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Optimum Nutrition Muscle Building Creatine Monohydrate

Last updated: October 5, 2023


This micronized creatine monohydrate powder is a top choice because of its pure qualities. It is completely flavorless, so you can add it to almost any drink without changing the flavor. You also won’t find any fillers in this creatine, which makes it suitable for every dietary restriction.

Optimum Nutrition Muscle Building Creatine Monohydrate
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We looked at the top Creatine Powders and dug through the reviews from some of the most popular review sites. Through this analysis, we've determined the best Creatine Powder you should buy.

Optimum Nutrition Micronized Creatine Monohydrate Powder, Unflavored, Keto Friendly, 120 Servings (Packaging May Vary)

Optimum Nutrition Micronized Creatine Monohydrate Powder, Unflavored, Keto Friendly, 120 Servings (Packaging May Vary)
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$37.63

Product Details

Key Takeaway: You can add this micronized creatine monohydrate powder to any drink, since it's flavorless.

In our analysis of 48 expert reviews, the Optimum Nutrition Muscle Building Creatine Monohydrate placed 10th when we looked at the top 16 products in the category. For the full ranking, see below.

From The Manufacturer

One standard teaspoon provides a full 5-gram daily maintenance dose of Creapure Creatine Monohydrate. Optimum’s Micronized Creatine Monohydrate is available in sizes ranging from 150 to 2,000 Grams. There’s one to fit your needs and budget. With Post-Workout Shake.

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Our Expert Consultant

Dr. Niket Sonpal   
Gastroenterologist and adjunct assistant professor at Touro College of Osteopathic Medicine

Dr. Niket Sonpal is an adjunct assistant professor at Touro College of Osteopathic Medicine and clinical instructor at Kingsbrook Jewish Medical Center, Brooklyn, who specializes in gastroenterology.

He is a graduate of the Medical University of Silesia-Hope Medical Institute in Poland. After completing his residency in internal medicine at Lenox Hill Hospital, he was selected to be the 2013‐2014 Chief Resident at Lenox Hill Hospital–Northshore LIJ Health System. Dr. Sonpal completed his fellowship in gastroenterology and hepatology at Lenox Hill Hospital and continues his work in the field of medical-student and resident-test preparation. He now serves as the associate program director for the Internal Medicine Residency Program at Brookdale University medical center.

He is also the co‐author of several medical test prep books and serves as the chief operating officer for Medquest Test Prep and director of medical education for Picmonic Test Prep.

Expert Reviews


What reviewers liked

This blend is made to be pure and adaptable, and you can freely mix it with your favorite shakes and smoothies without altering the flavor.
- Gym Ventures
There are no fillers in this creatine monohydrate. The only ingredient is Creapure. The simplicity of the ingredient list helps keep the cost down and makes ON’s Creatine one of the cheapest and highly rated creatine supplements available. The powder supplement is odorless and tasteless, making it easy to mix with other powdered supplements.
- Smart Monkey Fitness
99.9% creatine monohydrate unflavoured powder. At 114 servings, this container is a better value by the ounce than many competitors. Contains 5 grams of creatine monohydrate per serving.
- BestReviews
Most users noticed that after a week of using Optimum Nutrition Micronized Creatine, they noticed a difference in their workouts at the gym; they were able to add on more reps, use heavier weights, have a shorter recovery time, and noticed a visible increase in the overall size of their muscles.
- Alt Protein
These supplements when taken after workout sessions, can help reduce post-workout fatigue and can help the muscles repair faster. It comes without any artificial additives like flavoring agents or added sugars.
- Beasts Live
This powder is tasteless making it easy to mix into drinks and recipes. Each serving contains 5g of creatine and for a 600g tub, the price is still cheaper than the average tub of protein powder.
- Wear Action
This creatine powder can also increase your energy levels and quicken your recovery time by enhancing the energy reserves in your muscles while minimizing protein breakdown.
- Cure Disease
This is best recommended for post-workout use.
- Pure Path
This product is made with CreaPure Creatine to help you get through those high-intensity sweat sessions and make every workout a good one. Optimum Nutrition’s supplement only contains Creatine Monohydrate, so you won't be getting any extra, unnecessary fillers or added sugar. The unflavored supplement is also said to help with workout recovery so you'll be ready for your next workout, no problem.
- Verywell Fit
This unflavored micronized creatine powder is available in a choice of two different sizes so you can try a little or a lot, at a price that works for you. It works to help provide increased power and strength in your workouts, while speeding up the recovery process. It easily mixes into water, juice, or your post-workout protein shake to help power up your fitness results.
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This has pure micronized creatine monohydrate.
- Garage Gym Power
It mixes very well and can be blended with a shaker bottle. There are no fillers or additives in this product.
- Garage Gym Builder
Since every bit of this micronized powder is so tiny, the supplements quickly dissolve in any type of liquid, so you will be able to mix them with any drink, be it juice or water and experience the effects sooner rather than later. It will increase your evergy levels and speed up the recovery rates.
- Best Advisor
Increases your power and endurance. This is ideal for health-conscious vegans.
- Total Shape
This is halal and vegan-friendly
- Tek Nutrition
It’s incredibly affordable. While Integrated Supplements Creapure Creatine is technically the cheapest Creapure.
- Mantelligence
The fact that it’s micronized means this powder can dissolve in water with less clumping. It can be made into post-workout shakes and more. This ON supplement doesn’t have any filler and is true to its claim of being pure. It’s relatively safe to take, but if you’re under 18 or pregnant/nursing, make sure to consult a medical expert first.
- Best Mass Gainer Tips
Increases muscle strength and power. This will enhance energy reserves in muscles while minimizing protein breakdown.
- Hugskott

What reviewers didn't like

The biggest overall complaint by users of ON Creatine Powder is the lack of a scoop for the powder in the package. Instead of providing a scoop, Optimum Nutrition instructs consumers to use a rounded teaspoon to measure the recommended serving of five grams.
- Smart Monkey Fitness
Does not include with a scoop.
- BestReviews
The biggest downside that a lot of people complain about with Optimum Nutrition Micronized Creatine is that the powder doesn’t mix in well.
- Alt Protein
It comes as a flavorless powder. So some might not really like the bland taste it gives when mixed with water. But if you are looking for a creatine supplement that you can combine with your other post workout shakes then this is the best option.
- Beasts Live
Product recommends taking at least three times a day, which is more than most creatine supplements. Also, it doesn’t offer any obvious guarantees about the product being vegan, non-GMO, etc.
- Cure Disease
Unflavored powder may not taste great on its own. This may not mix as well as other powder products.
- Pure Path
No measuring spoon included.
- Garage Gym Power
This is tasteless.
- Garage Gym Builder
The container's design is a tad inconvenient, might be difficult to get the last bits of powder with a spoon.
- Best Advisor
Not ground as fine as some other creatine powders.
- Total Shape
This has a gritty feel and does not come with a scoop.
- Tek Nutrition

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View our Creatine Powder buying guide for in-depth advice and recommendations.

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