
Protein powders — purity & heavy metals
ISOPURE Unflavored Protein
Widely available unflavored whey isolate in CLP’s Clean Sixteen, with a currently verifiable exact product page.
VerdictMainstream unflavored isolate with clean CLP numbers and easy product verification.
Why it ranks
ISOPURE’s unflavored whey isolate sits in the same CLP Clean Sixteen non-detect tier as more boutique options. It stays in the top 3 because it is simple, cocoa-free, widely distributed, and its current exact product packaging can be verified directly from the live Isopure product page.
Highlights
- Whey protein isolate, 25g protein per serving
- No added flavors or sweeteners on the exact unflavored SKU
- CLP Clean Sixteen tie — non-detect on the four reported heavy metals
- Exact live product image verified from the Isopure brand page
Caveats
- Some flavored Isopure SKUs use sucralose / artificial flavor — taste preference
- Choose the original unflavored variant for the tested numbers
Testing method
ICP-MS via Ellipse Analytics (ISO/IEC 17025)