Head-to-Head Analysis

Whey Protein Isolate vs 100% Grass-Fed Whey Protein

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

Package of Whey Protein Isolate

Whey Protein Isolate

Not Vegan
VS
Top Pick
Package of 100% Grass-Fed Whey Protein

100% Grass-Fed Whey Protein

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

The Verdict: Which is Better?

When placing Whey Protein Isolate and 100% Grass-Fed Whey Protein 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 Isolate is the more energy-dense option here, packing 348 more calories per 100g than 100% Grass-Fed Whey Protein. If you are looking for sustained energy or fueling a workout, this higher caloric density might be an advantage.

Looking to build muscle? Whey Protein Isolate offers a protein boost with 69.7g per 100g, outperforming 100% Grass-Fed Whey Protein in this category.

Frequently Asked Questions

Which is healthier: Whey Protein Isolate or 100% Grass-Fed Whey Protein?

It depends on your goals. Whey Protein Isolate has 348 calories, while 100% Grass-Fed Whey Protein has 0 calories. Check the detailed table above for sugar and fat content.

Is Whey Protein Isolate vegan?

No, Whey Protein Isolate is not certified vegan.

What is the calorie difference between Whey Protein Isolate and 100% Grass-Fed Whey Protein?

There is a difference of 348 calories per 100g between the two products.

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