The FDA is taking steps to phase out all petroleum-based synthetic dyes, known as Citrus Red 2, Orange B, Green 3, Red 40, ...

Food dyes, blue and green in particular, are the most common cause of green urine. For example, indigo carmine, also known as Blue #2, is a common food dye that can cause green urine, Das says.

Every St. Patrick's Day, a bevy of bars sling beer dyed the color of the shamrock, but we wondered: What else can you dye green?

This chemical is responsible for giving plants their green color. Consuming anything with chlorophyll can turn both stool and urine green.

Here's when St. Patrick's Day 2025 is, the origin of the holiday and what to know about the food dye that colors the holiday's trademark green beer.

Sometimes a supplement, medication, or food can cause your urine to turn green, but it's usually not something you need to be worried about.

They're both now in stores in the US through June 30. The Minecraft Vanilla Green milk uses Blue 1, a food dye that the US government plans to phase out by the end of 2026.

But if you insist on drinking green beer this St. Patrick's Day, consider these five weird, natural ways to enjoy a shamrock-shaded beer.

The artificial green dye, called Fast Green FCF, is produced through chemical synthesis. It’s not as widely used as the other food dyes, but it can be found in processed foods like canned peas ...

Should you be in the mood to change the color of your pee, this is the article for you. Two drugs and one natural product do the job quite vividly. A colorful chemistry lesson, a party trick, and good ...

Here's when St. Patrick's Day 2025 is, the origin of the holiday and what to know about the food dye that colors the holiday's trademark green beer.