Do you consume a varied, balanced diet to grow taller. With some exceptions, supplements usually aren't necessary. If you're healthy and if you're able and willing to eat a balanced, varied diet. You probably can get the vitamins and minerals you need from smart food choices. According to national studies, most Americans have enough healthful foods available to do that, yet they may not. Under some circumstances, vitamin/mineral supplements offer benefits and are advised; like those for growing taller.