Whey protein powder leads 6–3 · 9 categories decided · 1 tie
Buttermilk: 100 g · Whey protein powder: 100 g.
The verdict
Whey protein powder comes out ahead, winning 6 of 9 nutrient match-ups.
Pick Buttermilk for less sugar, less sodium and more vitamin C.
Pick Whey protein powder for more protein, less saturated fat, more potassium, more calcium, more iron and more magnesium.
Evenly matched on fiber.
Head-to-head
- Energy40 kcal339 kcal
- Proteinmore is better3.31 g11.73 gWIN
- Carbohydrate4.79 g73.45 g
- Fibermore is better0 g0 g
- Total sugarsless is betterWIN5.36 g73.45 g
- Total fat1.07 g0.54 g
- Saturated fatless is better0.66 g0.34 gWIN
- Sodiumless is betterWIN148 mg968 mg
- Potassiummore is better151 mg2289 mgWIN
- Calciummore is better116 mg2054 mgWIN
- Ironmore is better0.05 mg1.24 mgWIN
- Magnesiummore is better11 mg199 mgWIN
- Vitamin Cmore is betterWIN1 mg0.9 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.

