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A small, thick, rectangular dark-brown brownie with slightly rounded corners, a dense, finely textured surface, and thin lighter-brown chocolate drizzle across the top.
🌿High Fiber
Fiber One· all products

Fiber One Brownie Calories

Low calorie, high fiber snack

CALORIES · 100 G

320kcal

GI

45medium

POTASSIUM · 100 G

120mg

FIBER · 100 G

21g

Quick answer

1 piece (medium) of Fiber One Brownie (25 g) has 80 calories. That works out to 320 calories per 100 g. It contains 16.8 g of carbs, 1.4 g of protein, 1.6 g of fat and 5.3 g of fiber. Its glycemic index is 45 (medium), so it raises blood sugar at a moderate pace.

Fiber One Brownie Nutrition Facts

Selected: 1 piece (medium) · 25 g

80

KCAL / 25G

Carbs

16.8g

· 6% DV

Protein

1.4g

· 3% DV

Fat

1.6g

· 2% DV

Fiber

5.3g

· 19% DV

DV is the share of the daily value covered, on a 2,000 kcal reference diet.

Calories come from: Carbs 77% · Protein 6% · Fat 17%

Fiber One Brownie nutrition facts table · 1 piece (medium) (25 g)

NutrientAmount% DV
Calories80 kcal
Total fat1.6 g2%
Saturated fat0.57 g3%
Trans fat0.01 g
Sodium85 mg4%
Total carbohydrate16.8 g6%
Fiber5.3 g19%
Protein1.4 g3%

Calories: Calories measure energy. Average daily need is 2,000 kcal. Excess calories are stored as fat, too few cause weight loss.

Carbs: Your body's primary energy source. The brain runs exclusively on carbs. Daily need: 275g.

Protein: Essential for muscle repair and cell growth. Daily need: 50g. Keeps you full and boosts metabolism.

Fat: Needed for hormone production and vitamin absorption. Daily need: 78g. Limit saturated fats, choose unsaturated.

Fiber: Critical for digestive health and satiety. Daily need: 28g. Stabilizes blood sugar, lowers cholesterol.

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How Many Calories in 1 Fiber One Brownie?

ServingAmountCalories
1 piece (medium)25 g80 kcal
1 piece (small)15 g48 kcal
1 piece (thin)20 g64 kcal
1 serving (medium)25 g80 kcal
1 piece (thick)35 g112 kcal
2 piece (large)50 g160 kcal
3 piece (extra large)75 g240 kcal
100 g100 g320 kcal
1 pack (jumbo)125 g400 kcal

Calculated from 320 calories per 100 g.

Frequently Asked Questions About Fiber One Brownie

Is Fiber One Brownie healthy?

Fiber One Brownie can be a convenient sweet snack, but it is still a packaged brownie, not a substitute for a varied diet. Its added fiber is a useful feature; whether it suits you also depends on how it fits into your usual meals.

Does Fiber One Brownie help you poop?

Fiber One Brownie may support regular bowel movements because it contains added fiber, but it is not a laxative or a treatment for constipation. Drink enough fluids as you increase fiber, and seek medical advice for persistent or severe symptoms.

Can Fiber One Brownie cause stomach problems?

Yes, Fiber One Brownie can cause gas, bloating, or other digestive discomfort in some people. A sudden increase in fiber is a common reason; try a smaller amount first if you are not used to eating high-fiber foods.

Is Fiber One Brownie good for weight loss?

Fiber One Brownie does not cause weight loss by itself. Its fiber may make a snack feel more satisfying, but having it in addition to your usual food is different from choosing it instead of another treat.

What ingredients are in Fiber One Brownie?

Fiber One Brownie is a cocoa-flavored packaged brownie made with flour and added fiber, along with other ingredients that can vary by market or recipe. For the exact ingredient list, use the package for the specific product you have.

Can people with diabetes eat Fiber One Brownie?

