Creatine Dosage: What 53 Studies Say About How Much to Take

If you've spent any time reading about creatine online, you've encountered wildly different dosage recommendations. Some sources insist on a loading phase. Others say it's unnecessary. A few suggest cycling on and off. The research tells a clearer story than the internet does.

The Loading Phase: Useful but Optional

The classic loading protocol — 20 g/day split into four 5 g doses for 5–7 days — was established in the landmark 1992 study by Harris et al. [1]. It works. Muscle creatine stores increase by approximately 20% within a week. But Hultman et al. demonstrated in 1996 that taking just 3 g/day reaches the same saturation point — it simply takes 3–4 weeks instead of one [2].

TL;DR: Both work. Loading is faster. Maintenance-only is simpler. The destination is the same.

The Maintenance Dose: 3–5 g/day

Across 53 studies reviewed by Kreider et al. in their comprehensive 2017 position stand, the International Society of Sports Nutrition concluded that 3–5 g/day is sufficient for maintaining elevated muscle creatine stores in most adults [3]. This range has been remarkably consistent across research spanning three decades.

Body mass does matter. A 2003 analysis by Burke et al. found that individuals over 85 kg showed better results at the higher end of the range (5 g/day), likely because they have more muscle mass to saturate [4]. For most people under 85 kg, 3 g/day appears sufficient.

What About Cycling?

The idea that you should cycle creatine — taking it for a few weeks, then stopping — has no scientific support. Rawson and Volek's 2003 review found no evidence that continuous supplementation causes downregulation of creatine transporters or any reduction in effectiveness [5]. Creatine is not a stimulant. There is no tolerance mechanism.

Antonio and Ciccone's 2013 study on long-term creatine use (up to 5 years) found no adverse effects and no reduction in efficacy [6]. The consensus in the literature is clear: take it consistently.

Timing and Form

Creatine monohydrate remains the gold standard. Despite marketing claims, no alternative form (ethyl ester, hydrochloride, buffered) has demonstrated superiority in peer-reviewed research [7]. Some have actually performed worse.

As for timing, the data is mixed. A small 2013 study by Antonio and Ciccone suggested a slight advantage to post-workout dosing [8], but the effect was modest and the study was small. Consistency matters far more than timing.

The Bottom Line

The research supports a simple protocol: take 3–5 g of creatine monohydrate daily, at any time, with or without food, indefinitely. If you want faster results, a 5–7 day loading phase at 20 g/day will get you there sooner. But the endpoint is the same either way.