Whey and whey isolate comparison
Optimum Nutrition Gold Standard 100% Whey vs Dymatize Elite 100% Whey
ON Gold Standard Whey scores higher on our standard, 78/100 to 70/100. It earns more points for protein density (77% vs 69% protein by weight). We could not verify a current price for Dymatize Elite Whey, so we can't compare cost.
Both are scored out of 100 against our published standard: protein density, third-party testing, label transparency, sugar, ingredient simplicity and verified label data. Every number below is from the manufacturer's label; last checked 2026-10-13.
Optimum Nutrition
Gold Standard 100% Whey
Side by side
Per serving, from each label. Bold marks the better score, protein density, sugar and cost where the two differ. How we score
| Compared | ON Gold Standard Whey | Dymatize Elite Whey |
|---|---|---|
| Our score | 78/100 (better) | 70/100 |
| Protein density | 22 / 30 (better)77% of each scoop is protein | 14 / 3069% of each scoop is protein |
| Third-party testing | 15 / 25Independently tested for contaminants or label accuracy | 15 / 25Independently tested for contaminants or label accuracy |
| Label transparency | 20 / 20Fully disclosed formula, no amino spiking | 20 / 20Fully disclosed formula, no amino spiking |
| Sugar | 10 / 101 g sugar per serving | 10 / 102 g sugar per serving |
| Ingredient simplicity | 6 / 10Mix of natural and artificial flavors or sweeteners | 6 / 10Mix of natural and artificial flavors or sweeteners |
| Verified label data | 5 / 57 of 7 label values verified | 5 / 57 of 7 label values verified |
| Type | Whey Blend | Whey Blend |
| Protein per serving | 24 g | 25 g |
| Serving size | 31g (About 1 Scoop) | 1 scoop (36 g) |
| Protein by weight | 77% (better) | 69% |
| Sugar | 1 g (better) | 2 g |
| Calories | 120 | 140 |
| Cost per 25 g protein | $1.86 | Not verified |
| Price per serving | $1.78 | Not verified |
| Third-party certifications | Informed Choice | Informed Choice |
| Sweeteners | Acesulfame Potassium | Sucralose, Acesulfame Potassium |
| Allergens | Milk, Soy | Milk, Soy |
| Proprietary blend | No | No |
| Added free amino acids (amino spiking) | No | No |
| Last checked | 2026-10-13 | 2026-10-13 |
Which to choose
Only the differences in our records. A value we couldn't verify never counts as a difference.
Choose ON Gold Standard Whey if…
- You want more of each scoop to be protein (77% vs 69% by weight).
- You want less sugar (1 g vs 2 g per serving).
- You want fewer calories per serving (120 vs 140).
- You want more flavors to choose from (22 vs 3).
Choose Dymatize Elite Whey if…
On the label facts we track, Dymatize Elite Whey has no clear edge over ON Gold Standard Whey. Taste, how it mixes and the price where you shop may still decide it.
The two powders
Good to know
Labels and prices change, so check the package before buying, especially if you have allergies. If you are pregnant, nursing, buying for a child or managing a health condition, ask your doctor before adding a supplement.