People with diabetes may be able to include Fiber One Brownie, but its fiber does not cancel out its carbohydrates or guarantee a particular blood-sugar response. Consider it as part of the whole meal or snack and follow your individual care plan.

Does Fiber One Brownie taste like a regular brownie?

Fiber One Brownie has a sweet, cocoa-forward brownie flavor, but its texture may differ from a freshly baked brownie. The added fiber and individually packaged snack format give it a different feel from a traditional homemade dessert.

Can you heat Fiber One Brownie in the microwave?

Yes, you can warm Fiber One Brownie briefly in the microwave after removing it from its wrapper. Use a microwave-safe plate and heat it in short bursts; the center can become hot quickly, so let it stand before eating.

How long does Fiber One Brownie last?

An unopened Fiber One Brownie keeps until the best-before date when stored in a cool, dry place. Once the individual wrapper is opened, eat it promptly to avoid a dry or stale texture.

Has Fiber One Brownie been discontinued?

Fiber One Brownie has not necessarily been discontinued everywhere; availability differs by country and retailer. If you cannot find it locally, check the brand’s current product listings or major online retailers, since stores may carry different varieties or stock.

Fiber One Brownie Vitamins & Minerals

Vitamins

B2

0.03mg · 2% DV

B1

0.02mg · 2% DV

B12

0.03µg · 1% DV

B5

0.05mg · 1% DV

Minerals

Sodium

85mg · 4% DV

Iron

0.55mg · 3% DV

Phosphorus

18mg · 3% DV

Copper

0.02mg · 2% DV

Potassium ⭐

30mg · 1% DV

Fiber One Brownie Glycemic Index

GLYCEMIC INDEX

45
Medium
0 Low5570100

GLYCEMIC LOAD

7.5
Low

Accounts for portion size — a more realistic measure than GI alone.

How to Burn Off Fiber One Brownie

To burn the 80 calories in 1 piece (medium) (25 g):

🚶

20min

Walking (5 km/h)

🏃

8min

Running (8 km/h)

🚴

11min

Cycling

🏊

9min

Swimming

Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.

What is Fiber One Brownie?

Fiber One Brownie is a packaged, chocolate-flavoured snack with a soft, cake-like texture and added fibre. It offers a convenient, portion-sized alternative to a homemade brownie, with a sweet taste and a slightly chewy, moist bite.

It works as an occasional snack at home, at work or on the go, and pairs easily with coffee or tea. Its fibre content is high for a sweet snack, but it is still best treated as a treat rather than a substitute for a balanced meal. Enjoy it on its own or alongside plain yoghurt for a more filling snack.

How Nutritious Is Fiber One Brownie?

Nutrient density

Medium

35/ 100

How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.

Satiety score

Medium

46/ 100

An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.

Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.

Is Fiber One Brownie Processed?

NOVA 3

Processed

1. Unprocessed

2. Minimally Processed

3. Processed

4. Ultra-Processed

NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.

Does Fiber One Brownie Contain Allergens?

Contains these allergens:

Gluten yes
Dairy yes
Eggs yes
Peanuts free
Tree nuts free
Fish free
Soy yes
Sesame free

Which Diets Is Fiber One Brownie Good For?

Vegan

— Not suitable

Vegetarian

✓ Suitable

Gluten-Free

— Not suitable

Dairy-Free

— Not suitable

Mediterranean

— Not suitable

Paleo

— Not suitable

Whole30

— Not suitable

DASH

— Not suitable

Keto

— Not suitable

Low FODMAP

— Not suitable

Fiber One Brownie Fat Profile

SATURATED

0.57g

MONOUNSATURATED

0.53g

POLYUNSATURATED

0.3g

⚖️

Omega 6:3 ratio 11:1

Above the ideal 4:1 (11:1).

Compare Fiber One Brownie

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Foods Similar to Fiber One Brownie

🧴

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18 kcal

🌯

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210 kcal

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195 kcal

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Nutrition data compiled from USDA FoodData Central and scientific sources.