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Search Term: vitamin K

Drug Profiles | Worst Pills, Best Pills Newsletter Articles

Drug and Dietary Supplement Profiles

A comprehensive review of the safety and effectiveness of this drug. If the drug is not a Do Not Use product, information on adverse effects, drug interactions and how to use the medication are included.
Search results below include drug profiles where your selected drug is a secondary subject of discussion
  • orlistat (ALLI, XENICAL)
    We list this drug as a Do Not Use drug because it has not been shown to cause long-term health benefits.

Worst Pills, Best Pills Newsletter Articles

Search results below include Worst Pills, Best Pills Newsletter Articles where your selected drug is a secondary subject of discussion
  • Do Not Use the New Blood Thinner Edoxaban (SAVAYSA) [hide all summaries]
    (November 2017)
    Learn why edoxaban, one of the new blood thinners approved by the FDA, is not the best option for preventing dangerous blood clots in patients with atrial fibrillation.
  • Genetic Tests Not Useful for Managing Warfarin Dosing, According to New Studies [hide all summaries]
    (July 2014)
    In 2007, the FDA enthusiastically suggested that newly available genetic tests would help doctors select the best dose of warfarin — one of the oldest and most widely prescribed blood thinners (anticoagulants) — for individual patients. Find out why the FDA’s enthusiasm about the promise of genetic testing in the management of warfarin dosing was premature and overstated.
  • The Diet Drug Orlistat (XENICAL) and Gallstones [hide all summaries]
    (June 2007)
    Yet another problem has been detected with this diet drug whose approval we opposed and that we have been attempting to get banned. The FDA found 37 cases of gall stones in patients using orlistat. This, in addition to inhibiting the absorption of important vitamins such as A, D, E and K as well as evidence that the drug can cause pre-cancerous abnormalities in the colon of animals, further emphasizes why this barely effective drug should not be used, either in the prescription version called Xenical or the about-to-appear over-the-counter version, Alli.

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