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Showing Results for Costco

Product Reviews (25)

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Canned tuna, salmon and sardines reviewed by ConsumerLab.com

Tuna, Salmon & Sardines Review (Canned and Packaged)
Lutein, Zeaxanthin and Vision Supplements Tested by ConsumerLab.com

Vision Supplements Review (with Lutein and Zeaxanthin)
Multivitamin/Multimineral Supplements Reviewed by ConsumerLab.com

Multivitamin and Multimineral Supplements Review
Cinnamon Supplements and Spices Tested by ConsumerLab.com

Cinnamon Supplements and Spices Review
Extra virgin olive oils reviewed by ConsumerLab.com

Extra Virgin Olive Oil Review
CoQ10 and Ubiquinol Supplements Reviewed by ConsumerLab.com

CoQ10 and Ubiquinol Supplements Review
Astaxanthin Supplements Reviewed By Consumerlab.com

Astaxanthin Supplements Review
Flaxseed Oil, Evening Primrose Oil, Borage Oil, Hemp Oil and Black Currant Oil Supplements Reviewed by ConsumerLab.com

Black Currant Oil, Borage Oil, Evening Primrose Oil, Flaxseed Oil, and Hemp Oil Supplements Review: Sources of ALA and GLA (Omega-3 and -6 Fatty Acids)

Vitamin E Supplements, Cream, and Oil Tested by ConsumerLab.com

Vitamin E Supplements Review
Lactase Supplements Reviewed by ConsumerLab.com

Lactose Intolerance Products Review (Lactase Enzymes and Lactose-Free Milks)

Milk Thistle and Liver Formula Supplements Reviewed by ConsumerLab.com

Milk Thistle Supplements Review
Green Tea Supplements, Drinks, and Brewable Teas Review

Green Tea Review: Supplements, Brewable, Matcha, and Bottled
Coconut and MCT Oils Reviewed by ConsumerLab.com

Coconut Oil and Medium Chain Triglycerides (MCT Oil) Review
Collagen Supplements Reviewed By ConsumerLab

Collagen Supplements Review
Glucosamine, Chondroitin, MSM and Boswellia Supplements for Joint Health Reviewed by ConsumerLab.com

Joint Health Supplements Review (Glucosamine, Chondroitin, MSM and Boswellia)
Nutrition Bars Reviewed by ConsumerLab.com (Energy, Fiber, Meal Replacement, Protein, and Whole Food Bars)

Nutrition Bars & Cookies Review (For Energy, Fiber, Protein, Meal Replacement, and Whole Foods)
B Vitamins Reviewed by ConsumerLab.com

B Vitamin Supplements Review (B Complexes, B6, B12, Biotin, Folate, Niacin, Riboflavin & More)

Ginseng Supplements Reviewed by ConsumerLab.com

Ginseng Supplements Review
Toprol vs Generic Metoprolol

Toprol XL vs. Generic Metoprolol Succinate Extended-release (ER) Tablets Review
Fish Oil and Other Marine Oil Supplements Reviewed by ConsumerLab.com

Fish Oil, Krill Oil, and Algal Oil Omega-3 (DHA & EPA) Supplements Review
Calcium Supplements Reviewed by ConsumerLab.com

Calcium Supplements Review
Vitamin D Supplements Reviewed By ConsumerLab.com

Vitamin D Supplements Review (Including Calcium, Vitamin K, Magnesium, and Boron)
Probiotic Supplements Reviewed by ConsumerLab.com

Probiotic Supplements Review (Including Pet Probiotics)

Ginkgo Biloba Supplements Tested by ConsumerLab.com

Ginkgo (Ginkgo Biloba) Supplements Review

Prostate Supplements Review (Saw Palmetto and Beta-Sitosterol)

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CL Answers (14)

Search term may appear only in full report available to members. Sign in or Join now for full access.

Health Benefits of Olive Oil -- Pouring Olive Oil Into a Bowl

How do I find the best quality olive oil and what are the health benefits?

Health Benefits of olive oil, including heart benefits, anti-inflammatory effects. Plus, how to choose a quality olive oil and cook with olive oil

Can CoQ10 or ubiquinol be ruined by heat? I recently purchased several bottles of Qunol Plus from Costco.com and they arrived hot. The soft gels are not melted, but I am concerned.

