Reviews and Information for Dogs Well

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Product Review

Joint Health Supplements for Pets Review (Glucosamine, Chondroitin, & MSM)

See Which Pet Supplements for Joint Health Passed Our Tests and Which Didn't!

Product Review

Taurine Supplements Review for People, Dogs, and Cats

Find the Best Taurine Supplements. Learn When to Use Taurine and Which Supplement is Best.

Product Review

CBD Oils, Softgels, Gummies, Creams & Salves Review

See How Much CBD and THC We Found in Products.

Product Review

Probiotic Supplements Review (Including Pet Probiotics)

See What's Really in Probiotics and Our Top Picks

Product Review

Fish Oil, Krill Oil, and Algal Oil Omega-3 (DHA & EPA) Supplements Review

See Our Omega-3 Top Picks and Avoid Rancid Fish Oils.

Product Review

Turmeric and Curcumin Supplements and Spices Review

See Our Top Picks Among Turmeric Products

CL Answer

What are the best bug sprays to prevent tick and mosquito bites? Is the insecticide permethrin safe to use?

Find out how permethrin sprays differ and which can be used on sheets and sleeping bags versus clothing

Product Review

Ashwagandha Supplements Review

Find the Best Ashwagandha Supplement. Only 38% of Ashwagandha Products Pass Tests.

News Release

October 24, 2023

Best Fish Oil and Omega-3 Supplements? ConsumerLab Tests Reveal Some Are Rancid

White Plains, New York, October 24, 2023 —  Recent ConsumerLab tests of popular fish, krill, and algal oil supplements revealed several products to be rancid. Fish and marine oils that are rancid, or “oxidized,” can have an extremely unpleasant odor and taste, and may be less safe and effective.

Product Review

SAMe (S-adenosyl-methionine) Supplements Review

Choose the Best SAMe Supplement and Save Money

Product Review

Melatonin Supplements Review

Trouble Sleeping? See CL's Tests of Melatonin Supplements and Top Picks.

Product Review

L-Tryptophan and 5-Hydroxytryptophan (5-HTP) Supplements Review

Choose the Best L-Tryptophan and 5-HTP Supplements. CL Tests Identify High Quality L-Tryptophan and 5-HTP (5-Hydroxy-L-Tryptophan) at the Best Value.

CL Answer

Here’s What You Should Look For In Toothpaste and Mouthwash, and Our Top Picks

Learn about ingredients you want in your toothpaste, mouthwash and other dental products and which ingredients you may want to avoid.

News Release

June 29, 2023

ConsumerLab Tests Reveal the Best Turmeric and Curcumin Supplements & Spices

White Plains, New York, June 29, 2023 —  Turmeric and curcumin (a key compound in turmeric) are promoted for uses including osteoarthritis, seasonal allergies, and ulcerative colitis, as well as improving cognition and reducing symptoms of depression.

News Release

November 10, 2022

Best Probiotic Supplements Identified by ConsumerLab Tests

  White Plains, New York, November 10, 2022 — Probiotic supplements can be helpful in preventing or treating constipation, diarrhea, flatulence, vaginal infections, and other conditions, but with so many different products on the market, choosing the best one is no easy task.

CL Answer

I read that turmeric may be a GI irritant. I have GI problems and wonder if I should avoid turmeric and curcumin?

Find out if turmeric/curcumin supplements can cause gastrointestinal irritability.

News Release

September 11, 2021

Best CoQ10 and Ubiquinol Supplements Identified in Testing by ConsumerLab

White Plains, New York, September 11, 2021 — CoQ10 and ubiquinol, the active form of CoQ10, are often taken to offset a decline in natural levels that occurs with the use of statin (cholesterol-lowering) medication, and are also promoted for increasing energy and anti-aging effects.

News Release

August 27, 2021

ConsumerLab Tests Reveal Best Joint Health Supplements for People and Pets

White Plains, New York, August 27, 2021 — Joint health supplements with ingredients such as glucosamine, chondroitin, MSM, boswellia, collagen and turmeric are often promoted to relieve joint pain or slow the progression of osteoarthritis.

CL Answer

Sugar Substitutes: Pros, Cons, and Best Choices

Learn about the pros and cons of using sugar substitutes and artificial sweeteners in place of table sugar. Sweeteners discussed include stevia, monk fruit, and other high-intensity sweeteners; xylitol, erythritol, allulose and other low-calorie sweeteners; and agave syrup, black sugar, coconut sugar, honey, molasses and other sugar alternatives.

