Apr 22, 2024 · Find out the best way to take vitamins and minerals and which vitamins and minerals should be taken together or separately for proper absorption. ConsumerLab answer explains the …

Oct 20, 2025 · 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 …

Nov 14, 2022 · Taking too many vitamin supplements -- or taking too much of a particular supplement -- can have short and long-term adverse effects.

Jun 2, 2025 · Is taking certain supplements and hypothyroidism medications bad? Learn which supplements can interact with thyroid hormone medications like levothyroxine (Synthroid), thyroid …

Apr 29, 2024 · Find out which supplements should be avoided when taking blood thinners (anticoagulants) like warfarin (Coumadin), including vitamin K, St. John's wort, and curcumin.

Apr 25, 2024 · Info on which supplements to avoid before surgery due to increased risk of bleeding or interference with anesthesia.

Nov 22, 2013 · Learn about the interactions between certain supplements and atorvastatin (Lipitor), rosuvastatin (Crestor), and other cholesterol-lowering statins.

Mar 5, 2019 · Find out if supplements or vitamin deficiencies can cause changes in taste, loss of taste or smell. Information about vitamin D, zinc, vitamins A, B6, B12 and others. Plus medications and …

Aug 5, 2024 · Find out which supplements that may cause dizziness, vertigo, or imbalance, including garlic, melatonin, saw palmetto, and red yeast rice.

Apr 23, 2025 · Our Members Asked: I take omeprazole (Prilosec), a proton pump inhibitor, to reduce stomach acid. Are there supplements I should avoid, or be taking, due to this drug?