NOW Sports

Whey Protein Isolate

whey isolate Stevia Informed Sport
Platinum tier Complete
Protein / serving
25g
100 kcal · 27g scoop
Leucine
2.7g
✓ Clears 2.5g MPS trigger
Density
100%
25g per 100 cal

What this means

Elite efficiency — 40%+ of calories from protein. Lean meat, whey isolate, low-fat dairy. 100% density puts this in the Platinum tier.

Complete protein, high leucine, DIAAS > 1 — the muscle-protein reference.

vs Naked Whey (whey reference)

Metric Whey Protein Isolate Naked Whey (reference) Δ
Protein / serving 25g 25g 0g
Leucine 2.7g 2.6g +0.1g
Density 100% 83.3% +16.7%
MPS trigger at 1 scoop? Yes Yes

Notes

Informed Sport certified. One of the budget-friendly isolates with a clean macro profile (25g protein, 100 kcal — very Platinum tier).

Where to buy

Manufacturer page →

Run protein-per-dollar with your actual price to see cost-efficiency.

More whey isolate powders to compare

Last verified 2026-05-24.

Rank 2 of 25 by leucine per 25 g protein

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