Your Protein. Your Rules. Ranked.
1100+ products · 5 ranking dimensions · 13 dietary filters · zero hype
up to with at least protein per serving.
Top Ranked by XRay Score
Scored across 5 dimensions: protein efficiency, value, leanness, low carbs, and fiber.



Best by Dimension
Top performers in each scoring dimension — filter by product type.
Proteinmaxxing
Most protein per calorie





Fibermaxxing
Highest fiber content





Best for Cutting
Highest protein-to-fat ratio





Three Ways In
Cutting, bulking, maxxing protein, chasing fiber — tell us what you're optimising for and we rank the field.
Want a chocolate bar under 200 kcal with at least 20g protein? Build a sentence and we'll find your match.
Stack any product against its category — percentiles across 5 dimensions and a transparent XRay Score.
Latest Articles
Data-driven editorial on protein products, nutrition, and how to pick the right supplement for your goals.

Best Vegan Protein Powder: 100 Plant-Based Powders Tested
We ranked over 100 plant-based protein powders by protein efficiency, leanness, and value. The results are surprising — soy isolate dominates the top spots, outperforming most whey powders in the process.

Protein Powder vs Whole Foods: Which Packs More Protein Per Calorie?
We put our top-ranked protein powders head-to-head against chicken breast, eggs, Greek yogurt, and more — gram for gram, calorie for calorie. The results might change how you plan your meals.

Best Protein Bars and Snacks for Weight Loss
Not all protein bars help you lose weight — some have as much fat and sugar as a candy bar. We ranked 430+ bars and snacks by protein per calorie to find the ones that actually earn their place in a deficit.

Best Pure Protein Bar: All Flavors Ranked by Nutrition
Every Pure Protein bar promises 20 g of protein — but calories, fat, and carbs vary wildly by flavor. We ranked all 13 against 400+ bars to find which ones give you the most protein per calorie.

Best Protein Powder for Weight Loss: Ranked by Protein Per Calorie
We ranked over 300 protein powders by protein efficiency and leanness to find the ones that deliver the most protein per calorie — the only metric that matters when you're cutting.

Best Quest Bar: All Flavors Ranked by Nutrition
Quest makes more than 30 different protein bars across many sub-lines — but the classic 15-flavor range dominates, with many of them landing in the top 20 of over 400 bars. We ranked every one to find which flavor gives you the best macros.