News Release

April 14, 2020

ConsumerLab Tests Reveal Best Probiotic Supplements and Those With Quality Issues

White Plains, New York, April 14, 2020 — Probiotic supplements may be helpful for conditions including antibiotic-associated diarrhea, irritable bowel syndrome, and respiratory infections.

CL Answer

What are the health benefits of palmitoylethanolamide (PEA), and is it safe?

Palmitoylethanolamide (PEA) is commonly promoted for its anti-inflammatory and pain-relieving effects. Find out if it works.

Recalls & Warnings

March 16, 2023

Omega-3 Supplements for Dogs and Cats Recalled Due to Potential for Vitamin A Toxicity

On March 9, 2023, Stratford Care USA issued a recall of 62 brands of omega-3 supplements for dogs and cats due to potentially elevated levels of vitamin A.

News Release

December 12, 2018

Best Taurine Supplements for People and Pets Identified by ConsumerLab

White Plains, New York, December 12, 2018 — Supplementing with taurine can treat taurine deficiencies in people and pets which, although uncommon, can occur with unconventional diets, such as grain-free diets for dogs.

News Release

October 02, 2018

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

White Plains, New York, October 2, 2018 — Do joint health supplements with ingredients such as glucosamine, chondroitin, Boswellia, and MSM really relieve joint pain or slow the progression of osteoarthritis? If so, which products are best? To find out, ConsumerLab recently tested popular ...

CL Answer

Dimethyl sulfoxide (DMSO): Health Effects & Safety Concerns

Dimethyl sulfoxide (DMSO) is a colorless liquid promoted for osteoarthritis, interstitial cystitis, tennis elbow, rotator cuff tendonitis, wound healing, and many other conditions. Find out if it works and if it's safe.

CL Answer

Is there a risk of liver toxicity with certain supplements?

Find out if there is risk of liver damage from supplements such as green tea, niacin, red yeast rice and vitamin A.

CL Answer

What are the health effects of turkey tail mushroom and is it safe?

Learn about the possible health effects of turkey tail mushroom, including its use as adjuvant treatment for cancer and for boosting immune function, plus get information about possible side effects and find out why ConsumerLab has not yet tested turkey tail products.

Product Review

Joint Health Supplements Review (Glucosamine, Chondroitin, MSM, Boswellia, Collagen and Turmeric)

18% of Joint Health Supplements Failed to Pass Our Tests. See Which Passed or Failed, and Our Top Picks.

Product Review

Multivitamin and Multimineral Supplements Review

32% Failed our Tests. Choose Your Multivitamin Carefully.

CL Answer

How concerned should I be about glyphosate in foods and supplements?

Find out if you should be concerned about glyphosate in foods and supplements. ConsumerLab.com's answer explains.

Recalls & Warnings

July 26, 2023

Five Leaf Pet Botanicals Warned by FDA for Drug Claims

On June 22, 2023, the FDA issued a warning letter to Five Leaf Pet Botanicals, Inc.

News Release

May 02, 2018

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

White Plains, New York, May 2, 2018 — With so many different probiotic supplements on the market, each providing different amounts and strains of beneficial bacteria or yeast, choosing the right one can be an overwhelming task.

News Release

November 01, 2017

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

White Plains, New York, November 1, 2017 — Multivitamin/multimineral supplements are among the most popular supplements, with many consumers relying on them to provide nutrients they may not get from their diets. However, ConsumerLab.

CL Answer

Do any supplements help with COVID-19? Do supplements like vitamin D, zinc, vitamin C, or herbals work?

Find out if natural remedies & supplements for coronavirus such as zinc, vitamin C, garlic, or elderberry help to prevent or treat COVID-19.

News Release

September 13, 2016

Best Fish Oil? ConsumerLab.com Tests 44 Popular Omega-3 Supplements and Identifies Its Top Picks

White Plains, New York, September 13, 2016 — Fish oil and omega-3 fatty acid supplements containing EPA and DHA are among the most popular supplements, and clinical studies suggest a wide range of potential benefits, from improving mental health to treating inflammatory disease.

