99.9% purity. 5 g per serving. Stock up and stay consistent.
Science-backed creatine with a 99.9% purity guarantee
Choose a straightforward creatine monohydrate with verified purity and a clear daily dose.

What to look for: proven form + stated purity

The most scientifically supported creatine formulation is creatine monohydrate, and the most trustworthy options pair that familiar form with a clear, measurable purity standard. A purity guarantee matters because it tells you exactly what the brand is standing behind—so you can supplement with confidence and keep your routine disciplined.

Creapure® Creatine Monohydrate - Unflavored (50 Servings) checks both boxes with a creatine monohydrate formula and a stated 99.9% purity. It also provides a straightforward 5 g creatine per serving, making it easy to align your daily intake with a consistent plan.

  • Formulation clarity: creatine monohydrate, no flavoring to mask what you’re taking.
  • Purity transparency: a specific purity figure is listed, not vague language.
  • Simple dosing: 5 g per serving supports repeatable habits.

If the goal is to choose a creatine that’s grounded in research and backed by a purity promise, prioritize monohydrate first, then look for a product that states purity and serving size clearly—so every scoop supports your next training day.*

Verified purity, simple daily serving.

Clean creatine, built for daily consistency

When creatine is part of your everyday effort, the best product is the one you’ll actually use—consistently, correctly, and without guesswork. This unflavored creatine monohydrate is designed to fit into nearly any routine, whether you mix it into water or stack it with your usual pre- or post-workout nutrition.

What you get in every serving

  • 5 g creatine per serving: a clear, repeatable amount that supports a disciplined approach.
  • 99.9% purity: a stated standard that helps you feel confident in what you’re taking.
  • Unflavored: keeps your mix simple and flexible—no competing taste.

How it supports your goals*

This formula is positioned to support muscle recovery and help boost cognitive function.* That combination makes it a practical choice for people who want performance support that extends beyond the gym—without adding complexity to their supplement stack.

With 50 servings per container, it’s also easy to stay on track: one serving, one habit, day after day—so your progress is fueled by consistency, not hype.*

How to choose a creatine with real confidence

Not all creatine labels make it easy to compare options. Use this quick checklist to choose a formulation that’s grounded in science and supported by transparent quality signals—so you can focus on training, not second-guessing.

1) Start with the formulation

Look for creatine monohydrate. It’s the most established form and the easiest to evaluate because it’s straightforward—no complicated blends required.

2) Confirm the purity statement

A strong option will state a specific purity standard. For example, this product lists 99.9% purity, which is clearer than broad claims that don’t quantify anything.

3) Check the serving size and do the math

Choose a product that tells you exactly how much creatine you’re getting per serving. Here, it’s 5 g per serving, which makes it simple to build a consistent daily routine.

4) Decide on flavor based on flexibility

If you mix creatine into different drinks, unflavored can be the most versatile choice. It keeps your routine adaptable without changing the core ingredient.

  1. Pick monohydrate.
  2. Prioritize a stated purity figure.
  3. Choose a clear daily dose you can repeat.
Creatine Monohydrate - Unflavored (100 Servings)
4.5
(35 reviews)
$39.99
Optimum Nutrition Micronized Creatine Powder
$21.99
Creatine Monohydrate (100 Servings)
$44.99
Creatine Monohydrate Ergogenic 5G (200 Servings)
$49.99
Creatine Monohydrate 5g (200 Servings)
$49.99

Why shop creatine at GNC

Big goals are built on daily wins—and the right creatine should make those wins easier to repeat. At GNC, the focus stays on clear formulas and straightforward product details, so choosing your supplement feels simple, not overwhelming.

That’s why options like Creapure® creatine monohydrate matter: you can quickly see the essentials that support confident decision-making—an established formulation, a stated purity standard, and a defined serving size. No distractions. Just the information you need to stay consistent.

Whether you’re rebuilding momentum or pushing for the next level, GNC is here to help you fuel your routine with products that fit an intentional approach—so you can rise to the challenge, one day at a time.*

Which creatine formulation has the strongest scientific support?
What does a purity guarantee mean on a creatine label?
How can you tell if a creatine product is transparent about dosing?
Is unflavored creatine a better choice for a clean routine?
What benefits are associated with this creatine option?
How many servings are in Creapure® Creatine Monohydrate - Unflavored (50 Servings)?
What should you compare when choosing between creatine brands?
Creatine Monohydrate - Unflavored (100 Servings)
4.5 (35 reviews)
$3999

⤷ View Nutrition Label

Details

Supplementing with creatine can boost muscle size, strength and endurance, improve athletic performance, and speed muscle recovery. Creatine helps replenish ATP, which increases muscle energy and delays muscle fatigue.

