Find the best products with instant access to our latest tests & reviews of over 1,400 health products.
Save money by finding high-quality products at lower cost.
Stay safe with the latest clinical findings, warnings, and expert answers.
Suggest products to test.
Stay informed with our e-newsletter.
Due to its popularity among CL members, we recently tested Kirkland Triple Action Joint Supplement, which contains a proprietary UC-II cartilage blend. See what we found in our Collagen Supplements Review.
Concerning levels of cadmium, a toxic heavy metal, were recently reported in a popular oats product by a separate testing group. Get the details in our Oats Review, which includes our own results and our Top Picks for rolled and steel-cut oats.
Replacing less healthy fats in the diet with olive oil may be beneficial for heart health and maintaining a healthy weight, but recent studies suggest less benefit for cholesterol levels with too much olive oil, which may also stimulate fat cell production. Learn more in our Extra Virgin Olive Oil Review, including exactly how much olive oil may be beneficial. Also see our Top Picks for extra virgin olive oil.
There are several tests to measure omega-3 fatty acid levels in your blood (e.g., Omega-3 Index, OmegaCheck, and OmegaScore). Find out how they compare and if it’s worth using any of them in our Fish Oil Supplements Review, which includes our Top Picks among fish oil supplements.
Skin care experts typically recommend using sunscreen with an SPF of at least 30, but even higher SPF sunscreen might be better in some cases. Find out why in our article about sunscreens and also see our list of higher SPF sunscreens that we prefer.
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.
Learn about the potential health benefits of L-carnosine, as well as possible safety concerns, drug interactions and cost.
Find out which 8 supplements may be needed by vegetarians or vegans to meet all their daily nutrient requirements and learn ways to find supplements that do not contain ingredients objectionable to people following vegetarian or vegan diets.
Red light and near infrared light therapy devices are promoted for numerous conditions, including acne, fibromyalgia, pain, cognitive function and other uses. Find out if these devices work and if they are safe.
Learn about amla (Indian gooseberry), including its potential health benefits and possible safety concerns.
Due to its popularity among CL members, we recently tested Kirkland Triple Action Joint Supplement, which contains a proprietary UC-II cartilage blend. See what we found in our Collagen Supplements Review.
Concerning levels of cadmium, a toxic heavy metal, were recently reported in a popular oats product by a separate testing group. Get the details in our Oats Review, which includes our own results and our Top Picks for rolled and steel-cut oats.
Replacing less healthy fats in the diet with olive oil may be beneficial for heart health and maintaining a healthy weight, but recent studies suggest less benefit for cholesterol levels with too much olive oil, which may also stimulate fat cell production. Learn more in our Extra Virgin Olive Oil Review, including exactly how much olive oil may be beneficial. Also see our Top Picks for extra virgin olive oil.
There are several tests to measure omega-3 fatty acid levels in your blood (e.g., Omega-3 Index, OmegaCheck, and OmegaScore). Find out how they compare and if it’s worth using any of them in our Fish Oil Supplements Review, which includes our Top Picks among fish oil supplements.
Skin care experts typically recommend using sunscreen with an SPF of at least 30, but even higher SPF sunscreen might be better in some cases. Find out why in our article about sunscreens and also see our list of higher SPF sunscreens that we prefer.
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.
Learn about the potential health benefits of L-carnosine, as well as possible safety concerns, drug interactions and cost.
Find out which 8 supplements may be needed by vegetarians or vegans to meet all their daily nutrient requirements and learn ways to find supplements that do not contain ingredients objectionable to people following vegetarian or vegan diets.
Red light and near infrared light therapy devices are promoted for numerous conditions, including acne, fibromyalgia, pain, cognitive function and other uses. Find out if these devices work and if they are safe.
Learn about amla (Indian gooseberry), including its potential health benefits and possible safety concerns.
June 16, 2025
June 16, 2025
June 16, 2025
June 16, 2025
June 16, 2025
June 16, 2025
June 12, 2025
June 10, 2025
June 09, 2025
June 09, 2025
June 16, 2025
June 12, 2025
June 10, 2025
June 09, 2025
June 09, 2025