Recalls & Warnings

December 01, 2021

Probiotics Recalled Due to Bacterial Contamination, May Be Life-Threatening to Some

On December 1, 2021, Livia Global, Inc issued a voluntary recall of two lots of probiotics due to potential contamination with Pseudomonas aeruginosa. This bacterium, if ingested, can cause life-threatening infection in immunocompromised individuals.

News Release

July 29, 2016

ConsumerLab.com Discovers Problems with Most Multivitamins for Dogs and Cats

White Plains, New York, August 2, 2016 — After discovering in January that none of the three pet multivitamins it had purchased and tested contained all of what was listed on the labels, ConsumerLab.

Recalls & Warnings

April 24, 2024

NOW Solutions XyliWhite Coconut Oil Toothpaste Gel Recalled

On March 6, 2024, NOW Foods issued a recall of over 27,000 units of NOW Solutions XyliWhite Coconut Oil Toothpaste Gel because it has an off taste and flavor.

Recalls & Warnings

May 14, 2016

Xylitol in Supplements Poses Danger for Dogs

On May 12, 2016, the FDA warned consumers that xylitol, a popular sweetener found in chewable vitamins, chewing gum, breath mints, toothpaste and a variety of other products, is toxic to dogs.

News Release

June 03, 2016

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

White Plains, New York, June 3, 2016 — Do popular joint health supplements with ingredients such as glucosamine, chondroitin, Boswellia, and MSM really work to relieve pain or slow the progression of osteoarthritis? And, with so many to choose from, which supplements are best? To find out, ...

News Release

January 12, 2016

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

White Plains, New York, January 12, 2016 — You can't always judge a supplement by its label -- or by its price, according to a new report from ConsumerLab.com, which recently tested dozens of multivitamin/multimineral supplements.

Recalls & Warnings

August 03, 2023

Ozona Organics Liquid Probiotics Recalled Due to Risk of Microbial Contamination

On August 1, 2023, Ozona Organics, LLC recalled certain lots of its probiotic supplement, Ozona Probiotics for Digestive Health, also labeled as GoHealthy Probiotics for Infants, Toddlers, and Kids and GoHealthy Probiotics for Infants, Kids, Men, and Women, due to the ...

News Release

May 07, 2014

Flaxseed and Other Popular Seed Oil Supplements Tested by ConsumerLab.com, But Not All Brands Pass -- Flaxseed, Black Currant, Borage and Evening Primrose Oils Reviewed

White Plains, New York, May 7, 2014 — Plant seed oils are popular supplements that provide omega-3 and omega-6 fatty acids, but which products offer the best value and quality? Recent analyses by ConsumerLab.

News Release

April 09, 2014

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

White Plains, New York, August 10, 2014 — Recent laboratory tests of fish oil, krill oil, algal oil, calamari oil, and green-lipped mussel oil supplements by ConsumerLab.com revealed quality problems with four out of 30 supplements selected for review.

News Release

February 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 --

White Plains, New York, February 26, 2014 — Glucosamine, chondroitin, Boswellia, and MSM are popular dietary supplement ingredients for treating symptoms of osteoarthritis — worn joint cartilage.

News Release

November 25, 2013

Many Probiotic Supplements Fall Short on Listed Amounts of Helpful Organisms

White Plains, New York, November 25, 2013 — Probiotic supplements and foods containing "friendly" bacteria or yeast have become popular among people hoping to improve bowel function, immunity, and even mood.

News Release

August 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

August 22, 2012 — The quality of fish oil / omega-3 supplements varies across brands, according to recent tests by ConsumerLab.com, which independently reports on the quality of health products. Analyses of 35 products selected and purchased by ConsumerLab.

News Release

May 08, 2012

Lead Contamination and Mislabeling in Joint Health Supplements with Glucosamine, Chondroitin, and MSM According to ConsumerLab.com

White Plains, New York, May 8, 2012 — Glucosamine, chondroitin, and MSM are popular dietary supplements for treating symptoms of osteoarthritis — worn joint cartilage.

News Release

February 09, 2012

Probiotics grow in popularity but don't always deliver on promises says ConsumerLab.com -- New report provides guidance to consumers

White Plains, New York, February 9, 2012 — Probiotic supplements and foods containing "friendly" bacteria or yeast have become popular options for people hoping to improve bowel function or boost immunity. But many customers are confused by the vast array of choices.

