FDA: Is Food Safe if it Has Chemicals?

You may have seen news or online content about chemicals in our foods. Perhaps you’re wondering, is a food safe to eat if it contains chemicals?

All our food — like everything in the world — is made up of chemicals. The presence of a chemical alone isn’t what determines whether a food is safe to eat. To assess the safety of chemicals in food, scientists at the U.S. Food and Drug Administration and others worldwide look at information about the chemical’s safety, as well as how much of a chemical is in the food and how much a person eats or drinks. It’s the amount that counts.

Our Food is Chemicals: Facts, Science and Safety

What does it mean that food is made up of chemicals? Chemicals exist in whole foods and provide nutrition, like potassium in bananas, for example. The water, protein, fats, and carbohydrates we need for a healthy, balanced diet are chemicals, too.

Some chemicals are added to food for nutritional benefits, like milk fortified with vitamins A and D, or to protect food from spoiling or to prevent pathogens (germs) that could make people sick. Chemicals also add flavor and enhance food in other ways.

There are some chemicals, like contaminants in the environment, that get into food when crops absorb them from the soil or air. Some contaminants are naturally present in the environment and are hard to completely eliminate. Others are in the environment because of industrial emissions and other human-made pollution.

Chemical Exposure Through Food: It’s the Amount That Counts

A basic principle in science is that any chemical has the potential to be harmful at a certain level. That means a person would have to eat or drink enough to reach the harmful level. For some chemicals, that level is very low, and for others, the level is higher.

Let’s apply that to sodium as an example. Sodium is important for maintaining blood pressure and is also needed for nerves, muscles and other body tissues to work properly. Too much sodium can raise blood pressure to unhealthy levels, which is a major risk factor for heart disease and stroke. The Dietary Guidelines for Americans, 2020-2025 recommends limiting sodium intake to 2,300 mg per day for people 14 years and older; and even less for those 13 years and younger. That’s why the FDA issued guidance to help the food industry make reasonable reductions in sodium across a wide variety of foods.

Determining Safe Amounts: The Science Behind FDA Food Chemical Safety

The FDA evaluates and monitors chemicals in FDA-regulated food to ensure they don’t pose a health risk.

There’s a lot of calculation and consideration that goes into scientifically assessing safe amounts of chemicals in food. That applies to chemicals that are used in packaging, added to food, contaminants from the environment, or chemicals that can form when raw foods are cooked and processed.

The FDA has different ways to scientifically assess the safe amount of a chemical in food by comparing the amount someone is likely to consume in a day, with a variety of other safety data. For example, when evaluating a chemical as a food additive, such as aspartame, the FDA determines an Acceptable Daily Intake. That’s the amount safe to consume each day over the course of a person’s lifetime. The FDA intentionally determines an Acceptable Daily Intake at a level that includes a safety margin that ensures the amount people eat every day is much lower than the level known to have a possible adverse health effect. The difference between the safe level and the harmful level is called the safety margin, which is a term used around the world by scientific experts working to protect consumers from the harmful effects of too much of any chemical.

Here are some of the many factors FDA scientists weigh when looking at food chemical safety:

  • The chemical, why it is in the food and what’s known about its safety.
  • The amount of the chemical in food.
  • The amount and types of food that include the chemical a person would likely eat or drink.
  • Groups of people who may be particularly sensitive such as children, people who are pregnant and older people.

One way the FDA monitors our food supply to help keep it safe is through the Total Diet Study, which is a routine survey that began more than 60 years ago. FDA researchers buy food from the same retail outlets that people buy food from, then prepare the food as people typically would, to provide realistic estimates of the nutrients and contaminants in food. The information the FDA gets from this study and other monitoring programs guide us and inform our public health initiatives, such as working to get the levels of environmental contaminants children may be exposed to Closer to Zero.

While the FDA and industry share the responsibility of ensuring food is safe, it is the manufacturer’s responsibility to make sure they market food that meets the FDA requirements that apply. The FDA will act when chemicals are in food at unsafe amounts.

Points to Consider When Reading About Chemicals in Food

Reading or hearing about chemicals in food, when combined with words like “toxic,” “extremely dangerous” and “cancer-causing” may be scary, especially if you aren’t getting all the facts.

Here are a few points to help you navigate information about chemicals in food:

  • More complete information from a credible medical and scientific source would likely explain how much of the chemical is in the food, how much of a food someone actually eats or drinks and whether the chemical is present at a level that is harmful to people.
  • Chemical names may sound complicated but that does not mean they are not safe. Some may be ingredients you are familiar with. For example, tocopherols are vitamin E, sodium chloride is salt, and dihydrogen monoxide is water.
  • Some chemicals safely used in food may have other non-food uses. For example, vinegar is used as a household cleaner but also is used in small amounts in food. If used in food, a chemical must meet the FDA’s safety standard.

Making Food Choices

Eating a variety of nutrient-dense food can help reduce your exposure to any one chemical. Whether you cook from scratch or buy some prepared or packaged items, remember:

  • Eat a variety of vegetables, fruits, whole grains, lower-fat dairy, protein food and certain oils.
  • Eat and drink fewer foods and beverages high in saturated fat, sodium or added sugars.

Food choices are yours to make. The FDA wants to help make sure you have sound information to make the choices that work best for you and your family.

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4 COMMENTS

  1. All you need to know about the FDA concerning this article – and all other areas which the FDA controls – is by googling simply the words, “who funds the FDA”……same for the CDC.
    Hmmmm……Isn’t it amazing that the govt has money for everything under the sun besides these crucial agencies which are controlled in part by the very same industries they are suppose to regulate?
    Let’s put it another way…..the system was set up on purpose to support corruption.
    There are currently about 100,000 chemicals in the food system with most of it never tested and definitely not together. Eating as much whole foods and avoiding as much processed food as possible is the best way to protect yourselves and especially your children. Start reading the ingredients and being aware of what you are ingesting. You cannot rely on these people…..

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