Dymatize ISO100 Hydrolyzed Whey Protein Isolate vs Isopure Zero Carb 100% Whey Isolate Unflavored
Dymatize ISO100 Hydrolyzed Whey Protein Isolate (#3, best value) vs Isopure Zero Carb 100% Whey Isolate Unflavored (#4): in our Whey Protein Powders scoring the Dymatize ISO100 Hydrolyzed Whey Protein Isolate totals 7.4/10 and the Isopure Zero Carb 100% Whey Isolate Unflavored 7.2/10.
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TopsFive comparison scores
Side by side
| Dymatize ISO100 Hydrolyzed Whey Protein Isolate | Isopure Zero Carb 100% Whey Isolate Unflavored | |
|---|---|---|
| Price | — | — |
| Protein | 25g per scoop | 25g per scoop |
| Calories | 110 | — |
| Type | Hydrolyzed whey isolate | Ion exchange + microfiltered whey isolate |
| Servings | 71 | 47 |
| BCAAs | 5.5g (2.7g leucine) | — |
| Carbs | — | 0g |
| Additives | — | Minimal |
How they differ in real use
Built from our whey protein scoring, each product's published specifications, and verified owner feedback — not hands-on testing.
Both the Dymatize ISO100 Hydrolyzed Whey Protein Isolate and the Isopure Zero Carb 100% Whey Isolate Unflavored made our Top 5 Whey Protein Powders, at #3 (best value) and #4. Best protein-per-dollar (~26.15 g/$) with hydrolyzed whey isolate for rapid absorption. 5.5g BCAAs including 2.7g leucine per serving and 4.5 stars from 37,000+ ratings—but no third-party certification visible on Amazon. Ultra-clean ion exchange + microfiltered whey isolate with essentially just whey as the ingredient. 4.4 stars from 36,500+ ratings and good value (~23.04 g/$), but no third-party certification on Amazon.
We score whey protein powders on Protein Quality (35%), Third-Party Testing (25%), Taste & Mixability (20%), Ingredient Quality (10%) and Value (10%). On that basis the Dymatize ISO100 Hydrolyzed Whey Protein Isolate totals 7.4 out of 10 and the Isopure Zero Carb 100% Whey Isolate Unflavored 7.2. The widest gap is Ingredient Quality, where the Isopure Zero Carb 100% Whey Isolate Unflavored scores 10 against 6 for the Dymatize ISO100 Hydrolyzed Whey Protein Isolate — clean label. Protein Quality also separates them: 10 for the Dymatize ISO100 Hydrolyzed Whey Protein Isolate versus 9 for the Isopure Zero Carb 100% Whey Isolate Unflavored.
On paper, the specifications that actually differ: Type — Hydrolyzed whey isolate on the Dymatize ISO100 Hydrolyzed Whey Protein Isolate versus Ion exchange + microfiltered whey isolate on the Isopure Zero Carb 100% Whey Isolate Unflavored; Servings — 71 on the Dymatize ISO100 Hydrolyzed Whey Protein Isolate versus 47 on the Isopure Zero Carb 100% Whey Isolate Unflavored. They match on Protein.
Check current pricing at the merchant links below. Owners praise the Dymatize ISO100 Hydrolyzed Whey Protein Isolate for best protein-per-dollar in the group and hydrolyzed for fast absorption; the most common complaint is no NSF/third-party certification on Amazon page. Owners praise the Isopure Zero Carb 100% Whey Isolate Unflavored for ultra-clean ingredient list (just whey isolate) and ion exchange + microfiltered; the most common complaint is no third-party certification on Amazon page.
Dymatize ISO100 Hydrolyzed Whey Protein Isolate
- Best protein-per-dollar in the group
- Hydrolyzed for fast absorption
- 5.5g BCAAs / 2.7g leucine per serving
- 4.5 stars (37,000+ ratings)
- No NSF/third-party certification on Amazon page
- Contains sucralose and soy lecithin
- Artificial flavors
Isopure Zero Carb 100% Whey Isolate Unflavored
- Ultra-clean ingredient list (just whey isolate)
- Ion exchange + microfiltered
- 25g protein per serving
- 4.4 stars (36,500+ ratings)
- No third-party certification on Amazon page
- Unflavored only in this SKU
- 47 servings per container
Which should you buy?
The Dymatize ISO100 Hydrolyzed Whey Protein Isolate is the better fit for value seekers wanting isolate quality and post-workout recovery — it is the higher-scoring pick here, chiefly for Protein Quality and Taste & Mixability. The Isopure Zero Carb 100% Whey Isolate Unflavored is the better fit for clean-label isolate seekers and zero-carb diet, and the stronger choice if Ingredient Quality matters more to you than the overall score. The Dymatize ISO100 Hydrolyzed Whey Protein Isolate is a poor fit for those requiring third-party certification; the Isopure Zero Carb 100% Whey Isolate Unflavored is a poor fit for those requiring NSF certification.
Choose the Dymatize ISO100 Hydrolyzed Whey Protein Isolate if
- Value seekers wanting isolate quality
- Post-workout recovery
- Lactose-sensitive users
Skip it if
- Those requiring third-party certification
- Artificial sweetener avoiders
Choose the Isopure Zero Carb 100% Whey Isolate Unflavored if
- Clean-label isolate seekers
- Zero-carb diet
- Those wanting unflavored versatility
Skip it if
- Those requiring NSF certification
- Flavor preference
Common questions
Is the Dymatize ISO100 Hydrolyzed Whey Protein Isolate better than the Isopure Zero Carb 100% Whey Isolate Unflavored?
In our Whey Protein Powders ranking the Dymatize ISO100 Hydrolyzed Whey Protein Isolate scores higher overall, 7.4 to 7.2, with the biggest advantage in Ingredient Quality. The Isopure Zero Carb 100% Whey Isolate Unflavored is stronger on Ingredient Quality, so it is the better pick if that matters most to you.
What is the main difference between the Dymatize ISO100 Hydrolyzed Whey Protein Isolate and the Isopure Zero Carb 100% Whey Isolate Unflavored?
The headline spec difference is Type: Hydrolyzed whey isolate on the Dymatize ISO100 Hydrolyzed Whey Protein Isolate versus Ion exchange + microfiltered whey isolate on the Isopure Zero Carb 100% Whey Isolate Unflavored. In use, the gap that matters most is Ingredient Quality (6 vs 10 in our scoring): clean label.