Find out whether your CoQ10 or ubiquinol supplement can be destroyed by heat during shipping and at what temperature CoQ10 softgels can melt. ConsumerLab.com's answer explains.
Health benefits of avocado oil - bottle of avocado oil

What are the health benefits of avocado oil? Is it healthier than olive oil? Which avocado oils are best?

Learn about the health benefits of avocado oil and how it compares to olive oil, evidence for heart health, osteoarthritis and other uses. ConsumerLab.com's answer explains.

Which are the best non-prescription hearing aids? Are any of these low-cost devices as good as more expensive, prescription hearing aids?

Non-prescription hearing aid reviews, including MD Hearing Aid, Eargo Hearing Aid, Liberty Hearing Aid, etc. Compare quality & cost with prescription hearing aids.
Canned tuna, salmon and sardines reviewed by ConsumerLab.com

To avoid mercury, I tried skipjack tuna instead of albacore, but I didn't like the taste. Is it safe to continue to eat albacore if just once a week?

Concerned about mercury in albacore tuna? Find out how often it is safe to consume albacore tuna, and the best canned tuna and salmon alternatives to albacore tuna that are high in omega-3s and low in contamination with mercury. ConsumerLab.com's answer explains.
The Difference Between Prescription Lovaza and Over the Counter Fish Oil - Omega-3 Supplements

Lovaza, a prescription omega-3 fish oil, is very expensive. Can I get the same omega-3 oils from a supplement that costs less?

Lovaza fish oil (prescription) vs. over the counter fish oil supplements. Understand the differences in cost and benefits before you buy.
Beyond Burger vs. Impossible Burger: Nutrition, Vitamins & Minerals -- cooked plant-based burger on bun

How do the Beyond Burger, the Impossible Burger, and a beef burger compare in terms of vitamins and minerals, and which is best?

Read our comparison of the Beyond Burger and the Impossible Burger. Compare nutrition, vitamins and minerals. ConsumerLab.com's answer explains.
The Difference Between CoQ10 and Ubiquinol -- CoQ10 Supplement

What is the difference between CoQ10 and ubiquinol?

Understand the difference between CoQ10 (ubiquinone) and the active form, ubiquinol, and how they are best absorbed. ConsumerLab explains.
CoQ10 and Ubiquinol Supplements Reviewed by ConsumerLab.com

What is "nano" CoQ10? Is it better than other CoQ10 formulations?

Learn more about "nano" CoQ10 supplements,such as NanoCoQ10 and VesiSorb CoQ10, including clinical evidence and comparisons to other formulations.
Cranberry Juice for UTIs? -- cranberries and a glass of cranberry juice

Can cranberry juice or cranberry supplements help prevent urinary tract infections or improve overactive bladder?

Learn more about how cranberries, juice, and supplements can help prevent urinary tract infections, including safety.
Glucosamine, Chondroitin, and MSM for Pets Reviewed by ConsumerLab.com

My dog is getting older and his veterinarian recently recommended giving him a glucosamine supplement for his joints. Has ConsumerLab.com tested these, or other supplements for pets?

Find out our test results on glucosamine for dogs and cats as well as other supplements for pets.
Benefits and Risks of Colloidal Silver? -- dropper bottle of colloidal silver

Is ingesting colloidal silver helpful for any condition and is it safe to use? I'm seeing it promoted for many applications.

Find out if there is evidence showing colloidal silver can help to treat infections, boost the immune system, help with arthritis and more, plus find out if colloidal silver can cause blue skin or other side effects.

Problems With Gummy Vitamins -- bottle of gummy vitamins

Is there cause for concern with "gummy vitamins?" There are many different gummies out there. Are some better than others?

Learn more about gummy supplements, including those for multivitamins, vitamins C and D, calcium, and B vitamins.

How does bone broth protein compare to other types of protein?

Bone broth protein supplement information, including their effectiveness compared to other types of protein, how much collagen they contain, and safety.
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News Releases (88)

Search term may appear only in full report available to members. Sign in or Join now for full access.

