Branded Food · MAST

Mast Dark Chocolate Bar

According to USDA FoodData Central (FDC ID 2536129, data refreshed July 2026), nutrition facts per 100g, sourced verbatim.

600
Calorieshigh density
11.4g
Proteinhigh · 23% DV
48.6g
Carbsgood source · 18% DV
40.0g
Fathigh · 51% DV
600 calories per 100g

Mast Dark Chocolate Bar contains 600 calories per 100g according to USDA FoodData Central. It has 11.4g of protein, 40.0g of fat, and 48.6g of carbohydrates per 100g. Data is sourced verbatim from the Branded Food database, refreshed July 2026.

  • More protein than 54% of USDA whole foods

The verdict

Mast Dark Chocolate Bar is fiber-rich, with 20.0g of dietary fiber per 100g.

11.4g
protein per 100g
Top 46%
protein vs USDA whole foods
600
calories per 100g
20.0g
fiber per 100g

Percentile computed against the 7,880 USDA SR Legacy and Foundation whole foods with a protein value, not branded or processed items.

FDA labeling rules →

Mast Dark Chocolate Bar by MAST contains 600 calories per 100g, according to the USDA FoodData Central database. It provides 11.4g of protein, 40.0g of fat, and 48.6g of carbohydrates per 100g. Dietary fiber: 20.0g. Below you will find a complete nutrient breakdown including vitamins, minerals, and daily value percentages based on a 2,000 calorie diet. Values are normalized to a 100g serving per the USDA FoodData Central standardization. Source: USDA laboratory analysis and manufacturer-reported label data for food products sold in the United States.

🌾 Good Fiber Source

Where this data comes from

USDA FoodData Central is the United States government's authoritative reference for food composition, maintained by the Agricultural Research Service and updated as new laboratory analyses and manufacturer submissions are processed. Mast Dark Chocolate Bar is catalogued there as FDC ID 2536129, a branded food entry from MAST. Every figure on this page comes from USDA laboratory analysis under the FDC Branded Food program, standardized to 100 g so it can be compared fairly against any other food in the database. Values are shown on the USDA per-100 g basis.

By the per-100g standardization, Mast Dark Chocolate Bar reads as good fiber source within common dietary frameworks. Check the full breakdown above for vitamins, minerals, and amino acids.

Nutritional Value at a Glance

Mast Dark Chocolate Bar is a fat-rich food; consider portion sizes if monitoring caloric intake.

At 71% of the Daily Value for fiber, this is a good source that supports digestive health and may help with satiety.

Allergen indicators

No FDA Big 9 major-allergen indicator was detected in the product name and brand text scan (milk, eggs, fish, crustacean shellfish, tree nuts, peanuts, wheat, soybeans, sesame). Absence-of-flag does NOT mean allergen-free. The USDA FoodData Central release does not always include a full ingredient list, always verify with the FDA-mandated ingredient and allergen statement printed on the physical package before consumption.

Nutrition Facts Serving size 100g Amount per serving Calories 600 % Daily Value* Total Fat 40g 51% Saturated Fat 23g 114% Trans Fat 0g Cholesterol 0mg 0% Sodium 0mg 0% Total Carbohydrate 49g 18% Dietary Fiber 20g 71% Total Sugars 20g Includes 20g Added Sugars 40% Protein 11g Vitamin D 0mcg 0% Calcium 0mg 0% Iron 3mg 17% Potassium 600mg 13% * The % Daily Value (DV) tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

Values per 100g

Macro Breakdown

600
Calories per 100g

600 kcal = 30% of FDA 2,000 kcal Daily Value

0%100%30of 2,000 kcal
600 kcal = 30% of FDA 2,000 kcal Daily Value
P: 11.4gF: 40.0gC: 48.6g
11.4g
Protein
23% DV
40.0g
Total Fat
51% DV
48.6g
Carbs
18% DV
20.0g
Fiber
71% DV
20.0g
Sugar
no FDA DV

Values shown per 100g, the USDA FoodData Central standardization. Serving size for this entry is not declared in the USDA release.

Where Mast Dark Chocolate Bar ranks on protein

Its 11.4g of protein per 100g placed against every USDA reference (whole) food, the 7,880 SR Legacy and Foundation items with a protein value.

