They are often called MICRONUTIRENTS because they are needed in relatively small amounts but they are essential to life for proper growth and metabolism. So, how do we shop for and select a supplement? First, the supplements should be manufactured with a high standard of quality control in place to avoid toxic substances and contamination. Also, check expiration dates to assure the product will be used before the recommended end date. Remember, small pills are easier to swallow than large, and isotonic solutions (those designed to mix with water) are more easily absorbed than solid pill forms. Lastly, if you are taking any prescription medications, check with your primary care doctor for contraindications and/or interactions of ingredients. Using dietary supplements may be your insurance policy to better health.