Energy Bar (Oat-based) Calories & Nutrition Facts
Portable nutrition bar made with oats, nuts, and sweeteners, designed for sustained energy during activity.
Quick answer
How many calories are in Energy Bar (Oat-based)?
Energy Bar (Oat-based) has 440 calories per 100g. A 1 oz (28g) has about 123 calories. It is a calorie-dense food, with most calories coming from carbs.
Practical Portion Guide for Energy Bar (Oat-based)
| Portion | Calories | Protein | Carbs | Net carbs | Fat |
|---|---|---|---|---|---|
| 1 oz (28g) | 123 kcal | 2.8g | 17.4g | 15.8g | 5.0g |
| 50g snack portion | 220 kcal | 5.0g | 31.0g | 28.3g | 9.0g |
| 100g reference | 440 kcal | 10.0g | 62.0g | 56.5g | 18.0g |
| 200g larger portion | 880 kcal | 20.0g | 124.0g | 113.0g | 36.0g |
Small measuring differences matter for calorie-dense foods. Weighing the portion is more reliable than estimating by handfuls or spoons.
Serving Size Calculator
Macros Breakdown (per 100g)
Diet Suitability
Glycemic Index: 58 (Medium)
How Energy Bar (Oat-based) Fits Into a Diet
Energy Bar (Oat-based) is a calorie-dense option that can add flavor, fats, and texture without a large food volume.
Pair with a higher-volume food such as fruit, vegetables, yogurt, or oats when you want the flavor without overshooting calories.
Roasting method, added oils, salt, sweeteners, and brand formulas can change calories and sodium compared with the reference value.
Plan Around Energy Bar (Oat-based)
Compare Energy Bar (Oat-based) 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 |
|---|---|---|---|---|---|
| Energy Bar (Oat-based) | 440 kcal | 10g | 62g | 18g | 5.5g |
| 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 Energy Bar (Oat-based): 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 Energy Bar (Oat-based)?
Energy Bar (Oat-based) contains 440 calories per 100g serving. This includes 40 calories from protein, 248 calories from carbohydrates, and 162 calories from fat.
Is Energy Bar (Oat-based) good for weight loss?
Energy Bar (Oat-based) is calorie-dense at 440 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 Energy Bar (Oat-based)?
Energy Bar (Oat-based) contains 10g of protein per 100g. This provides a moderate amount of protein, contributing well to daily protein goals.
What serving size should I track for Energy Bar (Oat-based)?
Track Energy Bar (Oat-based) by grams when precision matters. A practical starting point is 1 oz (28g), which is about 123 calories. For packaged, restaurant, fried, sauced, or sweetened versions, use the product label because brand formulas can differ from the plain reference.
Is Energy Bar (Oat-based) keto-friendly?
Energy Bar (Oat-based) is not ideal for strict keto diets due to its 62g of carbohydrates per 100g. Small portions may fit if your daily carb limit allows.
Is Energy Bar (Oat-based) good for diabetics?
People with diabetes should exercise caution with Energy Bar (Oat-based), which has a glycemic index of 58. Its carbohydrate content may affect blood sugar levels. Consult your healthcare provider.
What vitamins and minerals are in Energy Bar (Oat-based)?
Energy Bar (Oat-based) is a good source of vitamins B1, B2, B6, B12 and minerals including Iron, Magnesium, Zinc. These nutrients support various bodily functions from energy metabolism to immune health.
Where does Calorique get nutrition data for Energy Bar (Oat-based)?
Calorique standardizes Energy Bar (Oat-based) 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