When “Junk Science” Is Used Against Supplements: What These Studies Really Show The supplement industry periodically finds itself under renewed scrutiny—often fueled by studies that appear to suggest vitamins and minerals are ineffective or even harmful. Recently, two widely cited studies have been used to reinforce this narrative, providing what some critics call “evidence” that supplements are unnecessary and that diet alone is sufficient for meeting nutrient needs. A closer look tells a very different story. A Climate of Scrutiny and Mistrust Regulatory pressure on supplements has intensified in recent years, with increased attention from the Food and Drug Administration and certain members of United States Congress—often framed as consumer protection, but viewed by many as disproportionately favoring pharmaceutical interests. Against this backdrop, any study questioning supplement safety or usefulness receives outsized attention. The Two Studie…