You can’t hide from a poor diet. People who rely on popular vitamin and mineral supplements to make up for deficiencies in daily nutrient intake are likely just wasting their money on expensive pills, a new study shows. According to a five-year study that ran from 2012 to 2017, the most common supplements — vitamin C, vitamin D, calcium, and multivitamins — surprisingly did nothing to prevent health threats like heart attacks, cardiovascular disease, strokes, or death. “We were surprised to find so few positive effects of the most common supplements that people consume,” said Dr. David Jenkins, the study’s lead author, in a statement. “Our review found that if you want to use multivitamins, vitamin D, calcium or vitamin C, it does no harm — but there is no apparent advantage either.” The study was published the Journal of the American College of Cardiology and examined the use of A, B1, B2,…