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Kirkland signature Organic peanut butter

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Common questions

Is Kirkland signature Organic peanut butter healthy?

Kirkland signature Organic peanut butter scores 85/100 on Scout's independent analysis of ingredients, additives, and lab results — one of the stronger scores in Scout's catalog. This peanut butter is made from dry roasted organic peanuts and sea salt, both of which are high-quality ingredients.

How processed is Kirkland signature Organic peanut butter?

Kirkland signature Organic peanut butter is NOVA Group 3: Processed Foods.

Which ingredients drive Kirkland signature Organic peanut butter's score?

In Scout's ingredient-by-ingredient analysis, Dry Roasted Organic Peanuts, Sea Salt count in its favor. The full breakdown, with why each one matters, is in the Key ingredients section on this page.

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Kirkland signature Organic peanut butter

Kirkland Signature
85 Excellent

Analysis updated September 2026 · How Scout scores

$27.99 · 28 oz · 2 pack · $14.00 / ounce
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Near you

Kirkland Signature is carried at Costco stores. Find one within 25 miles.

At a glance

Beneficial ingredients 2
Harmful ingredients 0
Owned by Costco
Category Nuts
Summary

This peanut butter is made from dry roasted organic peanuts and sea salt, both of which are high-quality ingredients. The organic certification ensures minimal pesticide exposure, and the absence of added oils or preservatives maintains the product's nutritional integrity. Despite being processed, the clean ingredient list and minimal additives contribute positively to its health score.

Key ingredients 2

Dry Roasted Organic Peanuts
Good

Organic peanuts are a high-quality source of protein and healthy fats. Being dry roasted, they retain most of their natural nutrients without added oils or preservatives. The organic certification ensures minimal pesticide exposure and better environmental practices.

Risks

Peanuts can be a common allergen and may cause severe allergic reactions in sensitive individuals.

Benefits

Rich in protein, fiber, and healthy monounsaturated fats, which support heart health and provide sustained energy.

See more about Dry Roasted Organic Peanuts →
Sea Salt
Good

Sea salt is a minimally processed source of sodium and trace minerals. It is often preferred over refined table salt due to its natural mineral content. The use of sea salt in moderation can enhance flavor without excessive sodium intake.

Risks

Excessive consumption of salt can lead to high blood pressure and related health issues.

Benefits

Provides essential sodium and trace minerals that are important for maintaining electrolyte balance and proper muscle function.

See more about Sea Salt →

Processing

Group 3 · Processed

Processed Foods

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