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Dymatize Creatine Micronized 500g vs Optimum Nutrition Micronized Creatine Powder 317g

Side-by-side comparison of scores, ingredients, prices and real customer feedback for Dymatize Creatine Micronized 500g and Optimum Nutrition Micronized Creatine Powder 317g.

Last verified: 07 Apr 2026 · Based on 27 reviews

85.0
Quick Answer

Dymatize Creatine Micronized 500g scores 85.0/100 vs Optimum Nutrition Micronized Creatine Powder 317g at 79.0/100. Dymatize Creatine Micronized 500g wins on effectiveness, value for money, side effects. Optimum Nutrition Micronized Creatine Powder 317g is stronger on ingredient quality and certifications.

Which is better: Dymatize Creatine Micronized 500g or Optimum Nutrition Micronize...?

Dymatize wins with an 85/100 score versus ON's 79/100, offering better effectiveness and cleaner dosing at £26.92 for 500g — better value per gram despite the higher price. ON's Informed Choice certification makes it the pick for competitive or tested athletes who can't risk contamination.

— AIScored Editorial Team

How Do the Scores Compare?

Dymatize Creatine Micronized 500g
Optimum Nutrition Micronize...
Dymatize Creatine Micronized 500g
Dymatize Creatine Micronized 500g
Dymatize
Optimum Nutrition Micronized Creatine Powder 317g
Optimum Nutrition Micronize...
Optimum Nutrition
Overall Score 85.0 79.0
Effectiveness 86.0/100
Best
77.0/100
Ingredient Quality 88.0/100 92.0/100
Best
Value for Money 82.0/100
Best
68.0/100
Side Effects 92.0/100
Best
91.0/100
Certifications 74.0/100 86.0/100
Best
Best Price £26.92 Amazon UK → £16.00 Amazon UK →
Cheapest
Price per Serving N/A £0.17 93 servings
Form N/A Powder
Dose N/A 3.4g creatine monohydrate per serving (approx 3g pure creatine)
Third-Party Tested ✗ No ✓ Yes
Reviews Analysed 9 18

Dymatize Creatine Micronized 500g

Pros

  • Mixes cleanly with no residue or clumping — multiple reviewers confirm it dissolves easily
  • Virtually tasteless — easy to stack with other supplements or drinks without flavour clash
  • Noticeable strength and explosiveness gains reported within 6–8 weeks of consistent use
  • Reportedly Creapure-sourced — German-manufactured creatine with high regulatory standards and quality assurance

Cons

  • Included scoop is small and reportedly awkward to use — may cause inconsistent dosing
  • Slightly coarser particle size than some ultra-micronized alternatives, per one reviewer
  • Packaging provides little detail on sourcing or certifications — relies on third-party reviewer verification

Best For

Strength and power athletes (weightlifting, powerlifting, sprinting) Gym-goers focused on progressive overload and muscle gain Quality-conscious buyers wanting verified creatine sourcing Those sensitive to flavoured supplements who prefer a neutral option Beginners to creatine supplementation — straightforward, proven formula
View full review →

Optimum Nutrition Micronized Cre...

Pros

  • Pure micronized creatine monohydrate — the most researched and evidence-backed form of creatine available
  • Informed Choice certified, meaning each batch is tested for banned substances — important for competitive athletes
  • Zero fillers, flavours, or additives; fully vegan and free from all major allergens
  • Micronized particle size mixes more cleanly in liquid than standard creatine, reducing grit and residue

Cons

  • Serving size is 3.4g, which falls short of the 5g daily dose used in virtually all clinical efficacy studies — users need to scoop ~1.5 servings to hit the research-backed dose, reducing the effective yield to roughly 62 servings rather than 93
  • No loading protocol guidance on the label; new users unfamiliar with creatine may under-dose
  • Premium brand pricing means cheaper certified alternatives exist at the same or higher dose per gram
  • One Trustpilot submission flagged dismissive customer service, suggesting post-sale support may be inconsistent

Best For

Strength and resistance training athletes looking for performance and power output gains Competitive or tested athletes who need Informed Choice-certified products People who prefer to add creatine to existing shakes or meals without altering taste Beginners wanting a reputable, clean entry-point creatine with no proprietary blends
View full review →

What does the data say about Dymatize Creatine Micr... vs Optimum Nutrition Micr...?

Dymatize Creatine Micronized 500g scores 85.0/100 overall while Optimum Nutrition Micronized Creatine Powder 317g hits 79.0/100. The main differences sit in how they deliver the creatine. Dymatize gives you a bigger 500g tub and reviewers say it mixes without lumps or leftover grit. Optimum Nutrition packs 3.4g of creatine monohydrate per serving which equals roughly 3g pure creatine yet that sits below the 5g amount used in most studies so you end up scooping extra to match proper research doses. Dymatize feels stronger on effectiveness at 86.0/100 against 77.0/100 and wins on value at 82.0/100 versus 68.0/100 though Optimum Nutrition edges ahead on ingredient quality with 92.0/100 compared to 88.0/100.

Gym rats chasing bigger lifts and faster muscle gains should grab Dymatize Creatine Micronized 500g at £26.92. It suits people who want quick strength bumps within six to eight weeks and do not mind the small awkward scoop. Competitive athletes who need certified batches or those on tight budgets will prefer Optimum Nutrition Micronized Creatine Powder at £16.00 because it stays pure with no extras and works fine when stirred into shakes or food.

