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How safe are the ingredients in your food?

If, like many Americans, you stock your pantry with processed foods, you may worry about how safe food additives really are.

Over the years, the safety of many food additives, from food dyes to trans fats, has come into question. A scare over a food additive may linger in our minds long after researchers find that there's actually no cause for alarm. It can take years, or even decades, to find out the truth, and sometimes the case is never really closed.

To help you figure out what’s safe, WebMD took a look at the latest research on seven of the most controversial food additives. Here’s what we found:

1. Artificial coloring
What it is

Artificial food colors are chemical dyes used to color food and drinks.

Foods that have it

Many types of processed foods, beverages, and condiments have artificial coloring in them.