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A thick, roughly rectangular golden-brown bar with a rough, chunky surface, packed with visible rolled oats and pieces of nuts.
💪High Protein
🌿High Fiber
Nature Valley· all products

Nature Valley Protein Bar Calories

High-protein snack bar

CALORIES · 100 G

410kcal

GI

45medium

POTASSIUM · 100 G

210mg

FIBER · 100 G

7g

Quick answer

1 piece (medium) of Nature Valley Protein Bar (40 g) has 164 calories. That works out to 410 calories per 100 g. It contains 13.6 g of carbs, 11.2 g of protein, 6 g of fat and 2.8 g of fiber. Its 68 mg of Phosphorus covers 10% of the Daily Value. Its glycemic index is 45 (medium), so it raises blood sugar at a moderate pace.

Nature Valley Protein Bar Nutrition Facts

Selected: 1 piece (medium) · 40 g

164

KCAL / 40G

Carbs

13.6g

· 5% DV

Protein

11.2g

· 22% DV

Fat

6g

· 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 36% · Protein 29% · Fat 35%

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

NutrientAmount% DV
Calories164 kcal
Total fat6 g8%
Saturated fat1.4 g7%
Trans fat0 g
Sodium136 mg6%
Total carbohydrate13.6 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?

ServingAmountCalories
1 piece (medium)40 g164 kcal
1 piece (small)25 g103 kcal
1 serving (medium)40 g164 kcal
1 piece (large)60 g246 kcal
2 piece (large)80 g328 kcal
1 pack (double)80 g328 kcal
100 g100 g410 kcal
1 pack (jumbo)160 g656 kcal

Calculated from 410 calories per 100 g.

Frequently Asked Questions About Nature Valley Protein Bar

What kind of snack is a Nature Valley Protein Bar?

A Nature Valley Protein Bar is a packaged, processed snack bar marketed as a portable protein option. It can be convenient between meals, but it is not a freshly prepared food or a complete meal on its own.

What ingredients are in a Nature Valley Protein Bar?

Ingredients vary by Nature Valley Protein Bar flavor, but many varieties use nuts, grain ingredients, and added protein sources. Some also include chocolate or sweeteners, so the ingredient list on the specific package is the reliable guide.

How is a Nature Valley Protein Bar different from a regular Nature Valley granola bar?

A Nature Valley Protein Bar is formulated with ingredients such as nuts and protein sources to make it a higher-protein option. Regular Nature Valley granola bars have a different recipe and nutritional profile, and both vary by flavor.

Are Nature Valley Protein Bars healthy?

Nature Valley Protein Bars can be a convenient protein-containing snack, especially when you need something portable. They are still packaged bars, and recipes can include added sugar or fat, so they work best alongside a varied diet rather than as an everyday meal replacement.

Can a Nature Valley Protein Bar help with weight loss?

A Nature Valley Protein Bar may fit into a weight-loss plan as a portioned snack, but it does not cause weight loss by itself. Its usefulness depends on whether it replaces a less filling snack or simply adds extra food to the day.

Can a Nature Valley Protein Bar replace a meal?

No, a Nature Valley Protein Bar is not a complete meal replacement. It does not provide the range of foods found in a balanced meal; pair it with fruit and yogurt, for example, if you need a more substantial snack.

Is a Nature Valley Protein Bar a good snack before a workout?

A Nature Valley Protein Bar can be a portable snack before exercise, but eating it right before a workout may feel uncomfortable for some people. Leave enough time to digest it, and choose a different snack if bars do not sit well with you.

Do Nature Valley Protein Bars contain real nuts?

Many Nature Valley Protein Bar varieties include nuts such as peanuts or almonds, though ingredients differ by flavor. If you want a particular nut or need to avoid one, check that variety’s package rather than assuming every bar has the same recipe.

How should you store an opened Nature Valley Protein Bar?

Keep an opened Nature Valley Protein Bar in an airtight container in a cool, dry place. Exposure to air can make it stale or affect its texture, so eat the remainder soon rather than leaving it unwrapped.

Can children eat Nature Valley Protein Bars?

Children can eat a Nature Valley Protein Bar as an occasional snack if its ingredients suit them, but it should not replace regular meals. The bar may be chewy or contain nuts, so consider the child’s age, chewing ability, and any known allergies.

Nature Valley Protein Bar Vitamins & Minerals

Vitamins

B2

0.06mg · 5% DV

B1

0.05mg · 4% DV

B12

0.08µg · 3% DV

B3

0.48mg · 3% DV

Minerals

Phosphorus

68mg · 10% DV

Manganese

0.16mg · 7% DV

Sodium

136mg · 6% DV

Magnesium

24mg · 6% DV

Potassium ⭐

84mg · 2% DV

Nature Valley Protein Bar Glycemic Index

GLYCEMIC INDEX

45
Medium
0 Low5570100

GLYCEMIC LOAD

6
Low

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

How to Burn Off Nature Valley Protein Bar

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?

Nature Valley Protein Bar is a branded, individually wrapped snack bar that brings together grains and nuts with protein-containing ingredients. It is made for convenience rather than as a sit-down meal, making it easy to keep in a bag for a busy day or a journey.

Expect a mix of crunchy pieces and a chewy bite, with a flavour led by grains and nuts. It works as a between-meal snack, whether eaten on the go, after activity or with coffee or tea. It is high in protein, but also provides carbohydrates and fat, so it is best thought of as a substantial snack rather than a source of protein alone. A typical serving is one medium bar, about 40 g; pair it with fruit if you want a more rounded snack.

How Nutritious Is Nature Valley Protein 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 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 Nature Valley Protein Bar Contain Allergens?

Contains these allergens:

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

Which Diets Is Nature Valley 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

Nature Valley Protein Bar Fat Profile

SATURATED

1.4g

MONOUNSATURATED

2.2g

POLYUNSATURATED

1.68g

⚖️

Omega 6:3 ratio 12.5:1

Above the ideal 4:1 (12.5:1).

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Nutrition data compiled from USDA FoodData Central and scientific sources.