The world wide market for dietary supplements is growing every day as more and more people, who are deficient of nutrients and vitamins in their body, are beginning to see the positive gains and benefits of using dietary supplements as part of their daily food consumption. So also, the number of pharmaceuticals, health and wellness related firms that are entering in to the dietary supplement sector is on a rapid increase due to the visible figures that reflect the growing global potential for the products. This growth is reflected in the significant range and types of products now available and also ever increasing customer base that are using dietary supplements. Dietary supplements that aid in muscle building and fat loss are flying off the shelves as much as those who have tried weight loss strategies and have lost vital nutrients consequently are also seeking dietary supplements to counter the depletion encountered during weight loss. The dietary supplement products have evolved on gender based requirements as much as it has moved forward in a disease based approach. Even as changes in regulations governing the products, product composition and usage are being brought about, some have also occurred without sound scientific basis for evaluating the safety and efficacy of dietary supplements. There has always lingered an uneasy doubt about the safety and efficacy of some dietary supplements, though the marketing strategies have more or less relied on promoting them as tested, approved and safe for human consumption. Dietary supplements that are available online and over the counter contain a wide variety of ingredients. They may either be single root, shoot or food extracts to counter specific nutritional deficiencies or a combination of many extracts that provide all round health benefits. Natural extracts from food yield the best health returns and it is a well documented fact. You need only worry about the authenticity of the product and the purity of the extract before you buy one as that could make all the difference to what effect it could have on your health. People who are found deficient of certain vitamins and nutrients are prescribed dietary supplements for a variety of reasons. From general enhancement of health and well-being, to health promotion for the lacking or reduction in risk to disease and illness is most often the cause for these supplements are prescribed to those found needing them. Dietary supplements are also taken as alternatives treatment to certain diseases or to complement conventional drug therapies. Even as dietary supplements are marketed as health and wellness improving food extracts, it is always advisable to consume them under medical supervision or as prescribed by the physician and never to alter the prescription without professional consultation. Self medication could result in adverse health reactions and could disrupt the health balance. One simple example is the trace element selenium that is present in poultry and meat. When the amount of selenium increases in the body above the optimal limit, it is found to result in retaining cholesterol which could result in cardio vascular diseases. The author of this article is an expert in finding the best diet weight loss supplements. She has written lots of informative articles about weight loss supplements for young women. She all knows lots of information about the fitness nutrition supplements.