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Starbucks US Perfect Bar Peanut Butter: calories and sugar by portion, age and sex

Starbucks US Perfect Bar Peanut Butter, unwrapped soft peanut butter bar, nutrition and calories

Boone’s analysis puts Starbucks US Perfect Bar Peanut Butter at 17% of an adult’s daily calories, 4.8 teaspoons of added sugar and 50mg of sodium.

How many calories are in a Starbucks US Perfect Bar Peanut Butter? It contains 340 calories, 19g of fat (3g saturated), an estimated 19g of added sugar and 50mg of sodium.

Build a full order with our nutrition calculator

Use the Boone meal calculator to see this item alongside the rest of your order rather than on its own. Choose your age and sex, and switch between US and UK guidance, for a more accurate view of how a Perfect Bar Peanut Butter fits into a day.

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Nutrition information

Nutrition information: Starbucks US Perfect Bar Peanut Butter

Serving size71g
Calories340
Total fat19g
of which saturated3g
Trans fat0g
Carbohydrate27g
Total sugars19g
Includes added sugars (Boone estimate)19g
Fibre3g
Protein17g
Sodium50mg

Nutrition figures are Starbucks US published data for one standard serving as sold. Starbucks publishes total sugar only, so added sugar is a Boone estimate. Boone converts the figures to the portion and age comparisons on this page.

Starbucks US Perfect Bar Peanut Butter contains 340 calories, which is 17% of the 2,000-calorie Daily Value used on US food labels. It provides 19g of total fat, of which 3g is saturated, 19g of total sugars (an estimated 19g added), 50mg of sodium, 17g of protein and 3g of fibre.

The saturated fat content of 3g represents 15% of the 20g Daily Value.

The ingredient list for Starbucks US Perfect Bar Peanut Butter names protein isolates. None of these add nutritional value. They exist to make food survive industrial production, storage and transport.

Starbucks US Perfect Bar Peanut Butter is over the US per-meal added sugar limit

Starbucks US Perfect Bar Peanut Butter contains an estimated 19g of added sugar, 1.9 times the 10g per-meal limit in the Dietary Guidelines for Americans. The same guidelines recommend no added sugar at all for children aged 10 and under.

FDA Daily Values (2,000-calorie diet)

Calories2,000
Total fat78g
Saturated fat20g
Carbohydrate275g
Added sugars50g
Fibre28g
Sodium2,300mg
Protein50g

Added sugar vs total sugar

Where the sugar comes from: Starbucks US Perfect Bar Peanut Butter

An estimated 19g of the 19g counts as added sugar, or about 4.8 teaspoons. None of it is naturally occurring.

Added sugars come from

  • honey

Dietary Guidelines for Americans, 2025–2030: no more than 10g of added sugar per meal from age 11 and none for children aged 10 and under. FDA Daily Value: 50g a day. Starbucks publishes total sugar only. Boone counts sugars, syrups, honey, malt and juice concentrates in the ingredient list as added, and the sugars in milk, cheese, whole fruit, 100% juice and vegetables as naturally occurring.

Ultra-processed food: what is really in it

Processing and additives: Starbucks US Perfect Bar Peanut Butter

Reading the ingredient list closely, it contains protein isolates. These are not there to add nutritional value. They make industrial production and distribution possible.

Protein isolates

Concentrated proteins extracted industrially to raise the protein count or build texture.

Boone classifies Starbucks US Perfect Bar Peanut Butter as NOVA group 4, ultra-processed, based on the additives named above. NOVA groups foods by how far they are from their whole-food form, not by how nutritious they are. A group 4 food is not automatically unhealthy, and a group 1 food is not automatically healthy. Read from the published ingredient list, October 2026.

Starbucks US Perfect Bar Peanut Butter contains at least 23 distinct ingredients: 22 raw and 1 manufactured. Raw means something you could buy and cook with at home; manufactured means a substance that only exists as an output of industrial processing.

Ingredient count: Starbucks US Perfect Bar Peanut Butter

What you orderRawManufacturedTotal% manufactured
Starbucks US Perfect Bar Peanut Butter on its own221234%

The 1 manufactured ingredients

rice protein.

The 22 raw ingredients

alfalfa, apple, carrot, celery, dried whole egg powder, dulse, flax seed, flax seed oil, honey, kale, kelp, lemon, nonfat dry milk, olive oil, orange, papaya, peanut butter, pumpkin seed oil, rose hip, sesame seed oil, spinach, tomato.

