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Mayonnaise leads 4–3 · 7 categories decided · 3 ties

Both foods compared at 100 kcal.

The verdict

Mayonnaise comes out ahead, winning 4 of 7 nutrient match-ups.

Pick Mayonnaise for more protein, less saturated fat, less sodium and more iron.

Pick Butter, whipped for less sugar, more potassium and more calcium.

Evenly matched on fiber, magnesium and vitamin C.

Head-to-head

  • Energy
    100 kcal
    100 kcal
  • Proteinmore is better
    WIN0.15 g
    0.07 g
  • Carbohydrate
    0.38 g
    0 g
  • Fibermore is better
    0 g
    0 g
  • Total sugarsless is better
    0.07 g
    0.01 gWIN
  • Total fat
    11.07 g
    10.71 g
  • Saturated fatless is better
    WIN1.2 g
    6.21 g
  • Sodiumless is better
    WIN79.22 mg
    79.75 mg
  • Potassiummore is better
    4.74 mg
    5.61 mgWIN
  • Calciummore is better
    2.51 mg
    3.15 mgWIN
  • Ironmore is better
    WIN0.07 mg
    0.01 mg
  • Magnesiummore is better
    0.14 mg
    0.14 mg
  • Vitamin Cmore is better
    0 mg
    0 mg
  • Vitamin Dmore is better

Winners are decided by deterministic per-metric rules on the stated basis; ties and missing data don’t score (missing ≠ zero). Educational information only — not medical advice.

Mayonnaise vs Butter, whipped · Foodatron