Whey protein powder leads 6–3 · 9 categories decided · 1 tie
Both foods compared at 100 kcal.
The verdict
Whey protein powder comes out ahead, winning 6 of 9 nutrient match-ups.
Pick Buttermilk for more protein, less sugar and more vitamin C.
Pick Whey protein powder for less saturated fat, less sodium, more potassium, more calcium, more iron and more magnesium.
Evenly matched on fiber.
Head-to-head
- Energy100 kcal100 kcal
- Proteinmore is betterWIN8.28 g3.46 g
- Carbohydrate11.98 g21.67 g
- Fibermore is better0 g0 g
- Total sugarsless is betterWIN13.4 g21.67 g
- Total fat2.68 g0.16 g
- Saturated fatless is better1.65 g0.1 gWIN
- Sodiumless is better370 mg285.55 mgWIN
- Potassiummore is better377.5 mg675.22 mgWIN
- Calciummore is better290 mg605.9 mgWIN
- Ironmore is better0.13 mg0.37 mgWIN
- Magnesiummore is better27.5 mg58.7 mgWIN
- Vitamin Cmore is betterWIN2.5 mg0.27 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.

