Muscle Milk Pro Series Protein Powder, Knockout Chocolate: Protein, Calories & Labelgrade B+

Labelgrade: B+ 84 / 100 — Scores reflect exceptional protein density (60.4g per 100g), long or additive-heavy ingredient list.

💪
Protein
100/100
🍬
Sugar
100/100
🧂
Sodium
80/100
📋
Ingredients
65/100
🌾
Fiber
43/100

Quick Facts

Per serving · 2 SCOOPS

UPC 660726534212
Verified 2026-05-27
210
Calories
32g
Protein 64% DV
12g
Carbs 4% DV
3.5g
Fat 4% DV
Sugar 2g
Fiber 1.01g · 4% DV
Saturated fat 1.5g
Trans fat 0g
Sodium 130mg · 6% DV
Cholesterol 35mg
Calcium 400mg · 31% DV
Iron 3.6mg · 20% DV
Potassium 520mg · 11% DV

The short answer

Muscle Milk Pro Series Protein Powder, Knockout Chocolate delivers 32 g of protein and 210 calories per 2 SCOOPS (USDA FDC 2114497) — about 60.4 g of protein per 100 g. The Labelgrade is B+ (84 / 100): Scores reflect exceptional protein density (60.4g per 100g), long or additive-heavy ingredient list.

Why this Labelgrade

DimensionGradeScore
Protein densityA+100 / 100
Ingredient qualityC+65 / 100
Sugar loadA+100 / 100
Sodium loadB+80 / 100
FiberD43 / 100
OverallB+84 / 100

How it compares

ProductProtein per servingProtein per 100 gCalories
Muscle Milk Pro Series Protein Powder, Knockout Chocolate (this product)32 g60.4 g210
Optimum Nutrition Gold Standard Protein Shake, Gold Standard24 g7.4 g140
Atkins Lift Protein Drink, Berry Naturally Flavored, Berry Naturally Flavored20 g3.9 g91.3
Ensure High Protein Shake, Homemade Vanilla, Homemade Vanilla750 g178.6 g6300
Plain cooked chicken breast (benchmark)~31 g per 100 g31 g~165

Whole-food equivalent

One 2 SCOOPS of Muscle Milk Pro Series Protein Powder, Knockout Chocolate (32 g protein) equals roughly 103 g of cooked chicken breast (about 3.6 oz).

Scope

This page covers Muscle Milk Pro Series Protein Powder, Knockout Chocolate, UPC 660726534212, as represented in USDA Branded Foods FDC 2114497. Muscle Milk sells multiple variants of this product line — other sizes, flavors, or fat levels may have different macros. Manufacturers periodically reformulate; always check the actual package label.

Ingredients (from the USDA Branded Foods entry)

MILK PROTEIN ISOLATE, CALCIUM SODIUM CASEINATE (MILK), MALTODEXTRIN, ALKALIZED COCOA POWDER, WHEY PROTEIN CONCENTRATE (MILK), NON DAIRY CREAMER (SUNFLOWER OIL, MALTODEXTRIN, SODIUM CASEINATE (A MILK DERIVATIVE), MONO- AND DIGLYCERIDES, TOCOPHEROLS), NATURAL AND ARTIFICIAL FLAVORS, LESS THAN 1% OF: POTASSIUM CHLORIDE, WHEY PROTEIN ISOLATE (MILK), MEDIUM CHAIN TRIGLYCERIDES, INULIN, CANOLA OIL, MAGNESIUM OXIDE, SOLUBLE CORN FIBER, POTASSIUM BICARBONATE, ACESULFAME POTASSIUM, DL-ALPHA TOCOPHERYL ACETATE, SUCRALOSE, WHEY PROTEIN HYDROLYSATE (MILK), ASCORBIC ACID, SOY LECITHIN, CALCIUM PHOSPHATE, FERROUS FUMARATE, VITAMIN A PALMITATE, NIACINAMIDE, ZINC OXIDE, COPPER GLUCONATE, D-CALCIUM PANTOTHENATE, LACTOFERRIN (MILK), CHOLECALCIFEROL, PYRIDOXINE HYDROCHLORIDE, THIAMINE MONONITRATE, RIBOFLAVIN, CHROMIUM CHLORIDE, FOLIC ACID, BIOTIN, POTASSIUM IODIDE, CYANOCOBALAMIN.

Nutrition Facts
Nutrient Per Serving (2 SCOOPS)
Calories210
Protein32g
Total Fat3.5g
Saturated Fat1.5g
Trans Fat0g
Total Carbohydrates12g
Dietary Fiber1.01g
Total Sugars2g
Sodium130mg
Cholesterol35mg
Calcium400mg
Iron3.6mg
Potassium520mg
Scope: This page applies specifically to Muscle Milk, Pro Series Protein Powder, Knockout Chocolate · UPC 660726534212. Other sizes, flavors, or formulations may differ. Manufacturers periodically reformulate — always check the actual product label.

Where to buy

The links below are affiliate links — buying through them may earn Labelgrade a commission at no extra cost to you. See our affiliate disclosure. The Labelgrade score is not affected by affiliate relationships — see methodology.

Search links are convenience links that may not land on the exact product variant we covered. Always verify the package label (size, UPC) before purchasing.

Frequently Asked Questions

How much protein is in Muscle Milk Pro Series Protein Powder, Knockout Chocolate?

32 grams of protein per 2 SCOOPS (USDA FDC 2114497). Per 100 g of product, that's 60.4 grams.

How many calories per serving?

210 calories per 2 SCOOPS.

What's in Muscle Milk Pro Series Protein Powder, Knockout Chocolate?

The first ingredients are: MILK PROTEIN ISOLATE, CALCIUM SODIUM CASEINATE (MILK), MALTODEXTRIN, ALKALIZED COCOA POWDER, plus additional minor ingredients. Full list is shown in the "Ingredients" section below, sourced verbatim from USDA Branded Foods.

Does Muscle Milk Pro Series Protein Powder, Knockout Chocolate have added sugar?

No added sugar is listed in the USDA entry. The 2 g of sugars per serving appear to be naturally-occurring (lactose in dairy products, fruit sugars in fruit-containing products).

How much sodium per serving?

130 mg per 2 SCOOPS — about 6% of the FDA daily limit (2,300 mg).

Is Muscle Milk Pro Series Protein Powder, Knockout Chocolate 'high in protein' under FDA rules?

Yes — 32 g per serving is 64% of the FDA 50 g Daily Value, above the 20% threshold for the 'high in protein' claim.

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Sources

  • USDA · ID 2114497 · accessed 2026-05-27

Last verified: 2026-05-27