1 piece (medium) of Peanut Protein Bar (50 g) has 205 calories. That works out to 410 calories per 100 g. It contains 16 g of carbs, 14 g of protein, 8 g of fat and 3.3 g of fiber. Its 0.3 mg of Copper covers 33% of the Daily Value. Its glycemic index is 45 (medium), so it raises blood sugar at a moderate pace.

What is Peanut Protein Bar?

A peanut protein bar is a compact, ready-to-eat snack with a dense texture and pieces of peanut. It is convenient to carry for a quick bite between meals or after activity.

Its flavour is gently sweet and nutty, with a chewy bite and a little crunch from the peanut pieces. It can be eaten on its own, packed for a commute or hike, or paired with fruit for a more rounded snack. With 28 g of protein per 100 g, it is a protein-rich option, though it also provides energy; choose a portion that suits your appetite.

Peanut Protein Bar Nutrition Facts

Selected: 100 g

410

KCAL / 100G

Carbs

32g

· 12% DV

Protein

28g

· 56% DV

Fat

16g

· 21% DV

Fiber

6.5g

· 23% DV

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

Calories come from: Carbs 33% · Protein 29% · Fat 38%

Peanut Protein Bar Vitamins & Minerals

Vitamins

8.2mg · 51% DV

Biotin

9µg · 30% DV

0.35mg · 29% DV

B12

0.6µg · 25% DV

Minerals

Copper

1mg · 111% DV

Manganese

1mg · 43% DV

Phosphorus

260mg · 37% DV

Magnesium

110mg · 26% DV

How Nutritious Is Peanut Protein Bar?

Nutrient density

Medium

45/ 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

High

60/ 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.

Peanut Protein Bar Glycemic Index

GLYCEMIC INDEX

Medium

0 Low5570100

GLYCEMIC LOAD

Medium

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

How to Burn Off Peanut Protein Bar

To burn the 410 calories in 100 g:

🚶

101min

Walking (5 km/h)

🏃

42min

Running (8 km/h)

🚴

56min

Cycling

🏊

48min

Swimming

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

Is Peanut Protein Bar 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 Peanut Protein Bar Contain Allergens?

Contains these allergens:

Gluten free

Dairy free

Eggs free

Peanuts yes

Tree nuts free

Fish free

Soy yes

Sesame free

Which Diets Is Peanut Protein Bar 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

Peanut Protein Bar Fat Profile

SATURATED

2.6g

MONOUNSATURATED

7.2g

POLYUNSATURATED

5.1g

⚖️

Omega 6:3 ratio 96:1

Above the ideal 4:1 (96:1).

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Foods Similar to Peanut Protein Bar

🧴

Hawthorn Vinegar

18 kcal

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210 kcal

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195 kcal

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Frequently Asked Questions About Peanut Protein Bar

Are peanut protein bars healthy?

A peanut protein bar can be a convenient snack, but it is not automatically a healthy choice in every situation. Its ingredients vary by product, so consider how it fits into your usual eating pattern rather than treating the protein claim as a guarantee.

Is a peanut protein bar good after a workout?

Yes, a peanut protein bar can be a convenient post-workout snack when you need something portable. It provides protein, but it does not replace fluids or a varied meal if you are hungry after exercising.

Can a peanut protein bar replace a meal?

Usually, no. A peanut protein bar is best treated as a snack rather than a complete meal, because it does not offer the variety of foods you would normally include in a balanced meal.

How do you make a peanut protein bar at home?

Mix peanut butter with protein powder and oats, adding a little liquid until the mixture holds together. Press it firmly into a lined container and chill until set, adjusting the ingredients if the mixture seems too dry or sticky.

Why is a peanut protein bar so chewy?

A peanut protein bar can be chewy because protein powders, peanut ingredients, and binders create a dense mixture with little moisture. The texture varies by recipe; warming a firm bar slightly can make it easier to bite.

Can you freeze a peanut protein bar?

Yes, you can freeze a peanut protein bar in an airtight wrapper or container. Let it thaw before eating so it is not uncomfortably hard, and follow the package instructions if the product gives specific storage advice.

Is a peanut protein bar better than a candy bar?

Not automatically. A peanut protein bar may offer more protein, while both types can vary in ingredients and sweetness. Compare the nutrition information and ingredient lists, then choose based on whether you want a snack or a treat.

Are peanut protein bars okay for kids?

Older children can generally eat a peanut protein bar if they are not allergic to peanuts or any other ingredients. For young children, the dense or sticky texture may be difficult to chew, so choose age-appropriate foods and supervise them while eating.

Can people with diabetes eat a peanut protein bar?

Some people with diabetes can include a peanut protein bar in their eating plan, but its carbohydrate content and effect on blood glucose vary by product and person. A doctor or dietitian can help you decide how it fits your plan.

Does a peanut protein bar need to be refrigerated after opening?

Usually, an opened peanut protein bar can be kept sealed in a cool, dry place rather than refrigerated. Heat and moisture can affect its texture, so follow the product’s storage directions and avoid leaving the opened bar exposed.

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Nutrition data compiled from USDA FoodData Central and scientific sources.

· Last updated: September 24, 2026