2/25/2021

Top-rated Vitamin and Supplement Brands and Merchants for 2021 Based on Consumer Satisfaction -- Results of the ConsumerLab.com Survey of Vitamin & Supplement Users
12/11/2020

Caution With Cinnamon: ConsumerLab Tests Reveal High Amounts of Toxin in Some Supplements and Spices
8/15/2020

ConsumerLab Tests Show Not All Vitamin E Supplements Contain What They Claim
7/10/2020

Best and Worst Tuna, Salmon and Sardines? ConsumerLab Tests Reveal Amounts of Omega-3s and Toxic Heavy Metals in Canned and Packaged Fish
4/28/2020

Best and Worst Multivitamins Revealed by ConsumerLab -- Problems Found With 44% of Multis Tested
4/14/2020

ConsumerLab Tests Reveal Best Probiotic Supplements and Those With Quality Issues
2/25/2020

Top-rated Vitamin and Supplement Brands and Merchants for 2020 Based on Consumer Satisfaction -- Results of the ConsumerLab.com Survey of Vitamin & Supplement Users
10/22/2019

Best Vision Supplements Identified by ConsumerLab
10/04/2019

ConsumerLab Tests Reveal Best Collagen Supplements for Wrinkles and Joints
9/11/2019

Some Nutrition Bars Contain More Carbs and Less Fiber Than Listed, ConsumerLab Tests Reveal
7/31/2019

ConsumerLab Tests Reveal Best CoQ10 and Ubiquinol Supplements
6/25/2019

ConsumerLab Tests Reveal Best B Vitamin Supplements -- 19% of B Vitamin Supplements Fail CL's Tests of Quality
3/07/2019

Best Coconut and MCT Oils Identified by ConsumerLab
2/25/2019

Top-rated Vitamin and Supplement Brands and Merchants for 2019 Based on Consumer Satisfaction -- Results of the ConsumerLab.com Survey of Vitamin & Supplement Users
11/19/2018

Tests Reveal Best Fish Oil Supplements and How They Compare to Prescription Fish Oil
10/02/2018

Best Joint Health Supplements Identified -- ConsumerLab Tests Glucosamine, Chondroitin, MSM and Boswellia Supplements for People and Pets
9/12/2018

Little Omega-3 and High Mercury Found In Some Canned Tuna -- Better Choices Selected for Tuna and Salmon
5/10/2018

Big Differences Found Among Green Teas -- ConsumerLab Tests Identify Best Green Tea in Bags, Matcha, Supplements, and Bottles --
5/02/2018

Best Probiotic Supplements and Kombuchas? -- ConsumerLab Tests 41 Popular Products, Reveals Problems and Top Picks
2/25/2018

Top-rated Vitamin and Supplement Brands and Merchants for 2018 Based on Consumer Satisfaction
11/27/2017

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
11/01/2017

Gummies Are Most Likely to Fail Testing in Review of Multivitamins -- Best and Worst Multivitamins Identified by ConsumerLab Testing
6/21/2017

Which Magnesium Is Best? ConsumerLab.com Tests Popular Brands and Reveals Its Top Pick
5/26/2017

ConsumerLab.com Tests Reveal the Best Calcium Supplements
5/17/2017

Best Vitamin D? ConsumerLab.com Tests Popular Vitamin D Supplements and Reveals Its Top Picks
3/15/2017

ConsumerLab.com Reveals Best and Worst Vitamin C Supplements -- 20% Fail ConsumerLab.com Tests of Quality
2/25/2017

Top-rated Vitamin and Supplement Brands and Merchants for 2017 Based on Consumer Satisfaction
2/23/2017

ConsumerLab.com Reveals Best and Worst B Vitamin Supplements and Why Current Labels Often Mislead
1/10/2017

Your Extra Virgin Olive Oil May Not Be, According to Review By ConsumerLab.com -- Top Picks Noted for Best Quality and Value
12/21/2016

Best CoQ10? ConsumerLab.com Tests Popular CoQ10 and Ubiquinol Supplements and Reveals Its Top Picks
11/03/2016

Is Astaxanthin Helpful for Inflammation or Other Conditions -- and Which Brands Are Best? -- ConsumerLab.com Reviews the Evidence and Tests the Quality of Popular Astaxanthin Supplements
10/11/2016

What Are the Benefits of Resveratrol and Which Brands Are Best? -- ConsumerLab.com Reviews the Evidence and Tests the Quality of Popular Resveratrol Supplements
7/05/2016

80% of Milk Thistle Supplements Fail ConsumerLab.com Tests of Quality -- Most Found to Be Low in Key Component
6/03/2016

What Works for Joint Health? ConsumerLab.com Reviews Glucosamine, Chondroitin, MSM and Boswellia Supplements for People and Pets
2/25/2016

