NAKED Whey 5LB 100% Grass Fed Unflavored vs Dymatize ISO100 Hydrolyzed Whey Protein Isolate
NAKED Whey 5LB 100% Grass Fed Unflavored (#1, best overall) vs Dymatize ISO100 Hydrolyzed Whey Protein Isolate (#3, best value): in our Whey Protein Powders scoring the NAKED Whey 5LB 100% Grass Fed Unflavored totals 8.3/10 and the Dymatize ISO100 Hydrolyzed Whey Protein Isolate 7.4/10.
We may earn a commission when you buy through our links. Prices and availability shown are accurate as of Mar 8, 2026 and are subject to change; the merchant's price at purchase applies.
TopsFive comparison scores
Side by side
| NAKED Whey 5LB 100% Grass Fed Unflavored | Dymatize ISO100 Hydrolyzed Whey Protein Isolate | |
|---|---|---|
| Price | $99 | — |
| Protein | 25g per scoop | 25g per scoop |
| Type | Grass-fed whey (unflavored) | Hydrolyzed whey isolate |
| Servings | 76 | 71 |
| Testing | NSF Certified | — |
| Additives | None | — |
| Calories | — | 110 |
| BCAAs | — | 5.5g (2.7g leucine) |
How they differ in real use
Built from our whey protein scoring, each product's published specifications, and verified owner feedback — not hands-on testing.
Both the NAKED Whey 5LB 100% Grass Fed Unflavored and the Dymatize ISO100 Hydrolyzed Whey Protein Isolate made our Top 5 Whey Protein Powders, at #1 (best overall) and #3 (best value). Only one ingredient (100% grass-fed whey) with NSF Certified verification for purity and safety. The cleanest label in the group with solid 21.11 g/$ protein-per-dollar value. 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.
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 NAKED Whey 5LB 100% Grass Fed Unflavored totals 8.3 out of 10 and the Dymatize ISO100 Hydrolyzed Whey Protein Isolate 7.4. The widest gap is Third-Party Testing, where the NAKED Whey 5LB 100% Grass Fed Unflavored scores 9 against 2 for the Dymatize ISO100 Hydrolyzed Whey Protein Isolate — purity verification. Protein Quality also separates them: 10 for the Dymatize ISO100 Hydrolyzed Whey Protein Isolate versus 8 for the NAKED Whey 5LB 100% Grass Fed Unflavored. The Dymatize ISO100 Hydrolyzed Whey Protein Isolate claws back ground on Taste & Mixability and Value.
On paper, the specifications that actually differ: Type — Grass-fed whey (unflavored) on the NAKED Whey 5LB 100% Grass Fed Unflavored versus Hydrolyzed whey isolate on the Dymatize ISO100 Hydrolyzed Whey Protein Isolate; Servings — 76 on the NAKED Whey 5LB 100% Grass Fed Unflavored versus 71 on the Dymatize ISO100 Hydrolyzed Whey Protein Isolate. They match on Protein.
The NAKED Whey 5LB 100% Grass Fed Unflavored lists at $99; the Dymatize ISO100 Hydrolyzed Whey Protein Isolate's current price is on the merchant page. Owners praise the NAKED Whey 5LB 100% Grass Fed Unflavored for only one ingredient (100% grass-fed whey) and NSF Certified for purity/safety; the most common complaint is unflavored only. 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.
NAKED Whey 5LB 100% Grass Fed Unflavored
- Only one ingredient (100% grass-fed whey)
- NSF Certified for purity/safety
- No artificial sweeteners/flavors/colors
- GMO-free, soy-free, gluten-free
- Unflavored only
- 25g protein per serving (not highest)
- Premium pricing for grass-fed
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
Which should you buy?
The NAKED Whey 5LB 100% Grass Fed Unflavored is the better fit for clean-label purists and those wanting single-ingredient protein — it is the higher-scoring pick here, chiefly for Third-Party Testing and Ingredient Quality. The Dymatize ISO100 Hydrolyzed Whey Protein Isolate is the better fit for value seekers wanting isolate quality and post-workout recovery, and the stronger choice if Protein Quality and Taste & Mixability matter more to you than the overall score. The NAKED Whey 5LB 100% Grass Fed Unflavored is a poor fit for flavor seekers; the Dymatize ISO100 Hydrolyzed Whey Protein Isolate is a poor fit for those requiring third-party certification.
Choose the NAKED Whey 5LB 100% Grass Fed Unflavored if
- Clean-label purists
- Those wanting single-ingredient protein
- NSF certification needs
Skip it if
- Flavor seekers
- Budget maximizers
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
Common questions
Is the NAKED Whey 5LB 100% Grass Fed Unflavored better than the Dymatize ISO100 Hydrolyzed Whey Protein Isolate?
In our Whey Protein Powders ranking the NAKED Whey 5LB 100% Grass Fed Unflavored scores higher overall, 8.3 to 7.4, with the biggest advantage in Third-Party Testing. The Dymatize ISO100 Hydrolyzed Whey Protein Isolate is stronger on Protein Quality and Taste & Mixability, so it is the better pick if those matter most to you.
What is the main difference between the NAKED Whey 5LB 100% Grass Fed Unflavored and the Dymatize ISO100 Hydrolyzed Whey Protein Isolate?
The headline spec difference is Type: Grass-fed whey (unflavored) on the NAKED Whey 5LB 100% Grass Fed Unflavored versus Hydrolyzed whey isolate on the Dymatize ISO100 Hydrolyzed Whey Protein Isolate. In use, the gap that matters most is Third-Party Testing (9 vs 2 in our scoring): purity verification.

