Calories in Protein Bar
Protein Bar contains 374 calories per 100g. High in protein with 23g per 100g.
Get the complete nutrition breakdown, macros, serving sizes, and health benefits below.
Nutritional Highlights
High Protein
23g protein per 100g
Good Fiber Source
4.6g fiber per 100g
Nutrition Facts
Per 100g serving
Macronutrient Distribution
Calories by Serving Size
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About Protein Bar Nutrition
Protein bars are convenient, portable snacks designed to provide a concentrated source of protein. They range from minimally processed whole food bars to highly engineered supplements. Popular among athletes, busy professionals, and those seeking convenient nutrition, protein bars vary widely in their ingredients, protein sources, and overall nutritional quality.
With 374 calories per 100 grams, Protein Bar provides 23g of protein,44g of carbohydrates, and 11g of fat.
Macronutrient Breakdown
- Protein: 23g - 25% of calories
- Carbohydrates: 44g - 47% of calories
- Fat: 11g - 26% of calories
Health Benefits of Protein Bar
- Provides convenient, portable protein for muscle maintenance and repair
- Can help meet daily protein requirements, especially for active individuals
- Many varieties offer fiber for digestive health and satiety
- Some include added vitamins and minerals for comprehensive nutrition
- Can support weight management by promoting fullness between meals
- Useful post-workout recovery option when whole foods aren't available
How to Eat Protein Bar
Protein bars work well as post-workout recovery, mid-afternoon snacks, or meal replacements in a pinch. Choose bars with 15-25g protein and minimal added sugar. Read labels carefully - many bars are essentially candy bars with protein added. Whole food bars with recognizable ingredients are generally healthier than heavily processed options.
Selection and Storage
Look for bars with 15-25g protein, under 10g added sugar, and recognizable ingredients. Whey, casein, and plant proteins (pea, soy) are quality sources. Store in a cool, dry place. Check expiration dates. Refrigeration can improve texture of some bars. Compare nutrition labels as quality varies enormously.
Dietary Considerations
Protein bars range from 150-400+ calories depending on size and ingredients. Many contain sugar alcohols that can cause digestive issues in some people. Those with dairy allergies should choose plant-based options. Watch for hidden sugars under various names. Whole food protein sources are generally preferable when available.
Frequently Asked Questions About Protein Bar
How many calories are in a protein bar?
Protein bars typically contain 150-300 calories, though some exceed 400 calories. Per 100g, they average 350-450 calories depending on ingredients. Lower-calorie bars (150-200 cal) usually have less protein (10-15g), while higher-calorie bars (250-350 cal) often have 20-30g protein.
Are protein bars good for weight loss?
Protein bars can support weight loss when used strategically - the protein promotes satiety and preserves muscle. However, many bars are high in calories and sugar. Choose bars with high protein (20g+), low sugar (<5g), and moderate calories (200 or less) for weight loss. Don't use them as candy replacements.
Is it OK to eat a protein bar every day?
Eating one quality protein bar daily is generally fine for most people, especially if it helps meet protein needs. However, whole food protein sources (meat, fish, eggs, legumes) are preferable when possible. Daily consumption is fine if the bar has quality ingredients and fits your calorie goals.
What should I look for in a protein bar?
Look for: 15-25g protein from quality sources (whey, casein, pea), under 10g sugar, at least 3g fiber, recognizable ingredients, and appropriate calories for your goals. Avoid: excessive sugar alcohols, artificial sweeteners if sensitive, and bars with candy-like ingredient lists.
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Data Source
USDA Verified DataAll nutrition values are verified from USDA laboratory analysis.
Learn how to use this data →Nutrition Guides
Data Accuracy Note: Nutrition values are based on USDA FoodData Central laboratory analysis. Actual values may vary based on growing conditions, preparation methods, and specific product brands. Values are rounded to one decimal place.