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A thick, roughly rectangular golden-brown bar is densely packed with visible peanut pieces and dark chocolate chunks, with a coarse, uneven surface and crumbly edges.
💪High Protein
🌿High Fiber
Nature Valley· all products

Nature Valley Protein Bar (Peanut & Chocolate) Calories

High protein, peanut and chocolate flavored, snack bar

CALORIES · 100 G

410kcal

GI

45medium

POTASSIUM · 100 G

320mg

FIBER · 100 G

7g

Quick answer

1 piece (medium) of Nature Valley Protein Bar (Peanut & Chocolate) (40 g) has 164 calories. That works out to 410 calories per 100 g. It contains 12.8 g of carbs, 11.2 g of protein, 6.4 g of fat and 2.8 g of fiber. Its 0.1 mg of Copper covers 11% of the Daily Value. Its glycemic index is 45 (medium), so it raises blood sugar at a moderate pace.

Nature Valley Protein Bar (Peanut & Chocolate) Nutrition Facts

Selected: 1 piece (medium) · 40 g

164

KCAL / 40G

Carbs

12.8g

· 5% DV

Protein

11.2g

· 22% DV

Fat

6.4g

· 8% 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 33% · Protein 29% · Fat 38%

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

NutrientAmount% DV
Calories164 kcal
Total fat6.4 g8%
Saturated fat1.8 g9%
Trans fat0.04 g
Sodium128 mg6%
Total carbohydrate12.8 g5%
Fiber2.8 g10%
Protein11.2 g22%

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 Bar (Peanut & Chocolate)?

ServingAmountCalories
1 piece (medium)40 g164 kcal
1 piece (extra small)20 g82 kcal
1 piece (small)30 g123 kcal
1 serving (medium)40 g164 kcal
1 piece (large)50 g205 kcal
1 piece (jumbo)60 g246 kcal
2 piece (large)80 g328 kcal
1 pack (double)80 g328 kcal
100 g100 g410 kcal

Calculated from 410 calories per 100 g.

Frequently Asked Questions About Nature Valley Protein Bar (Peanut & Chocolate)

Are Nature Valley Protein Bars (Peanut & Chocolate) healthy?

They can be a convenient protein-containing snack, but they are still a packaged bar rather than a complete meal. Pair one with fruit or yogurt if you want a more substantial snack.

Can Nature Valley Protein Bars (Peanut & Chocolate) help with weight loss?

No bar causes weight loss on its own. Its protein may help with fullness, but eating it in addition to your usual snacks can add to your overall food intake.

When should you eat a Nature Valley Protein Bar (Peanut & Chocolate), before or after a workout?

Either timing can work. Eat it before exercise if it sits comfortably with you, or choose it afterward as a convenient snack; it is not a substitute for a full recovery meal when you need one.

Can a Nature Valley Protein Bar (Peanut & Chocolate) replace a meal?

Not on its own. It is designed as a snack, so it may not provide the variety and overall nourishment of a meal; add fruit and yogurt or another substantial food if you need a meal.

How should you store Nature Valley Protein Bars (Peanut & Chocolate)?

Keep unopened bars in a cool, dry place away from direct sunlight. Heat can soften or melt the chocolate, so avoid leaving one in a hot car or near a sunny window.

How do you store an opened Nature Valley Protein Bar (Peanut & Chocolate)?

Wrap the remaining bar tightly and eat it soon to help prevent it from drying out or picking up other odors. Refrigeration is usually unnecessary, and can make the bar firmer.

Do Nature Valley Protein Bars (Peanut & Chocolate) contain actual peanuts and chocolate?

Yes, peanut and chocolate are the defining ingredients and flavors of this variety. The precise recipe can differ by market, so use the ingredient list on your package for specific ingredients.

How is a Nature Valley Protein Bar (Peanut & Chocolate) different from a regular Nature Valley granola bar?

The protein version is formulated as a protein-focused snack and combines peanut and chocolate flavors. Regular Nature Valley granola bars have different recipes and nutrition profiles, so they are not interchangeable.

Will a Nature Valley Protein Bar (Peanut & Chocolate) keep you full?

Its protein and fiber can help with fullness, though a bar may not satisfy you as long as a meal. Pair it with fruit or yogurt when you want a more filling snack.

Can you eat a Nature Valley Protein Bar (Peanut & Chocolate) at night?

Yes, there is no special reason you must avoid it at night. If chocolate close to bedtime bothers your sleep or the snack feels heavy, choose a smaller portion or eat it earlier.

Nature Valley Protein Bar (Peanut & Chocolate) Vitamins & Minerals

Vitamins

B2

0.07mg · 5% DV

B3

0.84mg · 5% DV

B1

0.06mg · 5% DV

B5

0.24mg · 5% DV

Minerals

Copper

0.1mg · 11% DV

Phosphorus

72mg · 10% DV

Manganese

0.22mg · 10% DV

Magnesium

26mg · 6% DV

Sodium

128mg · 6% DV

Potassium ⭐

128mg · 4% DV

Nature Valley Protein Bar (Peanut & Chocolate) 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 Bar (Peanut & Chocolate)

To burn the 164 calories in 1 piece (medium) (40 g):

🚶

41min

Walking (5 km/h)

🏃

17min

Running (8 km/h)

🚴

22min

Cycling

🏊

19min

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 Bar (Peanut & Chocolate)?

Nature Valley Protein Bar (Peanut & Chocolate) is a packaged snack bar combining peanuts and chocolate, made for a convenient bite when a full meal is not practical. Its compact format suits a desk drawer, bag or day out.

The peanut flavour is nutty and slightly roasted, with chocolate adding sweetness; the bar has a dense, chewy texture. It can be eaten between meals, packed for a hike or enjoyed with coffee or tea. It is notably protein-rich, with 28 g of protein per 100 g. For a lighter snack, have a portion with fresh fruit rather than treating the bar as a meal replacement.

How Nutritious Is Nature Valley Protein Bar (Peanut & Chocolate)?

Nutrient density

Medium

38/ 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 Bar (Peanut & Chocolate) 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 Nature Valley Protein Bar (Peanut & Chocolate) 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 Bar (Peanut & Chocolate) 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 Bar (Peanut & Chocolate) Fat Profile

SATURATED

1.8g

MONOUNSATURATED

2.88g

POLYUNSATURATED

1.6g

⚖️

Omega 6:3 ratio 21.3:1

Above the ideal 4:1 (21.3:1).

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🧴

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Nutrition data compiled from USDA FoodData Central and scientific sources.