Top-rated Vitamin and Supplement Brands and Merchants for 2016 Based on Consumer Satisfaction
1/12/2016

Problems Found with 32% of Multivitamin/Multimineral Supplements -- ConsumerLab.com Identifies Good Choices for Men, Women, and Children
12/17/2015

ConsumerLab.com Focuses on Vision Supplements, Spotting the Best and the Worst
11/06/2015

Some Surprising Results from Tests of 43 Probiotic Supplements and Kefir Drinks
10/14/2015

Is Matcha a Better Form of Green Tea? ConsumerLab.com Answers the Question
8/28/2015

Not All Vitamin E Supplements Are Alike, Especially "Natural" Ones, ConsumerLab.com Tests Reveal
6/10/2015

ConsumerLab.com Tests Reveal Best and Worst Magnesium Supplements
4/28/2015

Best Supplements for Bone Health? ConsumerLab.com Finds Products with Multiple Ingredients More Likely to Contain Wrong Amounts
3/17/2015

CoQ10 & Ubiquinol Supplements Vary in Quality, as Well as Dose, Absorption, and Price According to ConsumerLab.com
2/25/2015

Top-rated Vitamin and Supplement Brands and Merchants for 2015 Based on Consumer Satisfaction -- Results of the ConsumerLab.com Survey of Vitamin & Supplement Users
4/09/2014

Best Fish Oil? ConsumerLab.com Testing Finds Many High Quality Supplements, But Pitfalls Exist
2/26/2014

Mislabeling of Some Joint Health Supplements with Glucosamine, Chondroitin, Boswellia, and MSM According to ConsumerLab.com -- 38 Supplements Tested, Including Products for Dogs and Cats --
2/12/2014

Top-rated Vitamin and Supplement Brands and Merchants for 2014 Based on Consumer Satisfaction -- Results of the ConsumerLab.com Survey of Vitamin & Supplement Users
1/29/2014

You May Be Getting More Vitamin C Than You Think from Some Supplements, Cautions ConsumerLab.com -- 27% of Vitamin C Supplements Don't Meet Label Claims in Recent Tests --
11/25/2013

Many Probiotic Supplements Fall Short on Listed Amounts of Helpful Organisms
9/19/2013

What's Really in Resveratrol Supplements? Some Contain Little Resveratrol or Do Not Meet Quality Standards According to ConsumerLab.com
3/05/2013

CoQ10 & Ubiquinol Supplements Should Be Chosen Carefully, Cautions ConsumerLab.com -- Less Than 4% of Listed Ingredient Found in Widely-Sold Product
2/01/2013

Top-rated Vitamin and Supplement Brands and Merchants for 2013 Based on Consumer Satisfaction
12/21/2012

ConsumerLab.com Tests Reveal What's Really In Green Tea Supplements and Bottled Drinks
11/26/2012

Tests Show Many Milk Thistle Supplements Low in Key Component -- Seven of Eleven Products Fail ConsumerLab.com Testing of Herb Used in Diabetes and Liver Diseases
9/27/2012

ConsumerLab.com Reveals How Much Caffeine is in Energy Drinks -- Also Finds Some Drinks and Dietary Supplements Don't Contain Claimed Amounts of B Vitamins
8/22/2012

Contamination and Other Problems Found in Fish Oil Supplements -- Large Review by ConsumerLab.com Reveals Excessive PCBs or Mislabeling in Over 30% of Omega-3 Supplements
6/18/2012

What is "Natural" Vitamin E? It Depends On the Brand Selling It, Finds ConsumerLab.com -- New Review of Vitamin E Supplements, Oil and Cream, Including Tocopherols and Tocotrienols
4/26/2012

ConsumerLab.com reviews prostate supplements with saw palmetto and/or beta-sitosterol and finds few likely to be effective
3/12/2012

Review of vitamin C supplements by ConsumerLab.com finds many of high quality but a wide range in prices
2/01/2012

Top-rated vitamin and supplement brands and merchants on consumer satisfaction for 2012 -- Based on ConsumerLab.com Survey of Vitamin & Supplement Users
10/31/2011

Supplements for lactose intolerance vary in strength and cost, and some offer no benefit, according to ConsumerLab.com
6/16/2011

