Protein Bar (Average) Calories & Nutrition Facts
Convenient high-protein snack for active individuals, compare labels for best options.
Quick answer
How many calories are in Protein Bar (Average)?
Protein Bar (Average) has 388 calories per 100g. A 1 standard bar (60g) has about 233 calories. It is a calorie-dense food, with most calories coming from carbs.
Practical Portion Guide for Protein Bar (Average)
| Portion | Calories | Protein | Carbs | Net carbs | Fat |
|---|---|---|---|---|---|
| 1 standard bar (60g) | 233 kcal | 18.0g | 26.4g | 23.4g | 7.2g |
| mini bar (40g) | 155 kcal | 12.0g | 17.6g | 15.6g | 4.8g |
| large bar (75g) | 291 kcal | 22.5g | 33.0g | 29.3g | 9.0g |
| 100g reference | 388 kcal | 30.0g | 44.0g | 39.0g | 12.0g |
Compare the full label, not just protein grams. Bars can differ in sugar alcohols, added sugar, fiber isolates, saturated fat, sodium, and total calories.
Serving Size Calculator
Macros Breakdown (per 100g)
Diet Suitability
Glycemic Index: 55 (Low)
How Protein Bar (Average) Fits Into a Diet
Protein bars are most useful as convenience food when a normal high-protein meal is not available, especially around travel, work, or training.
Use a protein bar with fruit, water, coffee, or yogurt depending on whether you need more volume, carbohydrates, or a more complete snack.
This is an average profile. Whey, collagen, plant-based, keto, meal-replacement, and candy-style bars can be nutritionally very different.
Plan Around Protein Bar (Average)
Compare Protein Bar (Average) With Similar Snacks
Use this comparison when choosing a serving. Calories alone do not tell the full story: protein, fiber, fat, sodium, and realistic portion size determine whether a food fits your plan.
| Food | Calories | Protein | Carbs | Fat | Fiber |
|---|---|---|---|---|---|
| Protein Bar (Average) | 388 kcal | 30g | 44g | 12g | 5g |
| Dark Chocolate (70-85%) | 598 kcal | 7.8g | 46g | 43g | 10.9g |
| Potato Chips | 536 kcal | 7g | 53g | 35g | 4.8g |
| Popcorn (Air-popped) | 375 kcal | 12g | 74g | 4.5g | 15g |
| Pretzels | 381 kcal | 9.3g | 80g | 3.1g | 2.9g |
| Rice Cakes (Plain) | 387 kcal | 8.2g | 81g | 3.5g | 1.7g |
All comparison values use each food's 100-unit reference so foods can be compared on the same basis.
Vitamins & Minerals
Vitamins
Minerals
Complete Nutrition Facts (per 100g)
Methodology & Nutrition Data Sources
How we calculate nutrition data for Protein Bar (Average): Our calorie and macronutrient data integrates multiple authoritative federal nutrition databases. Values shown reflect standard serving sizes unless specified, based on USDA laboratory analysis of raw and prepared food samples.
- Calorie and macronutrient data sourced from the USDA FoodData Central — the comprehensive federal nutrition database covering 1M+ food items with full nutrient profiles.
- Daily Value percentages (% DV) based on FDA Daily Value reference amounts for a 2,000 calorie diet, as established under 21 CFR 101.9.
- Dietary reference intakes (DRI) for vitamins and minerals from the NIH Dietary Reference Intake tables — the gold standard for nutrient adequacy assessment.
- Glycemic index values cross-referenced with Harvard Health Glycemic Index Reference and University of Sydney GI database.
- Dietary guidelines context from the HHS/USDA Dietary Guidelines for Americans 2020–2025 — the federal evidence-based nutrition guidance.
Authoritative nutrition data sources:
- USDA FoodData Central — comprehensive food composition database
- FDA Nutrition Facts Label rules — % Daily Value methodology
- NIH Office of Dietary Supplements — vitamin and mineral research
- CDC Nutrition — Public Health Guidance — chronic disease and diet
- HHS/USDA Dietary Guidelines 2020–2025 — federal nutrition recommendations
- Harvard T.H. Chan School of Public Health — The Nutrition Source — evidence-based dietary guidance
Nutrition Disclaimer: Calorie and nutrient values are based on standard USDA reference data and may vary by brand, preparation method, ripeness, and cooking technique. These values are for informational purposes only and should not replace personalized dietary advice from a registered dietitian. Individuals with medical conditions should consult a healthcare provider before making significant dietary changes.
Reviewed by Brazora Monk · Last updated May 17, 2026 · USDA FoodData Central & FDA Nutrition data current as of latest release
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Frequently Asked Questions
How many calories are in Protein Bar (Average)?
Protein Bar (Average) contains 388 calories per 100g serving. This includes 120 calories from protein, 176 calories from carbohydrates, and 108 calories from fat.
Is Protein Bar (Average) good for weight loss?
Protein Bar (Average) is calorie-dense at 388 per 100g. For weight loss, use it in smaller portions and balance with lower-calorie, high-fiber foods to manage total intake.
How much protein is in Protein Bar (Average)?
Protein Bar (Average) contains 30g of protein per 100g. This makes it an excellent high-protein food, ideal for muscle building and recovery.
What serving size should I track for Protein Bar (Average)?
Track Protein Bar (Average) by grams when precision matters. A practical starting point is 1 standard bar (60g), which is about 233 calories. For packaged, restaurant, fried, sauced, or sweetened versions, use the product label because brand formulas can differ from the plain reference.
Is Protein Bar (Average) keto-friendly?
Protein Bar (Average) is not ideal for strict keto diets due to its 44g of carbohydrates per 100g. Small portions may fit if your daily carb limit allows.
Is Protein Bar (Average) good for diabetics?
People with diabetes should exercise caution with Protein Bar (Average), which has a glycemic index of 55. Its carbohydrate content may affect blood sugar levels. Consult your healthcare provider.
What vitamins and minerals are in Protein Bar (Average)?
Protein Bar (Average) is a good source of vitamins B1, B2, B12, D, C and minerals including Calcium, Iron, Magnesium, Zinc, Phosphorus. These nutrients support various bodily functions from energy metabolism to immune health.
Where does Calorique get nutrition data for Protein Bar (Average)?
Calorique standardizes Protein Bar (Average) nutrition values per 100g using USDA FoodData Central reference fields where available, then scales the data into realistic serving sizes. FDA Nutrition Facts methodology and authoritative nutrition references are used for context. This page was last reviewed May 17, 2026.
Related Calculators
Dark Chocolate (70-85%)
598 cal · 7.8g protein per 100g
Potato Chips
536 cal · 7g protein per 100g
Popcorn (Air-popped)
375 cal · 12g protein per 100g
Pretzels
381 cal · 9.3g protein per 100g
Rice Cakes (Plain)
387 cal · 8.2g protein per 100g
Granola Bar
471 cal · 8.3g protein per 100g
Trail Mix (Nuts & Dried Fruit)
462 cal · 12g protein per 100g
Peanut Butter (Natural)
598 cal · 25g protein per 100g