Science-Backed Reviews

Supplements That Actually Work.

We test, analyze, and review fitness supplements and gadgets using real data — so you don't waste money on hype.

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Optimum Nutrition Gold Standard Whey
★★★★★
Protein · 5.0 / 5.0 · Editor's Choice
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Editor's Choice Reviews

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💪 Editor's Pick
Protein Powder
ON Gold Standard 100% Whey Review 2025
★★★★★

Still the gold standard after 10 years. Best amino acid profile and mixability on the market.

9.8
FitLab Score
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Pre-Workout
Transparent Labs BULK Black — In-Depth Review
★★★★★

Fully transparent formula, no prop blends. Best pre-workout for experienced lifters this year.

9.5
FitLab Score
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🔩
Fitness Gadget
Whoop 4.0 Band — Worth It in 2025?
★★★★☆

Best recovery tracker on the market. No screen is a dealbreaker for some but the data is unmatched.

8.7
FitLab Score
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From the FitLab Blog

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🧬
Science
March 18, 2025
Creatine HCL vs Monohydrate: What the Research Actually Says in 2025

We break down 12 peer-reviewed studies to settle the creatine debate once and for all. The answer may surprise you...

🏋️
Training
March 12, 2025
Best Supplements for Muscle Gain (Ranked by Evidence)

Not all muscle-building supplements are created equal. Here's what's actually worth your money.

🌿
Fat Loss
March 7, 2025
Top 5 Fat Burners That Actually Show Clinical Proof

We reviewed the ingredients, dosages, and clinical studies behind the top-rated fat burners on Clickbank.