ConsumerLab.com puts multivitamins to the test
4/26/2011

Problems discovered with eight vitamin D supplements in study by ConsumerLab.com -- Incorrect amounts of vitamins, lead contamination, and labeling infractions identified.
3/08/2011

ConsumerLab.com reviews CoQ10 and ubiquinol supplements -- Tests show quality to be high, but large differences found in dosage, formulation, and cost
2/01/2011

Top-rated vitamin and supplement brands and merchants on consumer satisfaction for 2011 -- Based on ConsumerLab.com survey of vitamin and supplement users 
1/31/2011

Vitamin D use increased 52% in past two years according to ConsumerLab.com survey of supplement users -- Fish oil continued to surpass multivitamins as most popular supplement and Internet was most common place to buy supplements
1/11/2011

Spoilage and labeling errors found with some omega-3 and -6 supplements; Review of evening primrose, flaxseed, borage, and black currant oil supplements
10/26/2010

ConsumerLab.com reports deficiencies in some B-complex supplements and more caffeine than expected in "shot-sized" B vitamin "energy" drinks
9/28/2010

ConsumerLab.com finds quality problems with nearly 30% of fish oil supplements reviewed; "Fishy" claims identified -- Softgels and liquids for adults, children and pets tested, including krill oil and algal oil supplements 
8/16/2010

Problems persist with ginseng supplements -- Review by ConsumerLab.com finds 45% of products don't provide full amount of ingredient or are contaminated
2/01/2010

Top-rated supplement brands and merchants for consumer satisfaction for 2010; Based on ConsumerLab.com Survey of Vitamin & Supplement Users
9/15/2009

ConsumerLab.com finds many prostate supplements have correct ingredients, but four fail review -- New report on 19 saw palmetto and beta-sitosterol supplements
7/10/2009

Nine joint health supplements fail ConsumerLab.com quality review -- Lead contamination, missing ingredients and other problems found in supplements for people as well as for dogs, cats and horses; Many others approved
3/31/2009

ConsumerLab.com Warns of Problems with Multivitamins and Vitamin Water -- Defects Found in Over 30% of Supplements Selected for Testing; Several Popular Children's Multis Exceed Tolerable Limits
3/10/2009

ConsumerLab.com reports deficiencies in some supplements containing calcium, vitamin D, or vitamin K -- Focus on bone health supplements and new uses for vitamins D and K
2/03/2009

Survey shows fish oil nearly as popular as multivitamins among supplement users.  Most also take calcium and CoQ10 -- ConsumerLab.com publishes 2009 Report on Vitamin & Supplement Users, including top-rated brands and merchants. 
9/17/2008

ConsumerLab.com's tests of menopause supplements reveal wide range in strength and quality; mislabeling and contamination discovered -- Soy and red clover isoflavones, black cohosh, and progesterone products tested
8/05/2008

ConsumerLab.com Find Fifty Fish Oil Supplements Pass Quality Testing -- New Report Helps Consumers Choose Among Pills, Liquids, Foods and Beverages with Omega-3 Fatty Acids (EPA and DHA)
1/23/2008

ConsumerLab.com announces brands and merchants rated highest by dietary supplement consumers
9/10/2007

Tests of B-vitamins by ConsumerLab.com finds several short on folic acid — New report covers B-complexes, thiamin, niacin, B-6, B-12, biotin and folic acid supplements
4/11/2007

Many arthritis supplements lack key listed ingredient — ConsumerLab.com finds chondroitin missing or low in eight supplements; Glucosamine and MSM also tested
2/15/2007

ConsumerLab.com survey shows brands and merchants rated highest by dietary supplement users
1/19/2007

Consumers warned of problems with multivitamins — ConsumerLab.com uncovers defects in over half of products tested
2/06/2006

ConsumerLab.com finds most prostate supplements have correct ingredients, but three fail testing — Results posted for 22 supplements containing saw palmetto and beta-sitosterol
1/03/2006

Tests of memory enhancing supplements by ConsumerLab.com reveals lead in some ginkgo
7/18/2005

ConsumerLab.com tests menopause supplements — Alternatives to hormonal therapy — Report available for 38 products including soy and red clover isoflavones, black cohosh, and progesterone creams
5/28/2004

ConsumerLab.com warns of deceptive campaign by manufacturer of children's vitamin
3/02/2004

ConsumerLab.com survey finds most consumers highly satisfied with supplements; Ratings vary by brand
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