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Isopure Testing Report Card

  • 1 product from Isopure was tested and reviewed by ConsumerLab, with XX products Approved for quality of which XX are Top Picks.
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Product Review

Protein Powders and Shakes Review

Find Out Which Protein Products Passed or Failed Our Tests

Protein Review 2026

News Release

April 30, 2026

Best Protein Powders & Shakes? ConsumerLab Finds 29% Have Inaccurate Labels

White Plains, NY, April 30, 2026 — Protein powders and ready-to-drink shakes are a convenient way to get more protein, but new testing by ConsumerLab.com shows that some consumers may also get more cholesterol, sodium, or sugar than they bargained for.

News Release

February 25, 2026

Top-rated Vitamin and Supplement Brands and Merchants for 2026 Based on Consumer Satisfaction

-- Results of the ConsumerLab.com Survey of Vitamin & Supplement Users --

News Release

February 25, 2025

Top-rated Vitamin and Supplement Brands and Merchants for 2025 Based on Consumer Satisfaction

White Plains, New York, February 25, 2025 — Each year, ConsumerLab.com surveys its free e-newsletter subscribers about the vitamins and supplements that they use. The results below are based on over 8,400 responses collected in November/December 2024.

News Release

February 25, 2024

Top-rated Vitamin and Supplement Brands and Merchants for 2024 Based on Consumer Satisfaction

White Plains, New York, February 25, 2024 — Each year, ConsumerLab.com surveys its free e-newsletter subscribers about the vitamins and supplements that they use. The results below are based on over 10,000 responses collected in November/December 2023.

News Release

June 30, 2022

Best Protein Shakes & Drinks According to ConsumerLab Tests. Lead, Excess Sodium Found in Some

White Plains, New York, June 30, 2022 — Consumers may get more sodium, fat, calories, or even lead, than they bargained for from some protein supplements, according to recent ConsumerLab tests of over 20 popular protein powders and shakes.

News Release

June 15, 2016

28% of Protein Powders and Drinks Fail ConsumerLab.com's Tests of Quality

White Plains, New York, June 15, 2016 — Protein powders and drinks can help build and maintain muscle when combined with exercise and can also help with blood sugar control. However, recent ConsumerLab.

Recalls & Warnings

March 12, 2016

FDA Finds Problems at 58% of Supplement Manufacturing Sites in U.S. and Abroad

ConsumerLab.com has obtained results of the FDA's inspections in Fiscal Year 2015 (ending September 30) of 483 dietary supplement manufacturing facilities, showing that most -- 58.2% -- received letters indicating noncompliance with current Good Manufacturing Practices (cGMPs).