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We’ve changed our Top Pick whitening toothpaste (for surface stains) due to concerns about its manufacturing. Find out why and see our new Top Pick.
Be aware that some forms of magnesium can interact with the thyroid medication levothyroxine (Synthroid). Get the details in our Magnesium Supplements Review, which includes our Top Picks for magnesium.
Several CL members reported that apple cider vinegar reduced their gastroesophageal reflux (GERD). Is there evidence for this? Find out in our Apple Cider Vinegar Review, which includes our Top Picks for apple cider vinegar and discusses its other potential uses.
When is it better to take minoxidil (for hair) orally rather than topically, and when is it worse? See the latest recommendations.
Does supplementing with olive leaf extract improve hot flashes, bone mineral density, cholesterol levels, or body composition among postmenopausal women? See what a recent study found in our Olive Leaf Extract Review, which includes our Top Picks among olive leaf extracts.
Find out which supplements and foods can help relieve acid reflux, and which can make it worse.
Some people consider bottled water to be a favorable alternative to tap water, but is it really better? Find out how bottled water and tap water compare in terms of taste, mineral content, acidity, and contaminants such as microplastics and PFAS.
Find out which vitamins and supplements can interfere with blood, urine or stool tests, and imaginging tests, like bone scans and MRIs. Learn how B vitamins such as biotin, niacin and riboflavin, as well as calcium supplements, St. John’s wort, vitamin C, and others supplements can affect test results, as well as common foods that may interfere with tests.
Is taking certain supplements and hypothyroidism medications bad? Learn which supplements can interact with thyroid hormone medications like levothyroxine (Synthroid), thyroid hormone levels, and laboratory tests.
Find out which supplements help improve memory, brain function and cognition, including fish oil, some B vitamins, cocoa, and curcumin. ConsumerLab's answer explains the evidence for supplements promoted to help with brain function and cognition.
We’ve changed our Top Pick whitening toothpaste (for surface stains) due to concerns about its manufacturing. Find out why and see our new Top Pick.
Be aware that some forms of magnesium can interact with the thyroid medication levothyroxine (Synthroid). Get the details in our Magnesium Supplements Review, which includes our Top Picks for magnesium.
Several CL members reported that apple cider vinegar reduced their gastroesophageal reflux (GERD). Is there evidence for this? Find out in our Apple Cider Vinegar Review, which includes our Top Picks for apple cider vinegar and discusses its other potential uses.
When is it better to take minoxidil (for hair) orally rather than topically, and when is it worse? See the latest recommendations.
Does supplementing with olive leaf extract improve hot flashes, bone mineral density, cholesterol levels, or body composition among postmenopausal women? See what a recent study found in our Olive Leaf Extract Review, which includes our Top Picks among olive leaf extracts.
Find out which supplements and foods can help relieve acid reflux, and which can make it worse.
Some people consider bottled water to be a favorable alternative to tap water, but is it really better? Find out how bottled water and tap water compare in terms of taste, mineral content, acidity, and contaminants such as microplastics and PFAS.
Find out which vitamins and supplements can interfere with blood, urine or stool tests, and imaginging tests, like bone scans and MRIs. Learn how B vitamins such as biotin, niacin and riboflavin, as well as calcium supplements, St. John’s wort, vitamin C, and others supplements can affect test results, as well as common foods that may interfere with tests.
Is taking certain supplements and hypothyroidism medications bad? Learn which supplements can interact with thyroid hormone medications like levothyroxine (Synthroid), thyroid hormone levels, and laboratory tests.
Find out which supplements help improve memory, brain function and cognition, including fish oil, some B vitamins, cocoa, and curcumin. ConsumerLab's answer explains the evidence for supplements promoted to help with brain function and cognition.
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