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Customer reviews for Optimum Nutrition Micronized Creatine Powder, Unflavored, 23.8 oz. for
Optimum Nutrition Micronized Creatine Powder, Unflavored, 23.8 oz.
4.2 out of 5 stars
stars200 ratings130 reviews
  1. 5 stars64% (128)
  2. 4 stars15% (30)
  3. 3 stars6% (11)
  4. 2 stars3% (6)
  5. 1 star13% (25)

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Showing 21-30 of 130 reviews
Feb 15, 2026
anonymous
1 out of 5 stars review

Missing 27% of declared NET WT

missing .4 LB from declared net WT. It has tons of room inside container for the product, but it is missing. the packaging was sealed, so it makes me think it comes that way from manufacturer. Now that there is lack of transparency on weight I doubt the quality of the product.

Helpful?61CMFNRKJFYM17797605150
reply from Optimum Nutrition

We are sorry to hear of the experience you’ve had with your purchase. We greatly appreciate you bringing your concern to our attention and would love to hear from you so we may have a chance to resolve this directly with you. We are available M-F 8:30am - 5pm CST and can be reached at oncustsuppus@optimumnutrition.com

May 3, 2026
Marcus S
5 out of 5 stars review

Just Right

Creatine is a critical part of my nutrition and training. I take it everyday and being about to buy in bulk is essential. Optimum Nutrition is a brand I trust and this product doesn't disappoints. It's a brand I trust and continue to come back to time and time again. I think the mouth of the container could be wider to make accessing the powder easier. If you're new to creatine or an experienced user this hits the spot.

Review from ExpertVoice.com
Helpful?61CMFNRKJFYM17797605150
Aug 4, 2023
R F.
5 out of 5 stars review

Verified Purchase

Micronized Creatine Powder

Love the product. As I am getting older my natural creatine was starting to drop off. My doc recommended as supplement if I planned to continue working out. I chose Optimum and glad I did. My creatine is back to normal levels in no time. It is a bit gritty taken with plain water but add it to any other beverage even mild and you don't even know it's there. Great product.

Review from optimumnutrition.com
Helpful?61CMFNRKJFYM17797605150
Jan 26, 2026
BT
5 out of 5 stars review

Verified Purchase

No stomach issues

No stomach issues like with other brands

Helpful?61CMFNRKJFYM17797605150
Jun 5, 2025
Colonel
5 out of 5 stars review

Verified Purchase

Simple and Easy

Capsule form is easy to take . Replaces having to mix.

Review from optimumnutrition.com
Helpful?61CMFNRKJFYM17797605150
reply from Optimum Nutrition

Capsules are definitely great on the go alternative! 🙌

Apr 4, 2026
Carla W
4 out of 5 stars review

Prefer the pills over powder

Like almost all perimenopausal women, I’m concerned about sarcopenia, brain fog and have been taking creatine. First I used powder in my breakfast smoothie but then got tired of only ever having a smoothie for breakfast. Then I put in my coffee, but I could taste it and missed actually enjoying my coffee. The gummies are too expensive and extra sugar, so these capsules fit the bill well. Easy to take, no weird after taste. Will continue to use them.

Review from ExpertVoice.com
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Aug 12, 2023
Anonymous
5 out of 5 stars review

Verified Purchase

Creatine

Been taking this for almost a month now and I can honestly say it’s not bad I do not have any bloated feeling so far. I would recommend this product to anyone that goes to the gym consistently.

Review from optimumnutrition.com
Helpful?61CMFNRKJFYM17797605150
Apr 1, 2021
Anonymous
5 out of 5 stars review

Verified Purchase

100% Clean Creatine

Best products on the market. The quality control by ON is by far the best and should be seen as the industry standard. I’ve been using ON products including their creatine for years and never once was disappointed.

Review from optimumnutrition.com
Helpful?61CMFNRKJFYM17797605150
Aug 27, 2021
Anonymous
5 out of 5 stars review

Verified Purchase

Very Good

I have been using ON creatine for about three weeks and my recovery has been better, strength has increased and actually my energy levels have increased also.

Review from optimumnutrition.com
Helpful?61CMFNRKJFYM17797605150
Aug 27, 2021
Anonymous
5 out of 5 stars review

Verified Purchase

Excellent

Excellent product, 1/2 tbsp for perfect portion. Works as advertised and dissolves really well in 8oz of milk. It arrived quickly and the price on the 400 servings container is hard to beat.

Review from optimumnutrition.com
Helpful?61CMFNRKJFYM17797605150