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High-protein snack bar with peanuts and chocolate
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
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.
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%
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 172 kcal | |
| Total fat | 9.2 g | 12% |
| Saturated fat | 2.2 g | 11% |
| Trans fat | 0 g | |
| Sodium | 136 mg | 6% |
| Total carbohydrate | 12.8 g | 5% |
| Fiber | 2.8 g | 10% |
| Protein | 10 g | 20% |
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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| Serving | Amount | Calories |
|---|---|---|
| 1 piece (medium) | 40 g | 172 kcal |
| 1 piece (small) | 25 g | 108 kcal |
| 1 piece (small) | 30 g | 129 kcal |
| 1 piece (large) | 50 g | 215 kcal |
| 1 piece (extra large) | 60 g | 258 kcal |
| 2 piece (large) | 80 g | 344 kcal |
| 1 pack (double) | 80 g | 344 kcal |
| 100 g | 100 g | 430 kcal |
| 3 piece (jumbo) | 120 g | 516 kcal |
Calculated from 430 calories per 100 g.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
To burn the 172 calories in 1 piece (medium) (40 g):
🚶
Walking (5 km/h)
🏃
Running (8 km/h)
🚴
Cycling
🏊
Swimming
Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.
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.
Medium
How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.
High
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.
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.
Contains these allergens:
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
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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Nutrition data compiled from USDA FoodData Central and scientific sources.