Creatine: Effects, Dosage, and Proper Use

Creatine monohydrate is the most thoroughly researched and one of the few proven-effective dietary supplements in strength training: The standard dose of 3–5 g daily increases your muscle creatine stores and improves performance during short, intense exertions, such as the final repetitions in a set. According to the position paper by the International Society of Sports Nutrition (Kreider et al., 2017), there is no scientific evidence that creatine monohydrate is harmful to healthy individuals when taken at the recommended dose.

In this guide, you'll learn how creatine works, what dosage really makes sense, whether you need a loading phase, when it's best to take it, and which form is worth the money—without any marketing myths.

How does creatine work?

Your muscles use an energy store called phosphocreatine for very short, explosive bursts of activity. It provides the energy for the first few seconds of maximum effort—the heavy set, the sprint, the jump. When you take creatine, these stores are replenished more fully. The result: You can perform slightly better during intense workouts—for example, one or two more repetitions in the heavy range. Over weeks and months, these small gains add up to a noticeably greater training stimulus and, consequently, to increased strength and muscle mass.

A common misconception: Creatine doesn't directly build muscle. It improves your workout performance, and it's the improved workout that builds muscle. In addition, creatine binds water within muscle cells—part of the rapid weight gain in the first few weeks is water, not fat. This is normal and desirable, because better cellular hydration is also associated with adaptation.

Creatine dosage: 3–5 g per day

The standard recommendation is simple: 3–5 g of creatine monohydrate per day, every day. This amount keeps your muscle stores consistently full. It takes about three to four weeks to reach full saturation. After that, it’s just a matter of maintaining that level—which is why consistency in daily intake is more important than any fine-tuning.

Do you need some time to recharge?

A loading phase involves consuming about 20 g per day (divided into four servings of ~5 g each) for the first 5–7 days and then reducing the amount to 3–5 g. The only benefit: Your glycogen stores fill up faster—after about a week instead of three to four. According to the ISSN position paper, both methods achieve the same saturation level (about 160 mmol/kg of lean muscle mass). So unless you’re training for a competition in two weeks, you can skip the loading phase and start directly with 3–5 g. The downside of the loading phase: It can trigger gastrointestinal discomfort in sensitive individuals.

A Comparison of Creatine Forms

Form	Rating	Conclusion
Creatine Monohydrate	Most thoroughly researched, affordable, effective	The Gold Standard
Creatine HCl	More soluble, more expensive	No documented added value
Kre-Alkalyn (buffered)	Marketing Around pH	Not superior
Ethyl esters, citrates, etc.	More expensive, sometimes worse	No reason to switch

The message is clear: creatine monohydrate is the most thoroughly researched supplement and offers the best value for the money. Make sure to choose a pure product, ideally one with a quality seal such as Creapure. Expensive “special forms” offer no proven additional benefits.

When and how should you take creatine?

The timing of intake is greatly overrated. Because creatine works by replenishing stores rather than providing an immediate boost like a stimulant, it hardly matters whether you take it in the morning, before, or after your workout. The key is to take it every day—even on non-workout days—because your stores need to stay consistently full. Mix 3–5 g into water, juice, or your shake. Some people have a harder time tolerating it on an empty stomach; in that case, take it with a meal. Combining it with carbohydrates or protein can slightly enhance absorption, but it’s not a must.

And here's the good news for anyone who forgets: Missing a day isn't a problem. Because the effect is based on cumulative storage, a single missed day makes no difference—just continue taking your normal dose the next day.

Buying Guide: What to Look For

A good creatine supplement is simple: pure creatine monohydrate, preferably with a purity seal, and free of unnecessary additives. You don’t need flashy blends with dozens of ingredients—those often just use marketing hype to hide a small amount of creatine. Creatine is a supplement to your workout, not a replacement: without a progressive training stimulus and proper equipment, you won’t see any results. You’ll find the essentials for this—dumbbells, barbells, racks, and machines—in our strength training section, especially among the dumbbells. When you shop with us, you get 0% Klarna financing and a 30-day return policy, so you can test your equipment at your own pace.

Common Mistakes

• Take creatine only on workout days: Your stores need to be constantly replenished—take it every day, even on rest days.
• Buying expensive specialty forms: Monohydrate is the most thoroughly researched and least expensive supplement with no proven drawbacks.
• Weight loss due to water retention: The initial weight gain is water retained in the muscle cells, not fat—and that's a good thing.
• Not drinking enough: Creatine binds water in the muscles; make sure to stay well-hydrated.
• Viewing creatine as a miracle cure for muscle building: Even the best supplement is useless without progressive training.

Frequently Asked Questions

Do I have to take creatine indefinitely?

You can take creatine long-term—the ISSN sees no evidence of harmful effects in healthy people at the recommended dose. If you stop taking it, your creatine stores will return to their baseline levels over the course of a few weeks, and the performance benefit will disappear.

Does creatine cause weight gain?

On the scale, yes, but mainly due to water retained in the muscle cells—not fat. Gaining one to two kilograms in the first few weeks is normal and a sign that your body’s stores are filling up.

Is a charging phase necessary?

No. It fills up the stores faster (about a week instead of three to four), but the final level is the same. If you're not working toward an upcoming event, you can start right away with 3–5 g.

When is the best time to take creatine?

The timing isn't that important because creatine works by building up reserves. What matters is taking it consistently every day. Take it whenever it's most convenient for you—preferably with a meal.

Which form of creatine is best?

Creatine monohydrate. It is the most extensively studied supplement and offers the best value for the money. More expensive forms, such as HCl or buffered creatine, offer no proven benefits.

Conclusion

Creatine is as close to a “must-have” as any supplement in strength training can be—but only because it’s unspectacular and straightforward: 3–5 g of monohydrate daily, consistently, mixed into any liquid, without expensive specialty forms or timing gimmicks. The effects are real, well-documented, and affordable. But the actual muscle-building still happens during your workouts—creatine just makes a good workout a little better.

Want to build a solid foundation for your workout? Get in touch with us —we'll help you choose equipment that fits your goals.

For further reading: ISSN position paper on creatine (Kreider et al., 2017) and the German Nutrition Society.