Get vitamin A in foods like red bell peppers, sweet potatoes and eggs. But talk to a health care provider before trying a vitamin A supplement. Researchers wanted to know, too, so they conducted a ...

Dear Dr. Roach: If I am taking vitamin A, what is a reasonable dose? I have seen reports that taking too much can cause liver damage, but nobody says how much is a problem. — M.E.B. Dear M.E.B.: I ...

Dear Dr. Roach: If I am taking vitamin A, what is a reasonable dose? I have seen reports that taking too much can cause liver damage, but nobody says how much is a problem. — M.E.B. Answer: I think ...

A neurologist has warned that excessive intake of three popular supplements—zinc, vitamin A, and vitamin D—may be toxic to the brain. While these nutrients are essential in moderation, overuse can ...

NEW YORK, Aug 31: A new study published in Nutrients has sparked new insights into the relationship between vitamin A intake and cancer risk. Conducted at four major university hospitals in Vietnam, ...