Buttermilk leads 5–3 · 8 categories decided · 2 ties
Each value is per 100 g edible portion.
The verdict
Buttermilk comes out ahead, winning 5 of 8 nutrient match-ups.
Pick Buttermilk for more protein, less saturated fat, more potassium, more iron and more vitamin C.
Pick Cow's milk, 2% for less sugar, less sodium and more calcium.
Evenly matched on fiber and magnesium.
Head-to-head
- Energy40 kcal50 kcal
- Proteinmore is betterWIN3.31 g3.3 g
- Carbohydrate4.79 g4.8 g
- Fibermore is better0 g0 g
- Total sugarsless is better5.36 g5.06 gWIN
- Total fat1.07 g1.98 g
- Saturated fatless is betterWIN0.66 g1.26 g
- Sodiumless is better148 mg47 mgWIN
- Potassiummore is betterWIN151 mg140 mg
- Calciummore is better116 mg120 mgWIN
- Ironmore is betterWIN0.05 mg0.02 mg
- Magnesiummore is better11 mg11 mg
- Vitamin Cmore is betterWIN1 mg0.2 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.

