Protein Comparisons

Two options, the same three questions: how much protein per calorie, how much leucine per serving, and does the difference actually change what you should buy. Every figure on these pages is computed from the product panel, not asserted.

6 comparisons · Protein Density and tier computed via the same methodology used site-wide

Protein source vs protein source

Whey, casein, isolate, concentrate — which format actually differs, and by how much, on label-measured numbers.

Whey vs Casein Protein: Identical Density, Different Job

76.9% Dymatize ISO100 Hydrolyzed Whey Isolate vs 76.9% Dymatize Elite Casein

Whey and casein match at 76.9% Protein Density with near-identical leucine (2.7g vs 2.5g) — the real split is digestion speed and DIAAS, not protein quality.

Whey Isolate vs Concentrate: What the Premium Actually Buys

100% NOW Sports Whey Protein Isolate vs 73.8% NOW Sports Whey Protein Concentrate

NOW's whey isolate hits 100% Protein Density vs 73.8% for its own concentrate — yet leucine per gram of protein is near-identical. What the premium buys.

Fast food vs a packaged snack

What a restaurant item really delivers next to the protein bar or yogurt you would otherwise grab.

McDonald's Egg McMuffin vs Greek Yogurt: Same Protein, Triple the Calories

80% Fage Total 0% Plain Greek Yogurt vs 21.9% McDonald's Egg McMuffin

An Egg McMuffin and a cup of Fage 0% deliver almost the same protein — but the McMuffin costs 3.4x the calories. The Protein Density breakdown.

Does Chipotle Chicken Really Have 32g of Protein? Yes — and It Beats a Protein Bar

42% Quest Birthday Cake Protein Bar vs 71.1% Chipotle Chicken (single portion)

Chipotle's chicken portion is 32g protein for 180 calories — a 71% Protein Density that out-scores most packaged protein bars. The honest comparison.

McDouble vs Greek Yogurt: Same Protein, A Quarter of the Calories

56.7% Fage Total 2% Plain Greek Yogurt vs 22% McDonald's McDouble

The McDouble is McDonald's value-protein favorite at 22g. A cup of Fage 2% matches it for 120 calories instead of 400. Protein Density compared.

Starbucks Protein Box vs a Protein Bar: Where the Calories Go

42% Quest Birthday Cake Protein Bar vs 19.6% Starbucks Eggs & Cheese Protein Box

The Starbucks Eggs & Cheese Protein Box is 23g protein for 470 calories. A Quest bar matches the protein at 200. The Protein Density breakdown.

All protein powders

The full database, ranked by leucine per serving.

Protein per dollar

Enter what you actually pay and see which option wins on cost per gram.