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Parmigiano Reggiano

Common questions

Is Parmigiano Reggiano healthy?

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

How processed is Parmigiano Reggiano?

Parmigiano Reggiano is NOVA Group 3: Processed Foods.

Which ingredients drive Parmigiano Reggiano's score?

In Scout's ingredient-by-ingredient analysis, Part-skimmed cow's milk, 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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Parmigiano Reggiano

Kirkland Signature
85 Excellent

Analysis updated August 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 2
Harmful ingredients 0
Owned by Costco
Category Cheese
Summary

Parmigiano Reggiano is a traditional cheese made from part-skimmed cow's milk, cheese cultures, salt, and rennet, which are all simple and natural ingredients. Despite being classified as processed, it retains a high nutritional value with a good balance of protein and fat, and no harmful additives or artificial ingredients. Its clean ingredient list and traditional production method contribute to its high score within the processed cheese category.

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 compared to other dairy products and retains many of the natural benefits of milk. The use of part-skimmed milk helps in reducing the fat content while maintaining nutritional value.

Risks

Potential risks include lactose intolerance or milk allergies in sensitive individuals.

Benefits

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

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 structure of the cheese.

See more about Rennet →
Cheese cultures
Neutral

Cheese cultures are essential for the fermentation process, contributing to the flavor and texture of the cheese. They are naturally occurring bacteria that help in the development of cheese. The cultures used in traditional cheese-making are generally considered safe and beneficial for gut health.

Benefits

May support gut health by promoting beneficial bacteria.

See more about Cheese cultures →
Salt
Neutral

Salt is used in cheese-making for flavor and as a preservative. It is a common ingredient in many foods and is necessary for the cheese's texture and taste. While it is essential in moderation, excessive consumption can lead to health issues.

Risks

High sodium intake can contribute to hypertension and cardiovascular issues.

Benefits

Enhances flavor and acts as a preservative in cheese.

See more about Salt →

Processing

Group 3 · Processed

Processed Foods

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