What those ingredients are, by type

Fruit, vegetables, nuts and seeds11
Herbs and spices4
Oils and fats4
Meat, fish, dairy and eggs2
Sugars and syrups1
Protein isolates1

Boone counts every distinct named ingredient on Starbucks’ published ingredient list, including sub-ingredients, and removes duplicates, so salt appearing in three components counts once. Raw covers whole foods and basic kitchen staples such as flour, milk, sugar, salt and oil. Manufactured covers substances that only exist as an output of industrial processing. Every figure here is a minimum.

Ingredients

Starbucks US Perfect Bar Peanut Butter has 23 distinct ingredients in its published list.

Ingredients by component: Starbucks US Perfect Bar Peanut Butter

Ingredients

Peanut Butter, Honey, Nonfat Dry Milk, Dried Whole Egg Powder, Rice Protein, Dried Whole Food Powders (Kale, Flax Seed, Rose Hip, Orange, Lemon, Papaya, Tomato, Apple, Alfalfa, Celery, Kelp, Dulse, Carrot, Spinach), Flax Seed Oil, Sesame Seed Oil, Olive Oil, Pumpkin Seed Oil.

Ingredients taken from the Starbucks US menu at starbucks.com, retrieved October 2026, for the standard recipe. Recipes change, so always check in store before ordering if you have an allergy.

Allergens at a glance

Starbucks US Perfect Bar Peanut Butter contains milk, eggs, peanuts, sesame and celery.

Allergen information: Starbucks US Perfect Bar Peanut Butter

AllergenStatus
MilkContains
EggsContains
FishNot declared
Crustacean shellfishNot declared
Tree nutsNot declared
PeanutsContains
WheatNot declared
SoybeansNot declared
SesameContains
Celery (UK declarable)Contains

Contains = declared in the Starbucks US allergen statement for this item or named in its ingredient list. Starbucks stores handle and warm food on shared equipment, so no item can be guaranteed allergen free. UK rules also require barley, oats, mustard, celery and sulphites to be declared; these are shown where the ingredient list or allergen statement names them. Retrieved October 2026.

Frequently asked questions

How many calories are in a Starbucks US Perfect Bar Peanut Butter?+

Boone calculates that Starbucks US Perfect Bar Peanut Butter contains 340 calories, which is 17% of the 2,000-calorie Daily Value and 23% of the daily needs of a moderately active child aged 4 to 8.

How much added sugar is in a Starbucks US Perfect Bar Peanut Butter?+

Boone estimates that Starbucks US Perfect Bar Peanut Butter contains 19g of added sugar, about 4.8 teaspoons, which is 38% of the 50g FDA Daily Value. Starbucks publishes 19g of total sugar.

Is Starbucks US Perfect Bar Peanut Butter within US sugar guidance for children?+

The Dietary Guidelines for Americans, 2025–2030 recommend no added sugar for children aged 10 and under and no more than 10g per meal from age 11. With an estimated 19g of added sugar, Starbucks US Perfect Bar Peanut Butter is over both.

How much saturated fat is in a Starbucks US Perfect Bar Peanut Butter?+

Starbucks US Perfect Bar Peanut Butter contains 3g of saturated fat. Boone calculates this as 15% of the 20g Daily Value and 18% of the 17g limit for a child aged 4 to 8.

Is Starbucks US Perfect Bar Peanut Butter ultra-processed?+

Boone classifies Starbucks US Perfect Bar Peanut Butter as NOVA group 4. Reading the published ingredient list, it contains protein isolates. NOVA group 4 describes how far a food is from its whole-food form, not how nutritious it is.

Is Starbucks US Perfect Bar Peanut Butter suitable for children?+

Boone’s analysis flags that its estimated 19g of added sugar is above the Dietary Guidelines advice of no added sugar for children aged 10 and under. That does not make it off limits, but it does mean a Perfect Bar Peanut Butter uses up a large share of a young child’s day in one item.

How much protein is in a Starbucks US Perfect Bar Peanut Butter?+

Starbucks US Perfect Bar Peanut Butter contains 17g of protein, which Boone calculates as 34% of the 50g Daily Value.

How much sodium is in a Starbucks US Perfect Bar Peanut Butter?+

Starbucks US Perfect Bar Peanut Butter contains 50mg of sodium. Boone calculates that as 3% of the daily limit for a child aged 4 to 8 and 2% of the 2,300mg adult limit.

What allergens are in a Starbucks US Perfect Bar Peanut Butter?+

Starbucks US Perfect Bar Peanut Butter contains milk, eggs, peanuts, sesame and celery, according to Starbucks US published information. Food is handled on shared equipment, so always check in store if you have an allergy.