Whey Protein Isolate (WPI)
90.0gprotein / 100g370 cal · 1.0g fat · $$$ · Quality 1.0
Cottage Cheese (low-fat)
11.1gprotein / 100g72 cal · 2.3g fat · $ · Quality 0.95
Whey Protein Isolate (WPI) is in a different weight class here, protein-wise: 90.0g per 100g vs Cottage Cheese (low-fat)'s 11.1g, a 78.9g difference that's more about food category than food quality.
Whey Protein Isolate (WPI) also carries the stronger amino acid profile (highest DIAAS of any common protein source), while Cottage Cheese (low-fat) is high biological value dairy protein, high in casein.
On price, Cottage Cheese (low-fat) wins clearly — $ against Whey Protein Isolate (WPI)'s $$$.
Whey Protein Isolate (WPI)'s typical serving also delivers more leucine (2700mg vs Cottage Cheese (low-fat)'s 1100mg) — relevant if the goal is maximizing the muscle-protein-synthesis trigger per meal, not just total grams.
If raw protein density is what you're optimizing for, Whey Protein Isolate (WPI) wins clearly. Choose Cottage Cheese (low-fat) instead if its lower fat, cost, or prep time matters more to you than the extra grams.
Full nutrition comparison
| Per 100g | Whey Protein Isolate (WPI) | Cottage Cheese (low-fat) |
|---|---|---|
| Protein | 90.0g | 11.1g |
| Calories | 370 | 72 |
| Fat | 1.0g | 2.3g |
| Carbs | 1.5g | 3.4g |
| Fiber | 0.0g | 0.0g |
| Quality score | 1.0 | 0.95 |
| Relative cost | $$$ | $ |
| Prep time | 1 min | 0 min |
Frequently asked
Which has more protein, whey protein isolate (wpi) or cottage cheese (low-fat)?
Whey Protein Isolate (WPI) has 90.0g of protein per 100g compared to Cottage Cheese (low-fat)'s 11.1g.
Which is lower in calories?
Cottage Cheese (low-fat) is lower in calories per 100g, at 72 vs the other's 370.