How much creatine per day

Muscle stores creatine like a tank. Once the tank is full, anything extra you add simply overflows.

The maintenance dose typically used in research is 3 to 5 grams daily. This amount keeps muscle stores full and is the dose used in most studies of older adults. ^[1]

The time of day doesn’t matter because your stores fill up over weeks, not hours. What matters is taking it regularly.

With 3 to 5 grams a day, the tank is full after about three to four weeks. So if you don’t notice anything in the first month, it doesn’t mean you have the wrong product, but that your tank is still filling up.

Loading phase or maintenance dose from the start

The loading phase is like filling the tank, while the maintenance dose is like topping it up daily. To fill the tank, take 0.3 grams per kilogram of body weight for five to seven days. At 70 kilograms, that’s about 20 grams a day, divided into four servings.

After that, 3 to 5 grams is enough to keep the tank full.

In 2021, a meta-analysis examined whether starting with or without a loading phase makes a difference. In both cases, creatine improved muscle mass and strength compared with a placebo. ^[2]

Taking creatine only on training days also measurably increased muscle mass and strength. ^[2] So even those who find daily creatine intake a hurdle can benefit. However, the studies don’t make it clear whether the effects are just as strong as with daily intake.

Is 5 grams enough for every goal?

For muscle, 5 grams is generally enough. However, a higher dose could have additional effects.

A 2026 study of 64 people aged 45 to 65 used 10 grams daily and found greater lean mass, muscle strength, and muscular endurance over twelve weeks, including in the group that did not exercise. ^[3]

For the brain, 5 grams probably isn’t enough because it takes up creatine less effectively than muscle does. Studies on mental performance therefore used 14 to 20 grams.

Which form and when

Creatine monohydrate is the form covered by practically all of the research. ^[4] More expensive options like creatine HCl, buffered creatine, or creatine malate have no proven advantage in absorption or effects.

The powder’s texture also says nothing about its quality. Whether it’s fine and dense or loose and fluffy depends on how finely it’s ground, not on its purity.

In a glass, creatine behaves like sugar in cold tea: some of it settles at the bottom. This residue is normal and should be consumed too.

Creatine dissolves much better in warm drinks. Coffee, for example, works well.

Tolerance and safety

Creatine monohydrate is one of the best-studied dietary supplements. A review of clinical studies showed in 2025 that side effects were no more common with creatine than with placebo. There is no evidence of harm to healthy kidneys. ^[5]

At the usual amount of 3 to 5 grams, tolerance isn’t an issue, but larger single doses can be. At high concentrations, creatine binds water in the intestine, which can temporarily cause fullness, bloating, and, less often, loose stools.

If you start with a loading phase or take more than 5 grams, it’s better to split the amount into two servings throughout the day and take them with a meal. This strategy reliably prevents side effects.

Creatine is broken down into creatinine in the body. Doctors routinely use this blood value to assess kidney function. When taking creatine, it rises slightly, even though the kidneys are not actually working less well.

It’s like more water flowing into a drain: the level rises slightly, even though the drain is working just as well.

Even so, the higher value on a lab report can look like the start of kidney impairment. That’s why you should mention creatine use before every blood test.

In the first few weeks of taking it, many people gain half a kilogram to two kilograms. This is due to water being taken up by muscle cells, not fat. The increase shows that the tank is filling up.

Does creatine cause hair loss?

The concern stems from a single study from 2009. DHT, a hormone associated with hereditary hair loss, increased during a loading phase in young rugby players, but their hair itself was not examined. ^[7]

The results have not been replicated in any study. In 2025, a randomized study with 38 young men directly measured hormones and hair for the first time and found no difference from placebo in DHT, hair density, or hair thickness after twelve weeks of 5 grams daily. ^[6]

The study lasted twelve weeks and included only young men. So there is no evidence that creatine causes hair loss.

What does this mean in practice?

The simplest approach is to take 3 to 5 grams of creatine monohydrate daily at any time of day. After three to four weeks, your tank will be full. If you want to get there faster, take around 20 grams a day in four servings for one week, then go back to 3 to 5 grams.

Larger individual amounts are split into two servings. It’s worth buying creatine monohydrate for its lab-tested purity and clearly stated dosage.

The most important ingredient, however, isn’t in the container: creatine has the greatest effect when combined with strength training.