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A thick, roughly rectangular golden-tan bar has a craggy, compact surface studded with whole peanuts and dark chocolate pieces.
⚡High Potassium
💪High Protein
🌿High Fiber
Nature Valley· all products

Nature Valley Protein Peanut & Chocolate Bar Calories

High-protein snack bar with peanuts and chocolate

CALORIES · 100 G

430kcal

GI

45medium

POTASSIUM · 100 G

350mg

FIBER · 100 G

7g

Quick answer

1 piece (medium) of Nature Valley Protein Peanut & Chocolate Bar (40 g) has 172 calories. That works out to 430 calories per 100 g. It contains 12.8 g of carbs, 10 g of protein, 9.2 g of fat and 2.8 g of fiber. Its 0.1 mg of Copper covers 13% of the Daily Value. Its glycemic index is 45 (medium), so it raises blood sugar at a moderate pace.

Nature Valley Protein Peanut & Chocolate Bar Nutrition Facts

Selected: 1 piece (medium) · 40 g

172

KCAL / 40G

Carbs

12.8g

· 5% DV

Protein

10g

· 20% DV

Fat

9.2g

· 12% DV

Fiber

2.8g

· 10% DV

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

Calories come from: Carbs 29% · Protein 23% · Fat 48%

Nature Valley Protein Peanut & Chocolate Bar nutrition facts table · 1 piece (medium) (40 g)

NutrientAmount% DV
Calories172 kcal
Total fat9.2 g12%
Saturated fat2.2 g11%
Trans fat0 g
Sodium136 mg6%
Total carbohydrate12.8 g5%
Fiber2.8 g10%
Protein10 g20%

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 Nature Valley Protein Peanut & Chocolate Bar?

ServingAmountCalories
1 piece (medium)40 g172 kcal
1 piece (small)25 g108 kcal
1 piece (small)30 g129 kcal
1 piece (large)50 g215 kcal
1 piece (extra large)60 g258 kcal
2 piece (large)80 g344 kcal
1 pack (double)80 g344 kcal
100 g100 g430 kcal
3 piece (jumbo)120 g516 kcal

Calculated from 430 calories per 100 g.

Frequently Asked Questions About Nature Valley Protein Peanut & Chocolate Bar

Is the Nature Valley Protein Peanut & Chocolate Bar a healthy snack?

It can be a convenient snack with protein and fiber, but it is also an ultra-processed packaged bar rather than a whole-food snack. It can fit occasionally into a varied diet, but it should not routinely replace meals built from less processed foods.

Is the Nature Valley Protein Peanut & Chocolate Bar good after a workout?

Yes, it is a portable way to have a protein-containing snack after exercise. It is not a complete recovery meal on its own, so pair it with water and, if you are hungry, fruit or another substantial food.

Can the Nature Valley Protein Peanut & Chocolate Bar help with weight loss?

It does not cause weight loss by itself. Its protein and fiber may make a snack more filling, but it is more useful as a replacement for another snack than as an extra item added to your usual food.

Can people with diabetes eat the Nature Valley Protein Peanut & Chocolate Bar?

Some people with diabetes may be able to include it, but its carbohydrate content matters for blood glucose management. Consider the portion and your own response; if you use diabetes medication, ask your clinician or dietitian how it fits your plan.

What is in the Nature Valley Protein Peanut & Chocolate Bar?

Peanuts, chocolate, and protein-providing ingredients are its defining components. The exact ingredient list and protein source can differ by market or formulation, so use the package ingredient list if you need to avoid a particular ingredient.

Is the Nature Valley Protein Peanut & Chocolate Bar a meal replacement?

No, it is better thought of as a snack than a complete meal. It does not provide the variety of foods you would normally get in a balanced meal; add fruit, yogurt, or another food if you need something more substantial.

Does the Nature Valley Protein Peanut & Chocolate Bar melt in a hot car?

The chocolate can soften or melt in high heat, making the bar messy even if the wrapper is intact. Keep the Nature Valley Protein Peanut & Chocolate Bar in a cool, dry place, especially when carrying it on a warm day.

Can children eat the Nature Valley Protein Peanut & Chocolate Bar?

Children who are allergic to peanuts or tree nuts should not eat it. For younger children without those allergies, consider the bar’s firm, chewy texture and supervise them while eating to reduce choking risk.

How is the Nature Valley Protein Peanut & Chocolate Bar different from a homemade protein bar?

The packaged bar is formulated for consistent texture and shelf life and is an ultra-processed food. A homemade bar lets you choose the ingredients and adjust the sweetness and the amount of peanuts or chocolate.

Is the Nature Valley Protein Peanut & Chocolate Bar a good snack before a run?

It can work before a run if you tolerate peanuts and chocolate well, but its chewy texture and fat may feel heavy close to exercise. Try it well before a run rather than eating it for the first time just before a race.

Nature Valley Protein Peanut & Chocolate Bar Vitamins & Minerals

Vitamins

B1

0.08mg · 7% DV

Vitamin E

1mg · 7% DV

B3

1mg · 6% DV

B6

0.08mg · 5% DV

Minerals

Copper

0.12mg · 13% DV

Manganese

0.24mg · 10% DV

Phosphorus

72mg · 10% DV

Magnesium

28mg · 7% DV

Sodium

136mg · 6% DV

Potassium ⭐

140mg · 4% DV

Nature Valley Protein Peanut & Chocolate Bar Glycemic Index

GLYCEMIC INDEX

45
Medium
0 Low5570100

GLYCEMIC LOAD

5.6
Low

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

How to Burn Off Nature Valley Protein Peanut & Chocolate Bar

To burn the 172 calories in 1 piece (medium) (40 g):

🚶

43min

Walking (5 km/h)

🏃

18min

Running (8 km/h)

🚴

23min

Cycling

🏊

20min

Swimming

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

What is Nature Valley Protein Peanut & Chocolate Bar?

Nature Valley Protein Peanut & Chocolate Bar is a packaged snack bar combining peanuts and chocolate, with protein as a prominent part of its nutritional profile. It is ready to eat and easy to carry, making it a convenient option when you want something more substantial than a small sweet treat but do not have time to prepare a snack.

The roasted, nutty taste of peanuts balances the chocolate, while crunchy pieces give the bar a firm, satisfying texture. People may enjoy it between meals, on a commute or outdoors; it also pairs well with coffee or tea. It provides 25 g of protein per 100 g, alongside carbohydrates and fat, so it is a compact, energy-dense snack. For a lighter-feeling break, have it with water or unsweetened tea rather than another sweet drink.

How Nutritious Is Nature Valley Protein Peanut & Chocolate Bar?

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

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.

Is Nature Valley Protein Peanut & Chocolate Bar Processed?

NOVA 4

Ultra-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 Nature Valley Protein Peanut & Chocolate Bar Contain Allergens?

Contains these allergens:

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

Which Diets Is Nature Valley Protein Peanut & Chocolate 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

Nature Valley Protein Peanut & Chocolate Bar Fat Profile

SATURATED

2.2g

MONOUNSATURATED

4.8g

POLYUNSATURATED

2.4g

⚖️

Omega 6:3 ratio 55:1

Above the ideal 4:1 (55:1).

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🧴

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🍫

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Have another question about Nature Valley Protein Peanut & Chocolate Bar?

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Nutrition data compiled from USDA FoodData Central and scientific sources.