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Take These When Using Cipro?

April 24, 2025
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Antibiotics known as fluoroquinolones (such as "Cipro") may cause tendonitis (particularly of the Achilles tendon) weeks after use. A preliminary study suggests that taking vitamin E and selenium supplements may slightly reduce resulting symptoms. For details, see the What It Does section of our Vitamin E Review. Also see our Top Picks for vitamin E and selenium.

Microplastics Linked with High BP, Stroke

April 24, 2025
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Exposure to higher amounts of microplastic was associated with increased risk of several chronic diseases, according to a recent study. Get the details in article about Microplastics in water, salt, foods, and beverages. Also see our Water Filter Pitchers Review for our Top Pick for removing microplastics.

Plasticizers in Starbucks Coffee?

April 24, 2025
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Do popular coffees, such as those from Starbucks, contain concerning levels of toxic plasticizer compounds (phthalates and BPA)? Learn what recent tests showed in our article about coffee.

Heavy Metals in One A Day?

April 24, 2025
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A CL member contacted us this week, concerned by a recent report of heavy metals in prenatal supplements, including a prenatal from One A Day. See our take on these findings in our Multivitamins Review.

Methylene Blue for Anti-Aging or Memory?

April 21, 2025
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What is methylene blue, does it slow aging or improve memory, and is it safe? Find out in our new article about methylene blue.

Are Plastics in Tea Bags Safe?

April 21, 2025
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A plant-based plastic known as PLA is used in some tea bags, but a new study in animals suggests ingesting PLA might have adverse effects. Get the details in the Concerns With Plastic Tea Bags section of our Green Tea Review, which identifies which tea bags include plastic, and which tea companies state they do not use plastic, and see our Top Picks among brewable teas.

Something to Watch Out for With Chaga

April 21, 2025
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If you are looking to purchase a chaga supplement, you may want to avoid a certain type of chaga, according to a recent study. For details, see the ConsumerTips section of our Lion's Mane and Chaga Supplements Review, which includes our Top Picks for chaga as well as for lion’s mane.

Lead in Kid’s Toothpaste and Powders

April 21, 2025
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Recent tests revealed the amounts of lead and other toxic heavy metals in popular toothpastes and powders. Get our take on the findings in our article about toothpaste and other dental products.

Be Careful With AG1

April 21, 2025
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We recently learned that AG1, a popular “greens” supplement, can potentially contain significant amounts of lead and other heavy metals. For details, see the Update in our Greens and Whole Foods Review, which includes how much we found in AG1, and our Top Picks among greens supplements.

A Warning with Detox Supplements

April 17, 2025
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Some "detox" supplements, including BioToxin Binder by CellCore Biosciences, contain a Prop 65 warning. Find out why in our article: Do detox supplements work and are they safe?