Recalls & Warnings (17)

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Clinical Updates (24)

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7/08/2020

Vitamin D & Osteoarthritis

Vitamin D may, in certain situations, reduce knee pain and improve function in people with knee osteoarthritis (due to worn cartilage). Vitamin D may also reduce foot pain associated with knee osteoarthritis, according to a recently published study. For details, see the Osteoarthritis section of the Vitamin D Supplements Review. Also see our Top Picks among vitamin D supplements.
1/09/2018

Curcumin for Knee Osteoarthritis

A type of curcumin that has been Approved for Quality by ConsumerLab.com was found to be modestly effective in treating symptoms of knee osteoarthritis in a recently published study. For details see the Osteoarthritis section of the Turmeric & Curcumin Supplements Review.  

The same study found that combining curcumin with boswellia may be advantageous. Learn more about this and other popular supplements for joint health in the Joint Supplements Review >>
6/04/2016

Osteoarthritis and Vitamin D

A large, long-term study among older people with knee osteoarthritis found no benefit from taking vitamin D. More details about this -- and about vitamin D for many other conditions -- are found in the "What It Does" section in our Vitamin D Supplements Review >>
12/17/2016

Ashwagandha for Knee Osteoarthritis

A new study in which people with mild knee osteoarthritis were given ashwagandha supplements daily showed significant improvements in pain and inflammation. For more details about this and other studies with ashwagandha, as well as our reviews of products, see the "What It Does" section of the Ashwagandha Supplements Review >>
6/07/2017

Chondroitin Matches Celebrex for Knee Pain

A type of chondroitin was found to reduce the pain of knee osteoarthritis as much as the drug Celebrex, although not as quickly. Due to potential side-effects with Celebrex, the researchers suggested that this form of chondroitin be considered a first-line therapy for knee osteoarthritis. For details, including dosage, see the "What It Does" section of the Joint Supplements Review (Glucosamine, Chondroitin, MSM, and Boswellia), which includes CL’s tests and comparisons of products.
6/03/2014

Curcumin for Knee Osteoarthritis

A new study found that curcumin taken for six weeks significantly improved physical functioning and reduced pain among people with osteoarthritis of the knee. For details, as well as our tests of similar curcumin products, see the update to the Turmeric and Curcumin Supplements and Spices Review >>
8/30/2019

Glucosamine for Hand Osteoarthritis?

A new study suggests that glucosamine may help people with hand osteoarthritis. Get the details in the What It Does section of the Joint Health Supplements Review. Also see our Top Picks for joint health supplements.
3/09/2019

Boswellia for Osteoarthritis

Boswellia extract may reduce the pain and stiffness of knee osteoarthritis. See results of a recent study in the What It Does section of the Joint Health Supplements Review. Also see our Top Picks for Boswellia and other joint health supplements.
5/05/2020

CBD for Osteoarthritis Pain

A recent study, conducted in dogs, showed promise for CBD in reducing pain and inflammation due to osteoarthritis (pain due to worn joints). See the details in the What It Does section of the CBD and Hemp Extracts Review. Also see our Top Picks for CBD for people and for pets.
1/13/2013

Vitamin D and Knee Arthritis?

Can taking vitamin D reduce the pain and progression of osteoarthritis of the knee? A new study found no benefit for people who already had sufficient levels of vitamin D. In fact, these people needed more anti-inflammatory medication during the study than those given placebo. However, as seen in many other studies of vitamin D, people who entered the study deficient in vitamin D appeared to benefit from being given vitamin D, experiencing reduced pain. For more details, see the update in the Vitamin D Supplements Review, which includes our tests of vitamin D supplements. If you suffer from osteoarthritis of the knee or other joints, also read about glucosamine and chondroitin, as supplements with these ingredients may help. We have tested many of these products.
9/25/2011

Chondroitin Improves Hand Arthritis

Do you or someone you know have osteoarthritis of the hand? A new study found that highly purified chondroitin can reduce pain and stiffness and increase function. You need to give it some time, though. Get the details in the update in the Joint Health Supplements ReviewMore >>
2/26/2019

Does CBD Cream Help?