News Release

October 13, 2011

30% of SAM-e supplements selected for review fail to pass ConsumerLab.com testing -- Cost of SAM-e found to vary 5-fold

White Plains, New York, October 13, 2011 — Dietary supplements with SAMe (S-adenosyl-methionine) are used to treat osteoarthritis as well as depression, but only 7 out of ten SAM-e supplements recently selected for testing by ConsumerLab.com met all quality criteria.

News Release

July 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

WHITE PLAINS, NEW YORK — JULY 10, 2009 — Nine supplements for osteoarthritis that ConsumerLab.com recently selected for testing were found to be contaminated with lead, lack all or some of a key ingredient or have other quality problems.

Recalls & Warnings

November 27, 2018

More Dog Food Recalled Due to Risk of Vitamin D Toxicity

On November 27, 2018, Sunshine Mills, Inc. issued a recall of select Evolve Puppy, Sportsman's Pride Large Breed Puppy and Triumph Chicken and Rice Dog Food because they may contain elevated levels of vitamin D.

Recalls & Warnings

November 06, 2018

Dog Food Recalled After Reports of Vitamin D Toxicity

On November 2, 2018, Natural Life Pet Products and Nutrisca issued a recall of certain dry dog foods because they contain elevated levels of vitamin D. The elevated levels of vitamin D were found during an investigation into several reports of vitamin D toxicity by pet owners.

Recalls & Warnings

November 21, 2017

Bones and Packaged "Bone Treats" Dangerous for Dogs

Giving your dog real turkey or chicken bones, or packaged "bone treats" could lead to serious injury or death, the FDA recently warned pet owners. 

Recalls & Warnings

May 05, 2022

Seller of CBD Tinctures, Creams & Pet Products Promoted for Pain, Cancer & More Warned by FDA

On February 11, 2022, the FDA issued a warning letter to Rena’s Organic following a review of the company’s social media and website, which found statements about the company’s 300 mg CBD Full Spectrum Oil Cannabinoid Tincture, 600 mg CBD Full Spectrum Oil Cannabinoid ...

News Release

March 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 Upper Intake Levels

WHITE PLAINS, NEW YORK — MARCH 31, 2009 — Over 30% of multivitamins recently selected for testing by ConsumerLab.com were found to contain significantly more or less ingredient than claimed or were contaminated with lead.

Recalls & Warnings

July 18, 2010

Expansion of Pet Supplement Recall for Salmonella Risk; Many Brands Affected

On July 2, 2010, the U.S.

Recalls & Warnings

February 05, 2019

Hill's Science Diet, Prescription Diet Dog Food Recalled Due to Risk of Vitamin D Toxicity

Recall Expanded (3/20/19): This recall was expanded to include additional products.

Recalls & Warnings

November 26, 2019

FDA Warns Companies Selling CBD Products as Dietary Supplements

On November 25, 2019, the FDA issued warning letters to 15 companies for selling products containing CBD (cannabidiol) labeled and marketed as dietary supplements, and/or for making drug claims about these products.

Recalls & Warnings

April 28, 2020

Natures CBD Oil Distribution Warned for Joint Pain Claims

On April 20, 2020, the FDA issued a warning letter to Homero Corp DBA Natures CBD Oil Distribution, following an inspection of the company's website which found the company's products, including Natures Pure CBD Oil, CBD Froggies 25mg, CBD Froggies 50mg, CBD Edibles 200mg Frogs, CBD ...

Recalls & Warnings

June 22, 2010

Pet Vitamin Recalled for Salmonella Risk

On June 22, 2010, the FDA reported that United Pet Group, Cincinnati, Ohio is voluntarily recalling all unexpired lots of its PRO-PET ADULT DAILY VITAMIN Supplement tablets for Dogs due to possible Salmonella contamination. This product is not among those included in ConsumerLab.

Recalls & Warnings

April 02, 2019

FDA Issues Strong Warnings to Sellers of CBD

On March 28, 2019, the FDA issued warning letters to three companies for making unsubstantiated claims about the health benefits of CBD (cannabidiol) products on their websites.

Recalls & Warnings

February 27, 2018

Dog Treats, Food Recalled Due to Salmonella, Listeria Risk

The following dog treats and dog food are being recalled because they have the potential to be contaminated with Listeria monocytogenes or Salmonella, which can cause illness in pets who consume these products, as well as in pet owners who handle the contaminated products or touch ...