Thorne Creatine 405g
by Thorne
Compare Prices
Thorne Creatine is a pure micronized creatine monohydrate backed by NSF Certified for Sport — one of the most rigorous third-party testing programmes in the industry, making it a go-to for competitive athletes subject to drug testing. Best for Competitive and professional athletes subject to anti-doping testing and Consumers who prioritise third-party purity verification above cost.
According to the AIScored 0–100 scoring system, Thorne Creatine 405g by Thorne scores 74.0/100, ranking #10 out of 32 products in Creatine (2026). Strongest category: Certifications (97.0/100). Weakest: Value For Money (44.0/100).
Is Thorne Creatine 405g worth buying?
“If you want a creatine you can actually trust, Thorne scores 74/100 for its NSF Certified for Sport badge—that's the certification serious athletes look for. It's pure micronized creatine with no fillers, mixes without a strange taste, and gives you exactly what you're paying for.”
What Do Reviewers Say About Thorne Creatine 405g?
Sample excerpts from currently available source material used in this product analysis.
"I have only been taking it for less than 15 days so I don’t feel I can give a real review. But what I can say is, I do find it has a slight taste so I put a small ammo nut of sugar free cordial."
"A new part of my routine. . . .. I was curious about Creatine so i thought i would give it a go and im not disappointed, definitely a difference in my muscle gain and have a clearer head! Sachets make it easier to continue my routine whem i..."
"Really handy when travelling. Love these sachets for when I go away saves carrying the jar with risk of breaking in luggage."
"I love this product, it’s easy on the stomach and I have seen definite benefits in recovery from exercise. I have the glass jar also which I use at home and tend to use the sachets when I am on the go or travelling. My only slight bug bear..."
"Welcome to /r/Creatine . Here you will find a friendly and forgiving community of creatine users who have been through the same hardship, regret and guilt that you yourself might be experiencing right now. The side-effects of creatine are a..."
How does Thorne Creatine 405g score?
Detailed score breakdown and key findings from our analysis of 76 reviews across 4 sources.
Pros
- +NSF Certified for Sport — the most credible certification for competitive and professional athletes
- +Pure micronized creatine monohydrate with zero fillers, binders, or additives
- +Neutral taste and good solubility — mixes cleanly into water, juice, or coffee
- +Well-established brand with a clinical-grade reputation used by professional sports teams
- +Broad appeal: users report benefits for strength, recovery, endurance, and cognitive function
Cons
- -Significantly overpriced relative to equally pure creatine from budget or mid-tier brands — Reddit consensus is consistent on this
- -No Creapure (German) origin specified; sourcing transparency is limited for a premium-positioned product
- -Some Reddit users report recent concerns about quality consistency following Thorne's acquisition
- -The certification premium is meaningful only for drug-tested athletes — general fitness users are unlikely to need NSF-level assurance
Best For
Watch Out
- !Price premium is hard to justify for recreational gym-goers — identical ingredient available far cheaper elsewhere
- !Kidney disease or dehydration: standard creatine caution applies regardless of brand
- !Some iHerb reviews appear to conflate Thorne with Creapure sourcing — this is unverified and should not be assumed
- !Trustpilot reviews in this dataset are for a UK beekeeping supplier (Thorne Beekeeping Ltd), not this supplement brand — disregard them
What is Thorne Creatine 405g?
Thorne Creatine 405g is a creatine product by Thorne in powder form, scoring 74.0/100 on AIScored.
- • A clinical-grade creatine monohydrate from Thorne, the supplement brand trusted by professional sports leagues and Olympic teams.
- • NSF Certified for Sport — one of the most rigorous third-party testing programmes available.
- • Each 5g serving provides pure micronized creatine with no fillers.
- • Premium price reflects the brand's clinical and professional positioning.
What's Inside Thorne Creatine 405g?
Thorne Creatine 405g contains 1 active ingredient: Creatine Monohydrate.
Active Ingredients
- Creatine Monohydrate
- 5g per serving
Clean Label Analysis
Pure micronized creatine monohydrate with nothing else. The product itself is no different to any other quality creatine — what you're paying for is the NSF Certified for Sport testing programme, which is the most stringent in the industry.
Is Thorne Creatine 405g Independently Tested?
Third-Party Tested
This product has been independently tested by third-party laboratories for purity, potency, and safety.
Certifications
Additional Specifications
- Creatine Form
- Monohydrate (Micronized)
How We Score Supplements
Our methodology analyses review data, ingredient science, and product information, then scores each product on a 0-100 scale across evidence-based categories:
Effectiveness
How well the product delivers its claimed benefits, based on reviews and ingredient evidence.
Ingredient Quality
Bioavailable forms, clinically effective dosages, clean label, minimal fillers.
Value for Money
Price relative to ingredient quality, dosage count, and effectiveness.
Side Effects Profile
Higher score = fewer side effects. 100 means virtually no adverse reactions reported.
Certifications & Testing
Third-party lab testing, GMP certification, and independent quality verification.
Overall Score
Weighted combination of all factors. Our bottom-line recommendation.
How Does Thorne Creatine 405g Compare?
See how this product stacks up against the top-rated creatine in our database.
| Product | Score | Price |
|---|---|---|
| Thorne Creatine 405g (this) | 74.0 | £42.99 |
| Bulk Creatine Monohydrate (Creap... | 91.0 | £16.99 |
Price History (90 days)
Quick Facts
- Form
- Powder
- Dose
- 5g per serving
- Serving
- 1 scoop (5g)
- Servings
- 81
- Vegan
- Yes
- Made in
- USA
Frequently Asked Questions
Is Thorne Creatine 405g worth buying in 2026? ▼
What is the best price for Thorne Creatine 405g in the UK? ▼
What are the pros and cons of Thorne Creatine 405g? ▼
Is Thorne Creatine 405g third-party tested? ▼
How does Thorne Creatine 405g compare to Bulk Creatine Monohydrate (Creapure) 500g? ▼
What the Data Says About Creatine
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 research-backed summaries based on publicly available reviews and product information. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Affiliate links may earn us a commission at no extra cost to you.
What Are Other Top Creatine?
Other top-rated creatine you might want to compare.
Featured in Our Guides
This product is recommended in the following curated guides.
Feedback & Suggestions
Spotted an issue? Wrong price, incorrect data, or something else off? Let us know and we'll fix it.
Missing a product you'd like us to review? Tell us the product name and we'll consider adding it.