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Comparison · Dairy & Fats

Butter vs Margarine

The classic debate takes on new meaning through a processing lens. Looking at butter nutrition facts, butter is one of the simplest foods (cream + salt) with just 2 ingredients. Margarine requires industrial hydrogenation or interesterification to solidify liquid vegetable oils into a spreadable form.

Subject A

Butter

24 products →
3.9
L2 · Processed
Avg processing score
Nutrition1.3/10
75% · 0% · 21% · 4%L1→L4
Difference5.1 pts
Subject B

Margarine

104 products →
9.0
L4 · Ultra-Proc.
Avg processing score
Nutrition2.1/10
0% · 0% · 20% · 80%L1→L4
The verdictButter is less processed

Butter scores lower in our analysis.

Butter averages 3.9 (Level 2) across 24 products; Margarine averages 9.0 (Level 4) across 104.

Butter · 3.9Margarine · 9.0
L1 · MinL2 · ProcL3 · HighL4 · Ultra
Scale: 0 → 15+ (uncapped)5.1 point gap

Written by UPFL Editorial Team

Editorial standards

Quick answer

Butter (Level 1, 2 ingredients) is dramatically less processed than margarine (Level 3-4, 10-15 ingredients). Real butter brands like Kerrygold, Land O'Lakes, and Challenge typically contain only cream and salt, while margarine labels list 10 or more industrial ingredients. The processing gap here is among the largest in any common food comparison.

Worth knowing

Processing levels can vary significantly between brands and specific products within each category. Always check the ingredient list of the specific product you are considering. Use our product search to look up exact processing scores. These comparisons evaluate processing level and ingredient composition only. They do not account for taste, price, convenience, cultural significance, or individual dietary needs.

How do they compare by the numbers?

Avg Processing Score
Butter
3.9
Processed
Margarine
9.0
Ultra-Proc.
Dominant Level
Butter
L2 · Processed
Margarine
L4 · Ultra-Proc.
Avg Nutrition Score
Butter
1.3
of 10
Margarine
2.1
of 10
Avg Ingredient Count
Butter
8.1
Margarine
15.4
Products in Database
Butter
24
Margarine
104
Level Distribution
Butter
75%0%21%4%
Margarine
0%0%20%80%

Sample products from each

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A product in Ketzal with a Processing Score and a Nutrition Score

Frequently asked questions

Is butter really less processed than margarine?

Yes, significantly. Butter requires one process: churning cream. Margarine requires extracting oil from seeds, refining it, hydrogenating or interesterifying it (chemical processes to solidify it), adding emulsifiers, coloring with beta-carotene, and adding artificial butter flavoring.

Is margarine less processed than butter?

The health question is separate from the processing question. Modern margarine avoids trans fats but uses industrial processes to achieve its texture. Butter is minimally processed but high in saturated fat. The processing difference is clear: butter is Level 1, margarine is Level 3-4.

How many carbs are in butter?

Butter nutrition facts show essentially zero carbs in butter (less than 0.1g per tablespoon). It is almost entirely fat (about 11g per tablespoon) with a small amount of protein. Margarine also has minimal carbs, so the difference between them is not about carbohydrates but about the type of fat and the level of industrial processing involved.

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