The question that divides gyms, group chats and family dinners — answered with what European safety assessments and scientific research actually say.
Creatine is one of the most studied ingredients in sports nutrition, with more than 500 scientific publications.[2] And when it comes to taking it every day, the answer is simple: European safety assessments concluded that 3 g a day is unlikely to cause adverse effects in adults — and daily intake is exactly what counts.[1,3]
1. The short answer
- Is it bad to take it every day?For healthy adults, 3 g a day was assessed as unlikely to cause adverse effects.[3]
- Is it good to take it every day?Creatine increases physical performance in successive bursts of short-term, high intensity exercise — with a daily intake of 3 g.[1]
- Does it really have to be every day?Yes. The recognised effect is tied to daily intake, not just training days.[1]
- Do I need a “loading phase”?No, it’s optional. Lower daily doses fill your stores too, just more slowly.[2]
2. So what is creatine, exactly?
Creatine isn’t foreign to your body. Your body makes about 1 g a day and you get roughly the same from food, mainly meat and fish.[3] Most of it is stored in your muscles, where it’s used for short, intense efforts: a sprint, a heavy set, a run uphill.
That’s why the claim recognised in the European Union talks about successive bursts of short-term, high intensity exercise — and only applies to a daily intake of 3 g.[1]
3. Why every day — even on rest days
This is the part that confuses people most. The logic is simple: what you use in training is what’s already stored in your muscles, not what you ate that day. Taking creatine only on training days is like filling up the car only once the fuel light is on.
Creatine builds up in the muscle until it reaches a maximum, and that takes time: with low daily doses, it takes a few weeks.[2] Skipping days slows it down. So the most useful rule isn’t the exact dose or the time of day — it’s consistency.
4. Myths that keep going around
| Myth | What the evidence says |
|---|---|
| “Creatine wrecks your kidneys” | Not in healthy people, at recommended doses. Creatine raises creatinine in your blood, the value used in blood tests to check your kidneys — which can skew the reading without meaning any damage. If you get blood work done, tell your doctor you take creatine.[2] |
| “It makes your hair fall out” | There’s no evidence. The fear comes from a single small study that was never replicated and never measured hair loss.[2] |
| “It dehydrates you and causes cramps” | That’s not what studies show.[2] Drink water as you normally would. |
| “It’s a steroid” | No. It has no chemical or functional link to anabolic steroids.[2] |
| “It makes you retain water” | It can happen, at first. Some weight gain in the first few days is the most commonly reported effect, especially with loading phases.[2] |
5. When to be careful
Transparency is part of how we work. European safety assessments refer to healthy adults and 3 g a day. Above that, the data for the general population is more limited.[3]
- You have kidney disease or your kidney function is being monitored.
- You’re pregnant or breastfeeding — these groups were not included in the safety assessments.
- You’re under 18 — the assessments refer to adults.
In short: 3 g of creatine a day, every day, is the dose the European Union recognises and the one the safety assessments refer to. The hard part isn’t the science — it’s remembering every day.
6. CORIAL Creatine Bars
Creatine powder means measuring, mixing and washing the shaker. We made the bars to take that step out of the way: 3 g of creatine monohydrate in a 50 g bar, with 8 g of protein and 5 g of fibre. Eat it like any other snack — at work, in your bag, after training or on a rest day — and your daily dose is done.
Creatine increases physical performance in successive bursts of short-term, high intensity exercise. The beneficial effect is obtained with a daily intake of 3 g of creatine — one bar. (Regulation (EU) No 432/2012)
3 g of creatine. One bar a day.
Pick your flavour and stop thinking about the dose.
See the Creatine Bars →References
- Commission Regulation (EU) No 432/2012 establishing a list of permitted health claims made on foods — “Creatine” entry. eur-lex.europa.eu
- 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. doi:10.1186/s12970-021-00412-w
- VKM — Norwegian Scientific Committee for Food and Environment. Risk assessment of "other substances" – Creatine, summarising earlier assessments by EFSA (2004), the SCF (2000) and AESAN (2012). imsear.searo.who.int