Optimum Nutrition
Gold Standard 100% Whey
whey blend Acesulfame-K
Platinum tier
Complete
Protein / serving
24g
120 kcal · 31g scoop
Leucine
2.5g
✓ Clears 2.5g MPS trigger (estimated)
Density
80%
20g per 100 cal
What this means
Elite efficiency — 40%+ of calories from protein. Lean meat, whey isolate, low-fat dairy. 80% density puts this in the Platinum tier.
Complete protein, high leucine, DIAAS > 1 — the muscle-protein reference.
vs Naked Whey (whey reference)
| Metric | Gold Standard 100% Whey | Naked Whey (reference) | Δ |
|---|---|---|---|
| Protein / serving | 24g | 25g | -1g |
| Leucine | 2.5g | 2.6g | -0.1g |
| Density | 80% | 83.3% | -3.3% |
| MPS trigger at 1 scoop? | Yes | Yes |
Notes
The canonical whey reference. Blend of whey isolate (primary), concentrate, and hydrolyzed whey. Leucine 2.5 g is an estimate from the historical labeled aminogram; the current US panel states 5.5 g BCAA only.
Where to buy
Manufacturer page →Run protein-per-dollar with your actual price to see cost-efficiency.