Evidence-Based Supplement Hub
Creatine, whey, caffeine, beta-alanine, omega-3, vitamin D and more, organized for research and buying decisions.
Where we send readers now
We no longer earn commission on any competing supplement brand on this page. The only supplement link we earn from is Legion, below — so you can weigh our ranking above knowing exactly where our money comes from.
- 22 g protein per serving
- Whey isolate, not concentrate
- Third-party tested by Labdoor
- No artificial sweeteners, flavors or dyes
- 4.63/5 from 12,124 reviews
With a subscription $48.74 — $1.62 per dose
Not the cheapest per gram - ON Gold Standard is. You pay the premium for isolate, no artificial sweeteners and Labdoor testing.
Check price at Legion →
- 8 g citrulline malate
- 3.6 g beta-alanine
- 350 mg caffeine
- 350 mg L-theanine
- 2.5 g betaine
- 300 mg alpha-GPC
- Every dose disclosed - no proprietary blend
- 4.6/5 from 22,589 reviews
With a subscription $37.49 — $1.87 per dose
We rated Pulse fully dosed in our own dose comparison before any commercial relationship with Legion existed. The doses are the reason, not the commission.
Check price at Legion →
- Micronized creatine monohydrate - the form with the evidence
- Third-party tested
- No proprietary blend
Monohydrate is the form with the evidence behind it. What separates one tub from another is purity and testing, and this one is third-party tested with every dose on the label.
Check price at Legion →
- No stimulants
- Every dose disclosed
- 2,880 reviews
No fat burner replaces a calorie deficit. The honest claim is a small nudge on top of one - nothing more.
Check price at Legion →Disclosure: The Iron Verdict earns a commission on purchases made through the Legion link and code above, at no extra cost to you. We were not paid to rank any product on this page, and the ratings above were written before this partnership existed.
Supplement Categories
Creatine
Guides, reviews, comparisons and FAQs for Creatine.
Explore ->Beta-Alanine
Guides, reviews, comparisons and FAQs for Beta-Alanine.
Explore ->Citrulline Malate
Guides, reviews, comparisons and FAQs for Citrulline Malate.
Explore ->Whey Protein
Guides, reviews, comparisons and FAQs for Whey Protein.
Explore ->Caffeine
Guides, reviews, comparisons and FAQs for Caffeine.
Explore ->Omega-3
Guides, reviews, comparisons and FAQs for Omega-3.
Explore ->Ashwagandha
Guides, reviews, comparisons and FAQs for Ashwagandha.
Explore ->Magnesium
Guides, reviews, comparisons and FAQs for Magnesium.
Explore ->Vitamin D
Guides, reviews, comparisons and FAQs for Vitamin D.
Explore ->Most Popular Supplement Guides
Creatine Benefits Guide
Strength, hypertrophy, performance, dosing and safety.
Explore ->Caffeine Benefits Guide
Sports performance, dosage, timing, safety, sleep and practical supplement recommendations.
Explore ->Best Creatine Supplements
Ranked creatine product recommendations.
Explore ->Best Whey Protein
Protein powders compared for muscle gain and recovery.
Explore ->Beta-Alanine Guide
Performance benefits, dosing and tingles explained.
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Explore ->Pre-Workout
Legion Pulse against the best-sellers, on the doses printed on each label.
Explore ->Caffeine
Caffeine capsules and powders — clean, dosed and third-party tested options.
Explore ->Beta-Alanine
Best beta-alanine supplements for endurance and high-intensity training.
Explore ->Beetroot / Nitrates
Nitrate and beetroot supplements for endurance performance and blood flow.
Explore ->Sports Carbohydrates
Fast-acting carbohydrate products for endurance, team sport and long training sessions.
Explore ->Vitamin D3 + K2
Vitamin D3 and K2 combinations ranked for potency, form and third-party testing.
Explore ->Curcumin
Best curcumin and turmeric supplements for joint health and inflammation support.
Explore ->Fat Burners
An honest, evidence-based look at fat burner supplements — what actually works and what doesn't.
Explore ->Protein Bars
The best high-protein bars ranked by protein quality, macros, ingredients and value.
Explore ->Testosterone Boosters
What the evidence says about testosterone booster supplements — and which ingredients are worth it.
Explore ->Probiotics
Probiotic supplements ranked for strain quality, CFU count and digestive health evidence.
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Home gym and training equipment picks tested for build quality and value.
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Workout headphones reviewed for sound quality, fit, sweat resistance and value.
Explore ->Most Popular Supplements
Our highest-rated supplements across every category, independently reviewed for quality and value.