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Does taking vitamin D reduce knee pain or improve function in people with knee osteoarthritis? See what a recent study suggests in the Osteoarthritis section of our Vitamin D Supplements Review, which includes our Top Pick for vitamin D.
Also see: Which supplements help with arthritis?
Is it helpful to take melatonin when taking a proton-pump inhibitor (PPI) to improve symptoms of gastroesophageal reflux disease (GERD)? See what the latest study found in the Other uses section of our Melatonin Supplements Review, which includes our Top Picks for melatonin.
Also see: Which supplements, foods or diet and lifestyle changes help relieve acid reflux (heartburn), and which worsen it?
Did taking soy protein with isoflavones reduce wrinkles, pigmentation, or dry skin in postmenopausal women? Find out what a recent study showed in the Soy section of our Menopause Supplements Review.
Also see our article about supplements for tightening skin as well as our Top Pick collagen supplement for skin.
Do any supplements help build and maintain muscle and strength as we age? Find out in our article about supplements and age-related muscle loss.
When taken as a supplement, activated charcoal can affect the absorption of nutrients and medications. Learn more in our article about flatulence.
Is iodine from seaweed absorbed as well as iodine from iodine pills? Find out in the What It Does section of our Seaweed Snacks and Foods Review. Also see our Top Pick among seaweed snacks.
Can digestive enzyme supplements work as well as prescription enzymes for chronic pancreatitis, and can any other supplements help? Find out, plus, learn if any supplements can cause pancreatitis, in our new article about supplements and pancreatitis.
Does biotin help nails to grow faster? Find out what research suggests, and also learn which topical treatment for hair growth may help nails to grow, in the Biotin section of our B Vitamin Supplements Review, which includes our Top Picks for biotin and other B vitamins.
Each U.S. household can now order a set of four at-home COVID tests from the government. Get the details in our article about the best COVID tests.