Supplements may cause a number of reactions in the body, and the most common ones are rashes, shortness of breath, diarrhea, severe joint or muscle pain, slurred speech and blood in the urine. They are also known as food supplements or functional foods. This term was coined in the 1980s. It means a food that provides health benefits or aids in the prevention or treatment of disease.

However, taking dietary health supplements alone doesn't mean that you will gain the desired results. That's why many people use dietary supplements as a complement to their normal diet.

Side effects may result from using supplements, even if the products are certified by the FDA. However, many of them may not be associated with any serious side effects. Some supplements can even prevent heart disease.

Dietary supplements are usually sold over the counter without a prescription. They include multivitamins, protein powders, and herbal and other supplements. There are also homeopathic supplements available in drugstores and online. Most supplements contain natural vitamins, minerals and herbs that come from plants. These supplements may offer the following benefits: