Head-to-Head Analysis

Whey Protein vs Whey Protein Isolate

Wondering which one to pick? We analyzed the nutritional profile, ingredients, and vegan status to help you decide.

Package of Whey Protein

Whey Protein

Not Vegan
VS
Top Pick
Package of Whey Protein Isolate

Whey Protein Isolate

Not Vegan
Nutritional Facts (per 100g)
406 kcal
Energy
348 kcal
3.1g
Sugars
0g
6.3g
Fat
5.2g
75g
Protein
69.7g
0.5g
Salt
1.3g

The Verdict: Which is Better?

When placing Whey Protein and Whey Protein Isolate side-by-side, the nutritional differences become quite clear. Both products cater to specific dietary needs, but picking the right one depends on whether you are prioritizing weight loss, muscle gain, or clean eating.

Whey Protein is the more energy-dense option here, packing 58 more calories per 100g than Whey Protein Isolate. If you are looking for sustained energy or fueling a workout, this higher caloric density might be an advantage.

However, watch out for the sugar content. Whey Protein contains significantly more sugar (3.12g) compared to the milder Whey Protein Isolate (0g). If you are monitoring your insulin levels or trying to cut down on sweets, Whey Protein Isolate is undeniably the healthier pick.

Looking to build muscle? Whey Protein offers a protein boost with 75g per 100g, outperforming Whey Protein Isolate in this category.

Frequently Asked Questions

Which is healthier: Whey Protein or Whey Protein Isolate?

It depends on your goals. Whey Protein has 406 calories, while Whey Protein Isolate has 348 calories. Check the detailed table above for sugar and fat content.

Is Whey Protein vegan?

No, Whey Protein is not certified vegan.

What is the calorie difference between Whey Protein and Whey Protein Isolate?

There is a difference of 58 calories per 100g between the two products.

Data source: Open Food Facts. Comparisons are generated automatically based on nutritional values per 100g.