Calories in Brioche: Nutrition Facts & Serving Sizes
Per 1 slice (40g)
Per 100g
Source: Web research, March 2026.
Brioche is a rich French bread made with a high proportion of eggs and butter, giving it a tender, pillowy texture and a golden, slightly sweet crumb. One slice (40g) contains 138 calories with 4g of protein, 18.6g of carbs, and 5.4g of fat. Per 100g, brioche delivers 346 calories, 9.9g of protein, 46.4g of carbs, and 13.5g of fat. Sugar is notable at 9.5g per 100g, making it sweeter than most bread varieties. Cholesterol comes in at 73mg per 100g due to the egg and butter content. Folate is a standout at 78mcg per 100g, and iron at 2.5mg contributes meaningfully to daily targets. Selenium is present at 18mcg per 100g. Brioche is commonly used for burgers, French toast, sandwiches, and as a standalone treat.
Nutrition Highlights
Calories by Serving Size
| Serving | Cal | Protein | Carbs | Fat | Fiber |
|---|---|---|---|---|---|
| 1 slice (40g) | 138.4 | 4g | 18.6g | 5.4g | 0.6g |
| 100g | 346 | 9.9g | 46.4g | 13.5g | 1.6g |
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Full Nutrition Facts (per 100g)
| Nutrient | Amount | % Daily Value |
|---|---|---|
| Calories | 346 | 17% |
| Protein | 9.9g | 20% |
| Total Fat | 13.5g | 17% |
| Saturated Fat | 6.5g | 33% |
| Trans Fat | 0.1g | |
| Total Carbohydrates | 46.4g | 17% |
| Dietary Fiber | 1.6g | 6% |
| Sugars | 9.5g | 19% |
| Sodium | 380mg | 17% |
| Cholesterol | 73mg | 24% |
Vitamins & Minerals (per 100g)
| Nutrient | Amount | % Daily Value |
|---|---|---|
| Saturated Fat | 6.5g | 2% |
| Trans Fat | 0.1g | 0% |
| Cholesterol | 73mg | 24% |
| Calcium | 56mg | 4% |
| Iron | 2.5mg | 14% |
| Potassium | 110mg | 2% |
| Vitamin B6 | 0.1mg | 6% |
| Vitamin B12 | 0.2mcg | 8% |
| Magnesium | 20mg | 5% |
| Phosphorus | 90mg | 7% |
| Zinc | 0.7mg | 6% |
| Selenium | 18mcg | 33% |
| Folate | 78mcg | 20% |
| Thiamin (B1) | 0.3mg | 25% |
| Riboflavin (B2) | 0.2mg | 15% |
| Niacin (B3) | 2.8mg | 18% |
% Daily Values based on a 2,000 calorie diet (FDA reference).
Health Benefits of Brioche
Brioche offers more nutritional substance than its reputation as a treat bread might suggest. The egg content contributes meaningfully to its protein profile at 9.9g per 100g, which is competitive with many standard breads. Eggs also bring cholesterol, vitamins B12 and D, and additional micronutrients to the final product.
Folate is the standout micronutrient at 78mcg per 100g. Folate (vitamin B9) supports DNA synthesis, cell division, and red blood cell production, making it particularly relevant for recovery from intense training. A single slice provides about 31mcg, roughly 8% of the recommended daily intake.
Iron at 2.5mg per 100g supports hemoglobin production and oxygen delivery to working muscles. For anyone training hard, adequate iron is essential for endurance and reducing fatigue. One slice covers about 7% of the daily iron target.
Selenium at 18mcg per 100g (7.2mcg per slice) contributes to antioxidant defenses and thyroid function. Thiamin at 0.3mg per 100g supports carbohydrate metabolism, which is directly relevant when brioche is consumed as a carb source around training.
For a bulking phase or as part of a carb refeed, brioche is an effective high-calorie, palatable carb source. Its combination of carbs and fat makes it energy-dense, which is useful when hitting a caloric surplus.
Dietary Considerations
Brioche is not vegan due to its eggs and butter content. It contains gluten and is not suitable for those with celiac disease or gluten sensitivity. It is not dairy-free. Brioche is not keto-friendly given its 46.4g carbs per 100g. For weight loss, it should be consumed sparingly due to its calorie density of 346 per 100g and sugar content. It is best suited to maintenance or bulking phases where carb intake is higher. The cholesterol content at 73mg per 100g is worth noting for those monitoring dietary cholesterol. It is a good source of quick carbohydrates for pre- or post-workout nutrition.
Daily Intake (100g)
100g of brioche provides 17% of a 2,000-calorie diet.
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Frequently Asked Questions
How many calories in brioche?
Brioche has 346 calories per 100g. One slice (40g) contains approximately 138 calories, making it higher in calories than most standard bread slices.
Is brioche good for weight loss?
Brioche is not optimal for weight loss due to its calorie density of 346 per 100g, 9.5g sugar per 100g, and 13.5g fat. It can fit in a calorie-controlled diet occasionally, but leaner bread options are better choices when cutting.
How much protein in brioche?
Brioche contains 9.9g of protein per 100g, which is comparable to other enriched breads. One slice (40g) provides about 4g of protein, contributed largely by the egg content in the recipe.
Is brioche higher in calories than regular bread?
Yes. Brioche has 346 calories per 100g compared to approximately 265 calories per 100g for standard white bread. The difference comes from the high butter and egg content, which raises both fat and overall calorie density significantly.
Is brioche keto-friendly?
No, brioche is not keto-friendly. It contains 46.4g of carbohydrates per 100g. One slice (40g) has about 18.6g of carbs, which would use up most or all of a typical daily keto carb allowance.
What is brioche used for?
Brioche is commonly used as burger buns, for French toast, as a base for bread pudding, and as a standalone sweet bread. Its rich, buttery flavor and soft texture make it popular for both savory and sweet applications.
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