Our bodies need vitamins in small quantities to function properly. The handy infographic below by MedAlertHelp shows that the best source of vitamins is eating the right foods.   Some of the foods you need to eat to attain all the vitamins include spinach, strawberries, liver, eggs, kale, salmon, broccoli, sunflower seeds, mushrooms, sweet potatoes, bananas, soybeans, carrots, and guavas.   However, due to the fear of developing deficiencies, some people believe that supplementing their diet with multivitamins on a daily basis could help prevent them and even improve their…