Klean Isolate earns its score through formula simplicity and unusually strong public certification evidence. It is not the automatic choice for an ordinary recreational buyer: 20 g protein per serving and premium pricing leave cheaper ways to reach the same daily protein target.
Score breakdown
| Area | Finding | Score |
|---|---|---|
| Formulation | 20 g whey isolate; minimal unflavoured formula | 24 / 25 |
| Transparency | Short label and clear serving information | 18 / 20 |
| Laboratory verification | NSF listing with lot identifiers | 20 / 20 |
| Safety | Certified for Sport and allergen disclosure | 15 / 15 |
| Company reliability | External evidence supports the quality positioning | 8 / 10 |
| Value | Premium cost for a 20 g serving | 4 / 10 |
Formula and ingredients
The unflavoured product is built around whey protein isolate without a long flavouring or sweetener system. That keeps the ingredient audit simple. It does not make the protein intrinsically more anabolic than another complete whey serving delivering a comparable amino-acid dose.
Laboratory and certification trail
NSF Certified for Sport lists Klean Isolate variants and publishes product details and lot identifiers. That is meaningful external evidence for banned-substance risk and manufacturing review. It is still not a public assay of every nutrient and contaminant in every unit sold.
Company accountability
Klean Athlete markets its range specifically around NSF Certified for Sport. The score relies on the certifier directory—not the brand statement alone. Brand age and professional positioning do not substitute for product-level evidence.
Where this fits
The strongest case is risk management for tested sport. For a healthy recreational lifter, the decision is mainly whether that external assurance and ingredient simplicity justify the price.
Limits and update trigger
ShreddedAF did not purchase, taste or commission a laboratory analysis. Re-score if the NSF entry, formula, serving size or regional label changes.
Evidence register
- Klean Athlete official product page.
- NSF Certified for Sport protein directory.
- NSF listing example: Klean Isolate strawberry.
Source rule: Manufacturer pages establish the current label and claims. Independent certifier directories establish only the specific certification, region and batches they list. Editorial awards never alter the score.
Official product page
No retailer or affiliate relationship is active on this page. Availability, price, formula and certification can differ by country and flavour.
Check the manufacturer page ↗