Protein per 100g - Mast Dark Chocolate Bar vs every USDA reference food

USDA reference (whole) foods with a protein value

11 Top 46% higher than 54% of 7,880 USDA reference foods

0–5: 2,829 USDA reference foods (36%). Below this entry. 5–10: 1,170 USDA reference foods (15%). Below this entry. 10–15: 863 USDA reference foods (11%). This entry sits in this band. 15–20: 783 USDA reference foods (10%). Above this entry. 20–25: 1,085 USDA reference foods (14%). Above this entry. 25–30: 826 USDA reference foods (10%). Above this entry. 30–35: 230 USDA reference foods (3%). Above this entry. 35–40: 32 USDA reference foods (0%). Above this entry. 40–45: 9 USDA reference foods (0%). Above this entry. 45–50: 11 USDA reference foods (0%). Above this entry. 50–55: 9 USDA reference foods (0%). Above this entry. 55–60: 33 USDA reference foods (0%). Above this entry. This food 0 60 every USDA reference food, bucketed by value

Each bar is a band; taller bars hold more USDA reference foods. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source USDA FoodData Central, SR Legacy & Foundation · July 2026

Full Nutrient Breakdown

Every nutrient USDA reports for this food, per 100 g, with each value's share of the FDA Daily Value shown as a bar.

Macronutrients

Nutrient Amount % DV
Carbohydrate, by difference 48.6 G
18%
Energy 600 KCAL
Fiber, total dietary 20.0 G
71%
Protein 11.4 G
23%
Total Sugars 20.0 G
Total lipid (fat) 40.0 G
51%

Vitamins

Nutrient Amount % DV
Sugars, added 20.0 G
40%

Minerals

Nutrient Amount % DV
Calcium, Ca 0 MG
0%
Iron, Fe 3 MG
17%
Potassium, K 600 MG
13%
Sodium, Na 0 MG
0%
Vitamin D (D2 + D3), International Units 0 IU
0%

Lipids

Nutrient Amount % DV
Cholesterol 0 MG
0%
Fatty acids, total saturated 22.9 G
114%
Fatty acids, total trans 0.00 G

Key takeaways

  • Mast Dark Chocolate Bar delivers 11.4g of protein per 100g, more than 54% of USDA whole foods. See the protein ranking
  • It carries 600 calories per 100g.
  • Based on its per-100g profile, it fits good fiber source patterns.

Nearby Foods

Foods in the same category with similar calorie content, useful for swaps, substitutions, and side-by-side comparison.

No close calorie matches in the same category. Browse the full category index to explore other foods, or use the compare tool to line up any two foods side-by-side.

Frequently Asked Questions

How many calories are in Mast Dark Chocolate Bar? ▼
Mast Dark Chocolate Bar contains 600 calories per 100g. It has 11.4g of protein, 40.0g of fat, and 48.6g of carbohydrates.
What are the macros in Mast Dark Chocolate Bar? ▼
Per 100g, Mast Dark Chocolate Bar has 11.4g protein (8% of calories), 40.0g fat, and 48.6g carbs. Fiber: 20.0g. Sugar: 20.0g.
Is Mast Dark Chocolate Bar high in fiber? ▼
Mast Dark Chocolate Bar contains 20.0g of dietary fiber per 100g, which is 71% of the daily recommended value (28g). This is considered a good source of fiber.
Is Mast Dark Chocolate Bar keto-friendly? ▼
Mast Dark Chocolate Bar has 48.6g of carbs per 100g (32% of calories), which may be too high for strict keto diets (typically under 5g net carbs per serving).
Is Mast Dark Chocolate Bar good for a diet? ▼
Mast Dark Chocolate Bar has 600 calories per 100g. Fat content: 40.0g. Contains 20.0g fiber which aids digestion.
How does Mast Dark Chocolate Bar compare to other foods? ▼
Mast Dark Chocolate Bar provides 600 calories and 11.4g protein per 100g. That is 52 calories per gram of protein. Use our compare tool to see how it stacks up against similar foods in the same category.

Nutrition Guides

Learn how to interpret and use nutrition data effectively

How to Read Nutrition Labels
Understanding Daily Values (%DV)
Comparing Foods for Better Nutrition
Hidden Sugars in Common Foods
How to Compare Foods for Healthier Choices

Primary source data

📂
USDA FoodData Central
Federal nutrient database, every nutrient figure here
🌱
FDA Food Labeling & Nutrition
Regulatory definitions for labels and serving sizes
💉
NIH Office of Dietary Supplements
Federal vitamin and supplement fact sheets
⚠️
USDA FSIS Recalls
Federal meat, poultry, and egg recall alerts
📣
FDA Food Recalls
Federal alerts for FDA-regulated food products
📋
Dietary Guidelines for Americans
USDA + HHS joint nutrition guidance

Data Sources & Methodology

Data from USDA FoodData Central, April 2026 release. See our methodology.

Source: USDA FoodData Central (FDC ID 2536129) — Branded Food database. Verify with USDA →

Source: FDA 2,000-calorie Daily Value reference — %DV computed against the USDA per-100g standardization basis.

Disclaimer: This information is for reference only and should not replace professional dietary advice. Nutrient content may vary by brand, preparation method, and seasonal factors.

All federal data sources used on this page

Every figure on GetFoodFacts is rendered directly from official USDA FoodData Central records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of July 2026.