Whey Protein Isolate (WPI)
90.0gprotein / 100g370 cal · 1.0g fat · $$$ · Quality 1.0
Turkey Breast (roasted)
29.0gprotein / 100g135 cal · 1.0g fat · $ · Quality 0.93
Whey Protein Isolate (WPI) is in a different weight class here, protein-wise: 90.0g per 100g vs Turkey Breast (roasted)'s 29.0g, a 61.0g difference that's more about food category than food quality.
Whey Protein Isolate (WPI) also carries the stronger amino acid profile (highest DIAAS of any common protein source), while Turkey Breast (roasted) is high-DIAAS complete animal protein.
On price, Turkey Breast (roasted) wins clearly — $ against Whey Protein Isolate (WPI)'s $$$.
For anyone avoiding dairy specifically, Turkey Breast (roasted) is the clear pick over Whey Protein Isolate (WPI).
Whey Protein Isolate (WPI)'s typical serving also delivers more leucine (2700mg vs Turkey Breast (roasted)'s 2250mg) — 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 Turkey Breast (roasted) 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) | Turkey Breast (roasted) |
|---|---|---|
| Protein | 90.0g | 29.0g |
| Calories | 370 | 135 |
| Fat | 1.0g | 1.0g |
| Carbs | 1.5g | 0.0g |
| Fiber | 0.0g | 0.0g |
| Quality score | 1.0 | 0.93 |
| Relative cost | $$$ | $ |
| Prep time | 1 min | 60 min |
Frequently asked
Which has more protein, whey protein isolate (wpi) or turkey breast (roasted)?
Whey Protein Isolate (WPI) has 90.0g of protein per 100g compared to Turkey Breast (roasted)'s 29.0g.
Which is lower in calories?
Turkey Breast (roasted) is lower in calories per 100g, at 135 vs the other's 370.