10 Most Popular ConsumerLab Product Reviews of 2023

1. Extra Virgin Olive Oil - We expanded our Review this year to include more products. Many don't seem to make the grade. See the results and our Top Picks.

2. Whole, Ground, Milled, and Cracker Flaxseed - High levels of cadmium found in flaxseed products. Find out why, and see our Top Picks.

3. Multivitamin and Multimineral Supplements - Learn why you should be cautious with gummies, and see our Top Picks for men, women, seniors, children, and pets.

4. Water Filter Pitchers - Find out which pitchers are best for different filtering needs (including for lead, microplastics, chlorine-taste, and more) and our Top Picks.

5. Shelled Walnuts (Halves & Pieces) - Some products had much higher amounts of mold than others, or signs of oxidation (rancidity). See our Top Picks.

6. Turmeric & Curcumin Supplements and Spices - We found a wide range of beneficial compounds in products, and discovered one to be contaminated with lead. See our Top Picks.

7. Collagen Supplements - Best collagen supplements? See our Top Picks for wrinkles and for joints.

8. Fish Oil, Krill Oil, and Algal Oil Omega-3 Supplements - Avoid rancid omega-3 supplements! See our Top Picks among low, medium, and high-concentration fish, krill, and (vegan) algal oils.

9. Vision Supplements - Find out what lutein and zeaxanthin can and cannot do for vision health, and which products most closely resemble formulas found beneficial for slowing age-related macular degeneration. See our Top Picks based on our tests.

10. D-Mannose Supplements - We found the cost to obtain a dose of D-mannose used in clinical trials from products ranged by 1200%! See our Top Picks among products for quality and value.

See our complete list of all current Product Reviews covering 150 categories of products. Since ConsumerLab’s inception, we've tested more than 7,200 products sold by over 1,000 different brands.

Founded in 1999, ConsumerLab.com is a leading provider of consumer information and independent evaluations of products that affect health and nutrition. Membership to ConsumerLab.com is available online and provides immediate access to continually updated reviews of nearly every popular type of dietary supplement and health food, answers to reader questions, and product recalls and warnings. ConsumerLab also provides independent product testing through its voluntary Quality Certification Program. The company is privately held and based in New York. It has no ownership from, or interest in, companies that manufacture, distribute, or sell consumer products.