Reviews and Information for Isopure
Isopure Testing Report Card
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Product Review
Protein Powders and Shakes Review
Find Out Which Protein Products Passed or Failed Our Tests
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).