Creatine Monohydrate vs Other Types of Creatine: Which Should You Choose?

Walk into any supplement store in Australia and you will find creatine monohydrate sitting next to creatine HCL, buffered creatine, creatine ethyl ester and a range of blends, many with bigger price tags and bolder claims. It is easy to assume the newer, more expensive options must be better. When you are choosing Supplements to support your training, though, the evidence points clearly in one direction.

Below, we break down the main types of creatine, compare creatine monohydrate vs HCL, and explain how to pick the best type of creatine for your goals and budget.

Which Type of Creatine Is Best?

Creatine monohydrate is the best type of creatine for almost everyone.

It has the most research, proven results for strength and muscle, a strong safety record and the lowest cost per serve. The Australian Institute of Sport (AIS), which lists creatine monohydrate as a Group A performance supplement, states there is no scientific reason to take a creatine supplement other than creatine monohydrate.

Here is how the most common types of creatine compare:

What Is Creatine Monohydrate?

Creatine monohydrate is creatine bound to one molecule of water, and it is the form used in nearly all creatine research.

Creatine is a compound your body makes from amino acids and gets from foods like red meat and fish. It is stored in muscle as phosphocreatine, which helps regenerate ATP, the energy your muscles use during short, intense efforts like heavy sets and sprints.

Supplementing with creatine monohydrate raises muscle creatine stores, helping you:

• Complete more reps and lift heavier weights
• Recover faster between sets and sprints
• Build more lean muscle over time when combined with resistance training

The AIS recommends 3 to 5 g a day, which saturates muscle stores in about 4 weeks. A loading phase of about 20 g a day in four doses for 5 days gets you there faster.

What Is Creatine HCL?

Creatine HCL (creatine hydrochloride) is creatine bound to hydrochloric acid, which makes it much more soluble in water.

Laboratory work by Gufford and colleagues (2010) found creatine HCL was around 38 times more soluble in water than creatine monohydrate. This is the main selling point behind HCL products, which often claim:

• You can take a smaller dose
• It will not cause bloating
• It absorbs better

The problem is that better solubility in a glass of water does not mean more creatine ends up in your muscles. Most of these claims come from marketing rather than human research.

Creatine HCL vs Monohydrate: Does HCL Absorb Better?

There is no good evidence that creatine HCL absorbs better than monohydrate in a way that matters.

The AIS notes that creatine monohydrate is already absorbed at a rate of over 99 percent. There is simply very little room for any other form to improve on that.

When it comes to creatine HCL vs monohydrate in real training studies:

• Eghbali, Arazi and Suzuki (2024) compared both forms alongside resistance training and found no significant difference in strength, body composition or hormones. They concluded there was no evidence to support using creatine HCL instead of monohydrate, and that its higher price makes it uneconomical.
• Tayebi and Arazi found seven days of creatine HCL did not improve performance more than monohydrate.
• de França and colleagues (2015) found both forms improved strength over four weeks, with no statistically significant difference between them.

The "smaller dose" claim is also misleading. Creatine HCL is only about 78 percent creatine by weight, compared with about 88 percent for monohydrate. Taking 1 to 2 g of HCL means taking much less creatine than the 3 to 5 g used in research.

Is Micronised Creatine Better?

Micronised creatine works the same as regular creatine monohydrate, but it mixes more easily.

Micronised creatine is simply creatine monohydrate that has been milled into smaller particles. It is the same molecule, with the same research behind it. The benefits are practical:

• Dissolves faster in water, shakes or juice
• Less gritty texture and less powder left at the bottom of your glass
• May be gentler on the stomach for some people, as less undissolved powder reaches the gut

It does not build more muscle or strength than standard monohydrate, but if you find regular creatine hard to mix, micronised creatine is a worthwhile upgrade at little or no extra cost.

Our Pure Creatine by BSC is pure micronised creatine monohydrate, combining the most researched form with easy mixing.

Is Expensive Creatine Actually Better?

No. Expensive creatine is not better. In most cases, you are paying for marketing, not results.

Specialty forms like HCL, buffered creatine and creatine blends often cost two to four times more per serve than monohydrate. The research does not show any extra benefit:

• Buffered creatine (Kre-Alkalyn): A study by Jagim and colleagues (2012) found it did not increase muscle creatine or improve strength more than monohydrate.
• Creatine ethyl ester: A study by Spillane and colleagues (2009) found it was less effective than monohydrate at raising muscle creatine levels.
• Creatine blends: These often combine several forms in a proprietary blend, which can hide how much creatine you are actually getting.

When it comes to creatine, price is not a sign of quality. Look for pure creatine monohydrate with a clear dose and, ideally, third-party testing.

Which Form Has the Most Research?

Creatine monohydrate has by far the most research of any form.

According to the AIS, about 99 percent of the safety and efficacy data on creatine relates to creatine monohydrate powder. That includes hundreds of studies over more than 30 years, covering:

• Strength and power in the gym
• Repeated sprint performance in team sports
• Lean muscle gains with resistance training
• Long-term safety in healthy adults, with studies lasting up to five years according to the International Society of Sports Nutrition (ISSN) position stand by Kreider and colleagues (2017)

Every other form of creatine is compared against monohydrate, and so far none have outperformed it.

Does Creatine Monohydrate Cause More Bloating?

No. Creatine monohydrate does not cause more bloating than other forms when taken at the right dose.

The idea that monohydrate causes bloating, while HCL does not, is largely a marketing claim. What causes stomach discomfort is usually the dose, not the type of creatine.

• A study by Ostojic and Ahmetovic (2008) found a single 10 g dose caused more stomach upset than two 5 g doses, while a single 5 g dose caused no more issues than a placebo.
• The AIS describes stomach upset from creatine as mild and temporary, and suggests skipping the loading phase and taking creatine with meals to reduce it.

All forms of creatine increase water stored inside muscle cells. This is part of how creatine works, not a side effect of monohydrate specifically. If you want to minimise any bloating, take 3 to 5 g of micronised creatine monohydrate a day, mixed in plenty of water and taken with food.

How to Choose the Best Type of Creatine

When comparing creatine products, check the label for:

• Creatine monohydrate as the main or only ingredient
• Micronised powder, for easier mixing
• 3 to 5 g of creatine per serve, clearly listed
• No proprietary blends
• Batch or third-party testing, especially if you compete in drug-tested sport, as recommended by Sport Integrity Australia

Then take it every day and pair it with enough protein to support muscle growth. Our Muscle Meals, Muscle Gain range and Meal Plans make that easy.

Keep It Simple With Proven Creatine From Athletes Nutrition

When it comes to creatine, simple is best. Creatine monohydrate is the most researched, most proven and best value option available. Athletes Nutrition delivers chef-prepared, high-protein meals across NSW, VIC, QLD and the ACT, alongside proven supplements like micronised creatine monohydrate. Browse our Supplements today, or call our team on 02 9198 0966 for help choosing the right plan for your goals.

This article is general information only and is not medical advice. Speak with your GP or an Accredited Practising Dietitian before starting any supplement, particularly if you have a medical condition, take medication or compete in tested sport.