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August
Does Fish Oil Slow Cognitive Decline? -- (8/29/2015) Results of a large U.S. study suggest that taking fish oil does not slow cognitive decline in the elderly. Before you nix fish oil for this purpose, be aware of an important caveat about the people in the study. Get the details about this and other studies of omega-3 fatty acids, as well as our tests of popular products, in the Fish Oil and Omega-3 Fatty Acid Supplements Review >>
Do We Need More Vitamin E? -- (8/26/2015) A study recently suggested that many Americans don't get optimal intake of vitamin E from their diets. A closer look at this study, however, indicates that most people in the U.S. shouldn't worry. For details see the ConsumerTips section of the Vitamin E Supplements Review >>
Are Green Tea Pills Safe? -- (8/25/2015) Studies have suggested that extracts of green tea can reduce the risk of certain cancers, improve memory, shrink uterine fibroids, and even help with weight reduction. However, liver toxicity has been a concern with green tea extracts. A large, government-funded study recently found that pills of green tea extract can be safe for many people, but some may experience adverse reactions, including elevated liver enzymes. Get the details in the "Concerns and Cautions" section of the Green Tea Review, along with information about what green tea does and our tests of green tea extracts, brewable teas, and beverages >>
Cocoa Increases Blood Flow to Brain -- (8/19/2015) A small study found that drinking a cocoa drink high in flavanols significantly increased blood flow to the brain, which, the researchers propose, might have potential cognitive benefits. Get the details, including dosage, plus more about cocoa and memory, and our tests of popular products, in the Cocoa Supplements and Dark Chocolate Review >>
Vitamin D Reduces Risk of Falls -- (8/19/2015) A recent study found that in older adults, many of whom had insufficient levels of vitamin D and a history of falls, vitamin D supplementation reduced the number of reported falls by almost half. Get the details, including dosage, and our tests of popular products, in the Vitamin D Supplements Review »
Curcumin May Reduce Muscle Pain After Exercise -- (8/12/2015) A small study has reported that curcumin reduced muscle pain after exercise in young, healthy men. Get the details, including dosage, plus more about curcumin for other types pain and our tests of popular products, in the Turmeric and Curcumin Supplements Review >>
Lutein, Zeaxanthin & Meso-Zeaxanthin for Macular Degeneration -- (8/12/2015) A recent study comparing three different lutein and zeaxanthin formulas found each significantly increased macular pigmentation in men and women with early age-related macular degeneration. Get the details, including dosage, and our tests of popular lutein and zeaxanthin products, in the Vision Supplements Review »
Green Tea May Inhibit Starch Absorption -- (8/9/2015) A study recently found that taking a green tea extract along with a starchy meal (corn flakes) significantly reduced carbohydrate absorption. This may help explain why green tea may help modestly with weight management. Details about this study, including dosage, along with our tests of green tea supplements and teas, are found in the Green Tea Review »
More Evidence Against Too Much Vitamin D -- (8/5/2015) A well-controlled study has shown that post-menopausal women do not benefit from taking vitamin D when they are not truly deficient. Get the details on appropriate dosage and use of vitamin D, as well as product test results, in the Vitamin D Supplements Review >>
Adverse Reactions with St. John's Wort -- (8/5/2015) A recent analysis found adverse reactions associated with St. John's wort were similar to those reported for the prescription SSRI antidepressant fluoxetine (Prozac), and serious adverse reactions were most likely to occur when the herb was taken in addition to a prescription drug. Get the details, plus more about concerns and potential drug interactions and our tests of popular supplements in the St. John's wort Supplements Review >>
Vitamin D and Inflammation -- (8/2/2015) A new study of elderly people given vitamin D showed little effect on markers of inflammation in the body. Correcting very low levels of vitamin D may be helpful, but further raising vitamin levels does not seem necessary for proper immune function. In fact, there may be some downside. For details about this and other uses for vitamin D (and our product test results), see the Vitamin D Supplements Review >>
Prebiotics for Immune Health -- (8/2/2015) Prebiotics are complex sugars which can support the growth of probiotic organisms in the gut. A recent study reported a specific type of prebiotic increased amounts of beneficial bacteria and improved certain markers of immune function in older men and women. Get the details, including dosage, plus our tests of popular probiotics and prebiotics in the Probiotic Supplements Review >>


 

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