That old standby, calcium, has lasting anti-cancer effects. These supplements may offer protection from colon polyps up to four years after you stop taking them.
D016588:Anticarcinogenic Agents / Q000009:adverse effects / Q000627:therapeutic use*; D002118:Calcium / Q000009:adverse effects / Q000627:therapeutic use*; D003111:Colonic Polyps / Q000517:prevention & control*; D006801:Humans
D016588:Anticarcinogenic Agents; D002118:Calcium