  • Pure Grade Micronized
  • Boosts ATP & Energy Output
  • Increases Muscle Size & Strength
  • HPLC Lab Tested for Potency
  • No Fillers, No Excipients, No Additives
Ingredients
How To Use
Shipping and Returns

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Recent Reviews

Great Value for the Price

Dissolves fully into either pre-workout or post workout shakes without issue. Most importantly, my bloodwork results have confirmed I'm at full saturation with a 5g scoop 5 days a week. Went through the first 100 servings and just ordered another. Would recommend.

jack rVerified Buyer

Dissolves fully

robyn gVerified Buyer

GREAT

EXCELLENT PRODUCT

pedro vVerified Buyer

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ahmed aVerified Buyer

Highly recommend this. Got it for my boyfriend. If you want your girl to love you even more, get this.

bekahVerified Buyer

Got it for my boyfriend. I love him more now. If you want your girl to love you more, get this.

bekahVerified Buyer

Blend nice

It dissolves really nice in water and my after workout shake.

steven fVerified Buyer

Good choice

So far, great! I've had bad reactions to creatine before, but not to this brand. Good price and quality. Very happy with it.

ana cVerified Buyer

Good bang for your buck

Can comment on results just yet because I’ve only taken it for 3 weeks not but it mixes well, no flavor and goes down easy.

andrew bVerified Buyer

Doesn’t mix well. There’s always some “sand” left over in the cup or bottle.

rossini dVerified Buyer

Great price, Great product

This is the first and only creatine I've ever taken. My experience has been great. It has no flavor or odor, and dissolves easily enough in my protein. I noticed that I was dehydrating during the loading phase pretty badly and suffered some constipation, despite my water intake. That passed and all is well. Definitely noticed a jump in my strength gains, endurance, recovery, and overall larger muscles. Feels great. Water and Stretching are crucial when taking this supplement.

seth dVerified Buyer

Great product!

eduardo vVerified Buyer

Great Product

It works great so far, I feel stronger and have more energy to make my workouts last longer.

troy dVerified Buyer

100% creatine mono

Mixes well, scoops fine, works great

kyle lVerified Buyer

Worked within a week. The results are better than I expected definitely something u wanna get if you’re trying to look better fast.

abel vVerified Buyer

Creatine

Great product.

calvin pVerified Buyer

Does the trick

Excellent product. Effective, as advertised. Mixes well into smoothies without affecting taste.

anthony mVerified Buyer

i love it it works so well gives me better performance

dalton vVerified Buyer

It is a very good supplement, I took creative before and I’m happy so far

paulo valerio aVerified Buyer

Go for it

So far is really good! It gives me the strength that I need and as an unflavored product it doesn’t have any chemical taste. Only thing is that is kind of hard to dissolve.

alexis pVerified Buyer

Creatine go crazy ??

adrian mVerified Buyer

Another Quality Product

It's exactly what I would expect from nutrabio. A quality product from a quality company.

matthew hVerified Buyer

AMAZING!! DEFINITELY RECOMEND!

This is a great product and brand. Love this! its effective and you can notice the difference it makes. Great to mix with any drink and since it unflavored you really don't know its there. I would definitely recomend this.

lucero cVerified Buyer

Truly works, my strength improved in a matter of a few weeks. Use with a proper diet.

francisco cVerified Buyer

Good product, mixes well

Only been using it for about 2 weeks, but have been happy with the results so far.

chad zVerified Buyer

Strength improvements and some endurance aswell

This is a pure, clean, creatine, effective and safe.

tyler lVerified Buyer

Really good product!!!!

matthew oVerified Buyer

It’s pure and I am already leaning out taking the daily dose my strength has increased too

jeremy fVerified Buyer

It’s pure and I am already leaning out taking the daily dose my strength has increased too

jeremy fVerified Buyer

Good Product

I like the Nutro Bio brand of products, because they are some of the cleanest available. The Creatine mixes easy with any liquid, and since it is unflavored, you get no taste. I have been using it for a few months now, and like the results. It does what it is supposed to do. I would recommend this product to other people.

gregory bVerified Buyer

Mixes great. No gritty taste.

joel eVerified Buyer

Good product

victor sVerified Buyer

No additives and it works

This stuff is great. I've noticed a difference since taking it, and I chose it because it has no added ingredients.

zachary zVerified Buyer

aaron rVerified Buyer

Okay

DONT GET! One scoop which is recommend contains 800 mg 1000 mg make a g. You need about 5 mg of creatine for it to work prooperly. Use creatine monohydrate one scoop contains the 5g. However In my first week of use. No super big chances in my body, but my weight has been going up.

samuelVerified Buyer