Both products taste neutral so they stack easily with other drinks. Dymatize can feel a touch coarser than some rivals while Optimum Nutrition avoids all major allergens and stays vegan. The smaller serving on Optimum Nutrition means the tub empties quicker than expected if you hit the full daily target.

Dymatize Creatine Micronized 500g Winner 85.0/100

Dymatize Micronized Creatine Monohydrate is a 500g pure creatine supplement that, according to at least one reviewer, is sourced from Creapure — a premium German-manufactured creatine with strict quality controls.

Effectiveness
Dymatize Creatin..
86.0/100
Optimum Nutritio..
77.0/100
Ingredient Quality
Dymatize Creatin..
88.0/100
Optimum Nutritio..
92.0/100
Value for Money
Dymatize Creatin..
82.0/100
Optimum Nutritio..
68.0/100
Side Effects
Dymatize Creatin..
92.0/100
Optimum Nutritio..
91.0/100
Certifications
Dymatize Creatin..
74.0/100
Optimum Nutritio..
86.0/100

What are the key differences?

Dymatize Creatine Micro.. is best for: Strength and power athletes (weightlifting, powerlifting, sprinting), Gym-goers focused on progressive overload and muscle gain
Optimum Nutrition Micro.. is best for: Strength and resistance training athletes looking for performance and power output gains, Competitive or tested athletes who need Informed Choice-certified products

Frequently Asked Questions

Which is better, Dymatize Creatine Micronized 500g or Optimum Nutrition Micronized Creatine Powder 317g?
Dymatize Creatine Micronized 500g scores 85.0/100 overall while Optimum Nutrition Micronized Creatine Powder 317g scores 79.0/100. Dymatize Creatine Micronized 500g comes out ahead, scoring higher on effectiveness (86.0 vs 77.0). Dymatize Creatine Micronized 500g is best suited for Strength and power athletes (weightlifting, powerlifting, sprinting) and Gym-goers focused on progressive overload and muscle gain. Optimum Nutrition Micronized C is better for Strength and resistance training athletes looking for performance and power output gains and Competitive or tested athletes who need Informed Choice-certified products.
Is Dymatize Creatine Micronized 500g worth the price compared to Optimum Nutrition Micronized Creatine Powder 317g?
Dymatize Creatine Micronized 500g costs £26.92 while Optimum Nutrition Micronized Creatine Powder 317g is £16.00. For value, Dymatize Creatine Micronized 500g scores 82.0/100 vs Optimum Nutrition Micronized Creatine Powder 317g's 68.0/100. Dymatize Creatine Micronized 500g delivers better value relative to its quality.
Which has fewer side effects?
Dymatize Creatine Micronized 500g scores 92.0/100 for side effects (higher means fewer reported issues) while Optimum Nutrition Micronized Creatine Powder 317g scores 91.0/100. Reviewers report fewer side effects with Dymatize Creatine Micronized 500g. For certification and testing, Dymatize Creatine Mi scores 74.0/100 vs Optimum Nutrition Mi's 86.0/100. Always consult a healthcare professional before starting any supplement.

Related Product Comparisons

What the Data Says

Why do 87% of UK creatine products lack third-party certification?

87% of UK creatine products have zero independent certification. Out of 31 creatine products we scored, just 4 carry third-party verification: Bulk Creapure (Creapure + Informed Sport), Optimum Nutrition (Informed Choice), Thorne (NSF Certified for Sport), and Ovrload Crealyte Gummies (Creapure + Informed Sport).

The quality gap is real. Certified creatine scores 77.2/100 on average. Uncertified creatine scores 67.5. That's a 9.7-point difference on overall quality, and the ingredient quality gap is even wider: 88.5 vs 70.9.

Why so few? Third-party testing costs money, and UK regulations don't require it for sports supplements. Brands that invest in certification tend to use higher-grade raw materials too. Bulk Creapure, our top-scoring creatine at 91/100, uses Creapure-branded monohydrate manufactured in Germany with documented purity testing. Most budget creatine powders don't disclose where their creatine comes from or whether it's been independently verified.

If purity matters to you, look for one of these four certifications on the label: Creapure, Informed Sport, Informed Choice, or NSF Certified for Sport.

Is creatine monohydrate better than HCL or other forms?

Monohydrate wins. The top 5 creatine products in our database are all monohydrate-based, led by Bulk Creapure at 91/100. That's not a coincidence.

Creatine monohydrate has decades of clinical research behind it. Over 500 published studies confirm its effects on muscle strength, power output, and recovery. HCL, ethyl ester, and buffered forms have far less evidence, and none have been shown to outperform monohydrate in head-to-head trials.

The 'better absorption' claim for HCL sounds compelling, but there's limited independent data to support it at the doses you'd actually take. Monohydrate is also the cheapest form by a wide margin.

The bloating concern with monohydrate is real for some people, but it's usually a loading-phase issue. Starting at 3-5g daily (no loading phase) avoids it for most users.

Disclaimer: AIScored provides data-driven comparisons based on publicly available reviews. This is not medical advice. Affiliate links may earn us a commission at no extra cost to you.

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