They come in many different forms as stated above, and provide one or more of vital sources such as vitamins, minerals, herbs, and amino acids. Although they aren t intended to replace meals, nutritional supplements can be taken to enhance your diet. There are many reasons why you should take nutritional supplements. All vitamins are ideal for staying healthy, as well as keeping your body performing in top shape. Among vitamins and supplements, one of the most common for energy is folic acid. Folic acid is a B vitamin that has been proven to increase energy levels. Even though you can look for vitamins that provide energy, it would be in your best interest to find those that can be effective with fighting fatigue as well. Side effects are very rare, although they happen and may prevent certain individuals from taking these supplements. If you ve been having problems with your bones or just looking to keep your bones healthy, calcium supplements are what you need. You can find them online, or through local nutrition stores such as GNC. It can also help the body produce different sex and stress related hormones within the adrenal glands, among other parts of the body. The vitamin is also useful for helping with sexual dysfunction as well. This can be great news for those who have problems with pleasing their mate. Also very effective with improving circulation, B3 niacin can also help to reduce cholesterol levels found in the blood. If you include healthy foods such as salads, vegetables, and fruit into your diet, you ll be eating healthy. 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. You can take this vitamin with or without any food, as it can be found in supplement form or in many different juices. Along with being found in supplement and vitamin form, you can find vitamin C in broccoli, peppers, oranges, lemon juice, mustard greens, cauliflower, papaya, and parsley. Research in the past has shown that there really aren t any advantages to taking excessive amounts of this vitamin.