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Product Review

Hemp Seed Review

We Found That 33% of Products Were Spoiled

Hemp Seed Review 2026

Product Review

Protein Powders and Shakes Review

Find Out Which Protein Products Passed or Failed Our Tests

Protein Review 2026

Product Review

Black Currant, Borage, Evening Primrose, Flax and Hemp Seed Oil Review

Choose the Best Flaxseed and Other Oils Based on Our Tests.

Omega 3 and 6 Seed Oil Review 2025

Clinical Update

1/06/2025

Heavy Metals in Hemp Seeds?

Testing of Manitoba Harvest Organic Hemp Hearts by a separate group identified levels of cadmium and arsenic it considered unsafe for children. See our take on these results in our article about hemp seeds.

News Release

May 13, 2026

Best Hemp Seeds? Some Contain Mold, ConsumerLab Tests Reveal

White Plains, NY, May 13, 2026 — Hulled hemp seeds, or "hemp hearts" can be a good source of protein, polyunsaturated fats, magnesium, and other important nutrients, but new tests by ConsumerLab reveal that some hemp seeds are contaminated with mold.

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

January 23, 2025

ConsumerLab Tests Identify Best Black Currant, Borage, Evening Primrose Flax and Hemp Oils

White Plains, NY, January 23, 2025 —  Black currant, borage, evening primrose, flax, and hemp oils contain omega-3, -6, and/or -9 fatty acids that, when replacing saturated fats in the diet, may help reduce cardiovascular risk.

News Release

September 18, 2020

Analysis of CBD Products Shows Price Drop and Lower Levels of THC

White Plains, New York, September 18, 2020 — The recent analysis by ConsumerLab of CBD and hemp extract products revealed a 70% drop in the lowest cost to get CBD since 2018 as well as fewer products containing detectable amounts of THC, a psychoactive compound in hemp.

News Release

November 27, 2017

Flaxseed and Other Popular Omega 3 & 6 Oil Supplements Tested, But Not All Brands Pass -- Tests of Black Currant Oil, Borage Oil, Evening Primrose Oil, Flaxseed Oil, and Hemp Oil Supplements

White Plains, New York, November 27, 2017 — Flaxseed oil and other popular seed oil are popular supplements that provide omega-3 and omega-6 fatty acids and may help with inflammatory conditions. But which seed oil supplements are the best? To find out, ConsumerLab.

Recalls & Warnings

January 21, 2015

Smoothie Blends Recalled Due to Potential Listeria Contamination

On January 18, 2015, Inventure Foods, Inc. issued a recall of RADER FARMS Fresh Start Smoothie Blend, Fresh Start Sunrise Refresh Fusion, and Fresh Start Daily Power Fusion, because they have the potential to be contaminated with Listeria monocytogenes.