Whey Protein Isolate (WPI)
90.0gprotein / 100g370 cal · 1.0g fat · $$$ · Quality 1.0
Whole Egg (large)
12.6gprotein / 100g155 cal · 10.6g fat · $ · Quality 1.0
Whey Protein Isolate (WPI) is in a different weight class here, protein-wise: 90.0g per 100g vs Whole Egg (large)'s 12.6g, a 77.4g difference that's more about food category than food quality.
Protein quality is essentially matched between the two — both land in a similar tier for amino acid completeness.
On price, Whole Egg (large) wins clearly — $ against Whey Protein Isolate (WPI)'s $$$.
For anyone avoiding dairy specifically, Whole Egg (large) is the clear pick over Whey Protein Isolate (WPI).
Whey Protein Isolate (WPI)'s typical serving also delivers more leucine (2700mg vs Whole Egg (large)'s 560mg) — 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 Whole Egg (large) 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) | Whole Egg (large) |
|---|---|---|
| Protein | 90.0g | 12.6g |
| Calories | 370 | 155 |
| Fat | 1.0g | 10.6g |
| Carbs | 1.5g | 1.1g |
| Fiber | 0.0g | 0.0g |
| Quality score | 1.0 | 1.0 |
| Relative cost | $$$ | $ |
| Prep time | 1 min | 8 min |
Frequently asked
Which has more protein, whey protein isolate (wpi) or whole egg (large)?
Whey Protein Isolate (WPI) has 90.0g of protein per 100g compared to Whole Egg (large)'s 12.6g.
Which is lower in calories?
Whole Egg (large) is lower in calories per 100g, at 155 vs the other's 370.