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Parmesan Reggiano

Common questions

Is Parmesan Reggiano healthy?

Parmesan Reggiano scores 85/100 on Scout's independent analysis of ingredients, additives, and lab results — one of the stronger scores in Scout's catalog. Parmesan Reggiano is a traditional cheese made with part-skimmed cow's milk, cheese cultures, salt, and rennet, which are all high-quality ingredients.

How processed is Parmesan Reggiano?

Parmesan Reggiano is NOVA Group 3: Processed Foods.

Which ingredients drive Parmesan Reggiano's score?

In Scout's ingredient-by-ingredient analysis, Part-Skimmed Cow's Milk, Cheese Cultures, Rennet 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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Parmesan Reggiano

Kirkland Signature
85 Excellent

Analysis updated September 2026 · How Scout scores

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Near you

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

At a glance

Beneficial ingredients 3
Harmful ingredients 0
Owned by Costco
Category Cheese
Summary

Parmesan Reggiano is a traditional cheese made with part-skimmed cow's milk, cheese cultures, salt, and rennet, which are all high-quality ingredients. The cheese is processed but maintains a clean label with no artificial additives or harmful substances, contributing to its high score. Its rich protein content and beneficial bacteria from cheese cultures further enhance its nutritional profile.

Key ingredients 4

Part-Skimmed Cow's Milk
Good

Part-skimmed cow's milk is a primary ingredient in cheese, providing essential nutrients like calcium and protein. It is less processed than many other dairy ingredients, retaining more natural nutrients. The use of cow's milk in traditional cheese-making supports a rich flavor profile.

Risks

Potential risks include lactose intolerance or dairy allergies for some individuals.

Benefits

Rich in calcium and protein, supporting bone health and muscle maintenance.

Cheese Cultures
Good

Cheese cultures are beneficial bacteria used in the fermentation process of cheese-making. They enhance the flavor and texture of the cheese while contributing to its probiotic content. The use of traditional cheese cultures supports gut health and digestion.

Benefits

Contributes to the development of probiotics, which can support digestive health.

See more about Cheese Cultures →
Rennet
Good

Beneficial ingredient — whole-food or functional value in this product class.

Benefits

Essential for the cheese-making process, contributing to the texture and flavor of the final product.

See more about Rennet →
Salt
Neutral

Salt is used in cheese-making to enhance flavor and act as a preservative. It is a common ingredient in many foods, providing essential sodium. However, excessive consumption of salt can lead to health issues such as high blood pressure.

Risks

High sodium intake can contribute to hypertension and cardiovascular issues.

Benefits

Provides essential sodium needed for various bodily functions.

See more about Salt →

Processing

Group 3 · Processed

Processed Foods

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