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The loading debate is one of the most asked questions in supplementation, and the answer is simpler than most people expect. Loading works. Not loading also works. They produce the same result. The difference is how long it takes to get there.
What loading actually does
Your muscle creatine stores have an upper limit, typically around 160 mmol/kg dry weight for most men, compared to a baseline without supplementation of roughly 120 to 140 mmol/kg. The goal of any creatine protocol is to get to that upper limit and stay there.
Loading saturates your stores rapidly. Taking 20g per day (split as 4 x 5g doses) for 5 to 7 days forces maximum uptake, reaching full saturation by the end of that week.
Maintenance dose (3 to 5g per day) achieves the same saturation, it just takes 3 to 4 weeks rather than 7 days.
Loading with 20g per day for 6 days increased muscle total creatine by 20% and was maintained with 2g per day thereafter. The alternative slow-loading approach (3g per day for 28 days) achieved equivalent muscle creatine levels, with no difference in performance outcomes between the two protocols.
The weight gain during loading
During a loading phase, you will typically gain 1 to 2kg in the first week. This is water, creatine draws water into muscle cells (osmotic effect). It is not fat, it is not bloat from food, and it reverses within 1 to 2 weeks of stopping.
For men who are cutting or weight class athletes who weigh in, this transient water weight is a reason to skip the loading phase and go straight to maintenance, you still reach saturation, just without the temporary scale increase.
I have done loading phases twice. Both times the water retention was noticeable, about 1.5kg in the first week, which then stabilised. By week four, training performance had improved noticeably compared to my pre-creatine baseline. Whether those extra three weeks of waiting without loading would have cost me anything meaningful in a 12-week training block, the honest answer is probably not. I load when I have a specific block with a clear start date. Otherwise I just go straight to 5g daily.
Managing loading phase side effects
The main downside of loading is GI discomfort, bloating, stomach cramping, loose stools, in some men. This is dose-dependent and is almost entirely avoidable with correct approach:
Split the doses. Five separate 4g doses throughout the day is tolerable for most people. Twenty grams in a single dose is not.
Take with food. A carbohydrate-containing meal improves creatine uptake and significantly reduces GI discomfort.
Use pharmaceutical-grade creatine. Creapure-certified creatine (manufactured by AlzChem in Germany) has essentially zero contaminants or breakdown products. Cheap unverified sources contain higher creatinine and other impurities that cause GI issues even at normal doses.
Why maintenance works fine without loading
The case against loading is simple: if you are not in a hurry, there is no compelling reason to do it. Three to five grams daily reaches full saturation in 3 to 4 weeks. Once saturated, there is no functional difference between someone who loaded and someone who did not, the muscle phosphocreatine stores are at the same ceiling.
For men who plan to take creatine indefinitely (which is the sensible approach, there is no benefit to cycling off), loading is essentially irrelevant. You will be at full saturation within a month either way, and you will maintain it with 3 to 5g per day thereafter.
Does cycling off make sense?
The common advice to "cycle" creatine (8 weeks on, 4 weeks off) has no evidence base. The original idea was that cycling prevents downregulation of creatine transporters, but this has not been demonstrated clinically at normal doses.
There is no good reason to cycle off. Stopping supplementation reduces muscle creatine stores back to baseline within 4 to 6 weeks. There is no benefit to this unless cost is a significant concern.
Load if you have a specific training block or event starting soon and want to feel the effects within a week. Skip loading if you are starting creatine for general long-term use, you will be fully saturated within a month at 3 to 5g daily and save yourself the water weight and potential GI discomfort.
The bottom line
3 to 5g of creatine monohydrate daily, every day including rest days, indefinitely. Timing does not matter. Loading is optional. Consistency is not optional.
For which product to buy and why Creapure-certified matters, the full best creatine supplements UK 2026 guide covers the ranked list.
For how creatine works at the biochemical level, the phosphocreatine mechanism article covers the full science.
Further reading
- Best creatine supplements UK 2026, ranked list
- How creatine actually works, the phosphocreatine mechanism
- Creatine for men over 40, muscle, bone and brain benefits
- Best protein powder for men over 40 UK
Affiliate disclosure: This article contains an affiliate link to MyProtein via Awin. If you purchase through this link, Male Optimal earns a small commission at no extra cost to you. This does not affect recommendations.
