Medically reviewed by Kristie Reed, PharmD Creatine is a popular supplement used to increase muscle size and strength. The ...

Vitamin D is a popular supplement, but it can have harmful interactions with various medications. High blood pressure and seizure medications are just some of the drugs that may not mix well. Talk ...

Fiber may also impair the effectiveness of other drugs, including digoxin (which treats certain heart conditions) and ...

Alcohol can interact dangerously with common medications and supplements. Learn which combinations to avoid and how to reduce ...

Some vitamins are stronger when paired with others. Experts share the most powerful nutrient combinations — and the ones you ...

Dr. Mimi Guarneri answers the question: 'Interaction of Drugs And Supplements?' Jan. 13, 2010 -- Question: How do I know if a vitamin, supplement, or herb will interact with any drugs that I may also ...

Milk can interfere with the absorption of some vitamins, minerals, and medications, which may make the supplements or medications less effective.

A neurologist explains how common medications can cause vitamin B12 deficiency, damage nerves over time, and trigger numbness ...

Americans are taking more prescription medications. They also are taking more supplements — everything from vitamin and mineral pills to fish and flax seed oils. The natural result: More are combining ...

Like the old woman who lived in a shoe, the medical scientists who housekeep for vitamins have an unmanageable lot of charges. At present, for example, chemists believe that there are eight varieties ...

People who use oral steroid medications may be at greater-than-average risk of a serious vitamin D deficiency, a new study suggests. The findings, reported in the Journal of Clinical Endocrinology & ...