Unpacking the Cherry Slushie: Why it's so Red
Many consumers are surprised to learn that the intense, almost neon red of a typical cherry slushie comes from a lab, not a cherry orchard. The vast majority of mass-produced cherry-flavored beverages, including slushies, rely on artificial colorants to achieve their signature look. These dyes, particularly Red 40, are cost-effective and provide a consistent, appealing color that natural ingredients cannot. The red hue signals 'cherry' flavor to our brains, even though the flavor itself is also often artificial.
The Ingredients that Create the Color
When examining the ingredient list for a popular cherry slushie, such as one from ICEE, you will find FD&C Red #40 listed explicitly. Other brands, like Slush Puppie, also clearly list Red 40 in their cherry-flavored slush ingredients. The recipe includes a mix of water, high fructose corn syrup, artificial flavors, and preservatives. The synthetic red dye is simply one more chemical added to create the desired aesthetic effect.
What is Red 40?
Red 40, also known as Allura Red AC, is a synthetic azo dye made from petroleum. Approved by the U.S. Food and Drug Administration (FDA) since 1971, it is used in countless food products to enhance color. It is important to distinguish Red 40 from the now-banned Red 3 (erythrosine), which was prohibited from food use in 2025 due to potential cancer links in animal studies. While the FDA considers Red 40 safe, and sets an Acceptable Daily Intake (ADI), a growing body of research and public concern continues to raise questions about its safety, especially for children.
Potential Health Concerns Associated with Red 40
For some individuals, especially children with Attention-Deficit/Hyperactivity Disorder (ADHD), a sensitivity to artificial food dyes has been reported. Studies have noted that eliminating these dyes from the diet of some children improved behavior, though a definitive link in the general population has not been established. Other reported side effects, while rare, include allergic reactions manifesting as hives or swelling, and in more serious cases, anaphylaxis. Some animal studies have also raised concerns about potential DNA damage and impact on gut health at high concentrations, but more human research is needed.
A Comparison of Natural vs. Artificial Coloring
| Feature | Artificial Red Coloring (e.g., Red 40) | Natural Red Coloring (e.g., Beet Juice) | 
|---|---|---|
| Source | Petroleum-based synthetic chemicals | Derived from fruits, vegetables, or spices | 
| Cost | Inexpensive for manufacturers | Typically more expensive | 
| Color Consistency | Highly stable and uniform | May vary depending on source and processing | 
| Health Concerns | Linked to hyperactivity in some children; contains potential carcinogen contaminants | Generally considered safer; some natural colorings like carmine come from insects | 
| Labeling | Explicitly listed as 'Red 40' or 'Allura Red AC' | Often listed as 'fruit and vegetable juice' for color | 
How to Identify Red 40 on Labels
The best way to determine if a product contains Red 40 is to read the ingredient label carefully. Manufacturers are required to list all certified color additives by name. Look for 'FD&C Red #40' or 'Red 40'. While some products may simply list 'artificial color,' brands that are transparent and label the specific dye are doing their due diligence. For those seeking alternatives, look for products that specify colors derived from natural sources, such as vegetable or fruit juice extracts.
Navigating the World of Slushies
As a consumer, you have the power to make informed choices based on your health priorities. If you are concerned about Red 40, opting for homemade slushies using real fruit and vegetable-based juices is a simple solution. Many brands are also shifting towards natural colorings in response to consumer demand. Staying informed about food additives empowers you to choose products that align with your dietary and health needs.
Conclusion
In conclusion, the short answer is yes, virtually all commercial cherry slushies contain Red 40, a synthetic food dye derived from petroleum. This additive provides the bright, consistent color that consumers expect but comes with potential health considerations for some individuals. By reading ingredient labels and understanding what Red 40 is, you can make more conscious decisions about what you and your family consume. As the push for healthier, more natural ingredients continues, more options free of artificial dyes are becoming available, giving consumers a choice beyond the brightly colored, artificially flavored mainstream products.
Frequently Asked Questions
Question: Is Red 40 made from cherries? Answer: No, Red 40 is a synthetic azo dye derived from petroleum, not from cherries or any other fruit.
Question: Can Red 40 affect children's behavior? Answer: Some studies suggest a link between Red 40 consumption and worsened hyperactivity in certain sensitive children, particularly those with ADHD. Some European countries even require a warning label.
Question: Are there natural alternatives to Red 40 in drinks? Answer: Yes, manufacturers can use natural colorings from sources like beet juice, pomegranate, or hibiscus to achieve a reddish color.
Question: How can I tell if a food product contains Red 40? Answer: You must read the ingredient list on the product label. Look for terms like 'FD&C Red #40' or 'Allura Red AC'.
Question: Is Red 40 banned in the United States? Answer: No, Red 40 is currently an FDA-approved color additive, though its cousin, Red 3, was banned in 2025.
Question: What are some other names for Red 40? Answer: Besides Allura Red AC, Red 40 can also be referred to as Food Red 17, Curry Red, E 129, and CI 16035.
Question: Does Red 40 cause cancer? Answer: While Red 40 is contaminated with some known carcinogens, it has not been officially classified as a carcinogen itself. Animal studies have shown conflicting results and more human research is needed.