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Last updated: Aug 9, 2026

Starbucks

Perfect Bar Peanut Butter

SnacksPopular

Starbucks Perfect Bar Peanut Butter is fat-leaning, with about 49% of macro calories from fat. Each serving has 340 calories, 17g protein, 27g carbs, and 19g fat, making it a lighter restaurant option to compare with larger meals.

1 Piece (71g)

Serving Size

71 g

Serving Weight

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340

Calories

Per serving

17 g

Protein

27 g

Carbs

19 g

Fat

Nutrition Facts

Amount per serving

Calories340 kcal

% Daily Value*

Total Fat 19 g24%

Saturated Fat 3 g15%

Trans Fat 0 g—

Cholesterol 15 mg5%

Sodium 50 mg2%

Total Carbohydrate 27 g10%

Dietary Fiber 3 g11%

Total Sugars 19 g—

Protein 17 g34%

Vitamin A—

Vitamin C—

Vitamin D—

Calcium—

Iron—

Potassium—

Caffeine—

* The % Daily Value tells you how much a nutrient in a serving contributes to a daily diet.

Nutrition Breakdown

340

kcal

Protein17 g (20%)

Carbs27 g (31%)

Fat19 g (49%)

Estimated calorie contribution using 4 kcal/g for protein and carbohydrates and 9 kcal/g for fat.

Meal Planning Insights

Protein density5/10

20% of macro calories come from protein.

Satiety index10/10

Estimated from protein, fiber, calories, and fat balance.

Activity estimate85 min walk

About 34 minutes of running for these calories.

Key Nutrients

Protein 17 g34%

Fiber 3 g11%

Sodium 50 mg2%

Sugars 19 g—

Saturated Fat 3 g15%

How we calculate these values

Diet Compatibility

High protein5/10 protein density from 17g protein and 340 calories.Yes

Lower carb27g carbs per serving.No

Low fat19g total fat per serving.No

High sugar19g total sugars per serving.No

High sodium50mg sodium per serving.No

Vegetarian source flagNo vegetarian flag is published for this item.Not flagged

Similar Items in Snacks

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All In Madagascar Vanilla, Honey & Almonds Bar170 kcal · 4 g protein

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Select up to 3 items to compare calories, protein, sodium, and macros.

Quick comparisons

Perfect Bar Peanut Butter has 80 more calories than 2% Milk, Grande and the same amount of protein. Compare

Perfect Bar Peanut Butter has 140 more calories than 2% Milk, Tall and 4g more protein. Compare

2% Milk, Grande260 kcal · 17 g protein2% Milk, Tall200 kcal · 13 g protein2% Milk, Venti370 kcal · 24 g proteinAll In Madagascar Vanilla, Honey & Almonds Bar170 kcal · 4 g proteinAlmond Milk, Grande130 kcal · 3 g proteinAlmond Milk, Tall100 kcal · 2 g protein

Compare with 2% Milk, Grande

Perfect Bar Peanut Butter Compared With Nearby Items

Compared with All In Madagascar Vanilla, Honey & Almonds Bar, another Snacks item at Starbucks, Perfect Bar Peanut Butter has 170 more calories than it and 13g more protein than it. That makes this page useful for deciding between nearby menu choices, not just reading a raw nutrition label.

Data Source and Methodology

Nutrition values for Perfect Bar Peanut Butter are maintained in Nutrimetry from restaurant-published menu data and were last checked on Aug 9, 2026. Macro percentages use 4 calories per gram for protein and carbohydrates and 9 calories per gram for fat.

Read the data methodology

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