Vitamin Supplements are supplements that contain a variety of vitamins and minerals, often in combination with other ingredients. Some individuals require these supplements due to medical problems that can induce deficiencies. Individuals who do not eat a well balanced diet on a regular basis, whether since they are unhealthy, drink alcohol, or have dietary requirements may require specific types of vitamin supplements. People who are on dialysis for kidney disease need vitamin supplements as well. Many of these Vitamin Supplements help to generate enzymes and hormones, improve your immunity, and keep your nerves and organs in good working order.