Does CBD cream decrease muscle soreness following exercise? Does CBD gel help with knee pain from osteoarthritis? Learn what recent studies have found in the What It Does section of the CBD and Hemp Extract Review. Also see our Top Picks for CBD oils and topical products.
9/20/2016

Curcumin for Arthritis

An analysis of several clinical studies showed compelling evidence that curcumin (extracted from turmeric) can be effective in treating symptoms of osteoarthritis as well as rheumatoid arthritis. For details, including dosage, see the "What It Does" section of the Turmeric and Curcumin Supplements and Spices Review >>
1/31/2017

Omega-3s for Arthritis

A review of twenty-two clinical studies using omega-3 fatty acid supplements from various marine sources (fish oil, mussel oil, etc.) found they could be effective in reducing rheumatoid arthritis pain, particularly when the oils had a certain ratio of EPA to DHA. The oils were not effective for osteoarthritis. For more details, see the "What It Does" section of the Fish Oil Supplements Review (which includes our tests of products) >>
2/08/2020

Glucosamine and Blood Sugar

Glucosamine (used to treat osteoarthritis) is a type of sugar, so does its daily use affect blood sugar levels and one's risk of developing diabetes? Find out in the Concerns and Cautions section of the Joint Health Review. Also see our Top Picks for Glucosamine, Chondroitin, MSM, and Boswellia supplements.
3/28/2020

Collagen for the Skin

Supplementing with collagen to improve aging skin is popular, but does it work? The latest study with collagen used a higher dose than other studies, but is a higher dose better? Find out in the What It Does section of the Collagen Supplements Review. Also see our Top Picks for collagen for wrinkles and for osteoarthritis.
3/08/2016

Knee Arthritis & Vitamin D

People with knee osteoarthritis (worn joints) and generally low vitamin D levels given vitamin D for 2 years showed greater improvement in some, but not all, symptoms compared to those given a placebo. Get the details (as well as our product test results) in the Vitamin D Supplements Review >>
4/23/2016

Curcumin and Cognition

Curcumin (from turmeric) has been shown to provide anti-inflammatory effects, helpful in osteoarthritis and gastrointestinal conditions, and even an anti-depressant effect. A recent long-term study evaluated its effects on cognition and memory in older people. See the results in the "What It Does" section of the Turmeric/Curcumin Supplements Review (which includes our tests of popular products) >>
4/26/2016

Knee Supplements Studied

A recent clinical trial evaluated glucosamine with chondroitin versus placebo for reducing pain and improving function in people with osteoarthritis of the knee. See the details, along with results of our tests of popular supplements, see our Review of Glucosamine, Chondroitin, MSM and Boswellia Supplements for Joint Health >>
8/11/2018

CBD for Dogs

Can CBD help dogs with osteoarthritis (worn joints)? Learn what a recent study found (as well as the dose used and a potential side effect) in the CBD for Pets section of the CBD & Hemp Supplements Review. (Also see our Top Picks for CBD for pets – as well as for people).
3/03/2020

Do Glucosamine & Chondroitin Work?

After reviewing the clinical literature regarding glucosamine and chondroitin for osteoarthritis, an expert group drew conclusions regarding their efficacy. Find out what they concluded in the What It Does section of the Joint Health Supplements Review. Also see our Top Picks for glucosamine, chondroitin and other joint health supplements.
7/28/2020

Fish Oil for Arthritis?

Fish oil has shown modest benefits in rheumatoid arthritis, but can it help with osteoarthritis -- inflammation due to worn joints? Find out what a recently published study showed in the What It Does section of the Fish Oil Supplements Review. Also see our Top Picks for fish oil.
9/18/2020

Turmeric for Knee Pain?

Can turmeric reduce pain and swelling in people with knee osteoarthritis? Find out what a recent study showed in the What It Does section of our Turmeric and Curcumin Supplements and Spices Review. Also see our Top Picks among curcumin and turmeric supplements.
3/08/2014

Glucosamine & Chondroitin Help Maintain Knee Joint

A 2-year study in people with osteoarthritis of the knee found that those who took a combination of glucosamine and chondroitin had only half the amount of narrowing of the knee joint space as those who took placebo. This beneficial finding differs from that of another large study published several years ago which did not find a benefit on joint space. The new study used a different form of glucosamine than the previous study. Get the details, as well as our tests of supplements with these ingredients, in the updated Joint Health Supplements Review (Glucosamine, Chondroitin, MSM and Boswellia) >>   

News Releases (19)

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