The most common causes of deficiency include a poor diet, alcoholism, stress, a lack of vitamins, or medicine that interferes with your ingestion of vitamins. If you are always feeling tired or feeling a lack of energy, you are probably short on the vitamins that your body needs to have on a daily basis. Protein is also beneficial to your health, as it promotes the growth of your muscle. Those of you, who are serious about eating healthy but are unsure where to start, should contact a nutritionist. They will be able to tell you where to start, and how to achieve a healthy diet that will chance your life. As an antioxidant, vitamin E will help to prevent this type of stress, which will prevent the cells from aging or sustaining any type of permanent damage as well. Cholesterol, which is a fatty substance found in many foods, is absorbed by the body then transferred from the liver to be stored by tissue as fat. Supplements that contain phytonutrients do have advantages when compared to certain fruits, such as carrots - which can elevate your blood sugar level to a very high level. Phytonutrients found in supplements are the extract of pigments where nutrients are concentrated, meaning that they draw the best from antioxidant foods, leaving the calories and sugar behind. Those who suffer from lung disease, kidney stones, stomach problems, or diarrhea should always consult with a doctor first to make sure that calcium supplements won t make things worse. If you happen to be pregnant, you should let your doctor know that you are interested in or taking calcium supplements, as that have been known to get into breast milk. The most prominent functions include support of the immune system, joints, tissues, along with aiding in cell growth. Zinc supplements have also been proven to eliminate sexual dysfunction, boost sexual function, aid in the health of the hair, and help with skin wound healing. No matter how you look at it, zinc plays an important role in the function of most of our senses, which includes the ability to taste, smell, and also sight.