of creatine monohydrate per scoop, unflavored, with no other ingredients. Each 500 g tub provides 100 servings. Take one scoop in 8 oz of water, one or two times daily. Creatine monohydrate supports increases in strength and lean body mass when combined with resistance training.†
Because it is unflavored, it fits whatever routine you will stick to. Creatine is also included in the Performance Stack and the Strength Stack.
FAQ
Is it better to take creatine in the morning or at night?
Neither has been shown to be better. What matters is taking it daily, so pick the time you are least likely to forget.
How long does it take for creatine to work?
With a loading phase, muscle stores can rise substantially within about 5–7 days [1]. Without loading, 3 g/day reached a similar level of saturation in about 28 days in a classic study [10].
What happens if I miss a day of creatine?
Very little. Muscle stores decline slowly, taking about 4–6 weeks to return to baseline after stopping entirely [1]. Just resume your normal dose the next day.
References
- Kreider RB, Kalman DS, Antonio J, et al. (2017). 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. PubMed 28615996
- Antonio J, Candow DG, Forbes SC, et al. (2021). Common questions and misconceptions about creatine supplementation: what does the scientific evidence really show? Journal of the International Society of Sports Nutrition. PubMed 33557850
- Antonio J, Brown AF, Candow DG, et al. (2025). Part II. Common questions and misconceptions about creatine supplementation: what does the scientific evidence really show? Journal of the International Society of Sports Nutrition. PubMed 39720835
- Antonio J, Ciccone V. (2013). The effects of pre versus post workout supplementation of creatine monohydrate on body composition and strength. Journal of the International Society of Sports Nutrition. PubMed 23919405
- Candow DG, Zello GA, Ling B, et al. (2014). Comparison of creatine supplementation before versus after supervised resistance training in healthy older adults. Research in Sports Medicine. PubMed 24392772
- Candow DG, Vogt E, Johannsmeyer S, Forbes SC, Farthing JP. (2015). Strategic creatine supplementation and resistance training in healthy older adults. Applied Physiology, Nutrition, and Metabolism. PubMed 25993883
- Forbes SC, Krentz JR, Candow DG. (2021). Timing of creatine supplementation does not influence gains in unilateral muscle hypertrophy or strength from resistance training in young adults: a within-subject design. Journal of Sports Medicine and Physical Fitness. PubMed 34610729
- Candow DG, Forbes SC, Roberts MD, et al. (2022). Creatine O'Clock: does timing of ingestion really influence muscle mass and performance? Frontiers in Sports and Active Living. PubMed 35669557
- Ribeiro F, Longobardi I, Perim P, et al. (2021). Timing of creatine supplementation around exercise: a real concern? Nutrients. PubMed 34445003
- Hultman E, Söderlund K, Timmons JA, Cederblad G, Greenhaff PL. (1996). Muscle creatine loading in men. Journal of Applied Physiology. PubMed 8828669
- Green AL, Hultman E, Macdonald IA, Sewell DA, Greenhaff PL. (1996). Carbohydrate ingestion augments skeletal muscle creatine accumulation during creatine supplementation in humans. American Journal of Physiology. PubMed 8944667
- Ostojic SM, Ahmetovic Z. (2008). Gastrointestinal distress after creatine supplementation in athletes: are side effects dose dependent? Research in Sports Medicine. PubMed 18373286
- Wang H, Wang H, Xin X, Yi Z. (2026). Resistance training combined with creatine supplementation: a three-level meta-analysis of multidimensional outcomes from strength enhancement to body composition remodeling. Journal of the International Society of Sports Nutrition. PubMed 42765482
- Naeini EK, Eskandari M, Mortazavi M, Gholaminejad A, Karevan N. (2025). Effect of creatine supplementation on kidney function: a systematic review and meta-analysis. BMC Nephrology. PubMed 41199218
†These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
