Ingredient · Updated
FD&C Blue No. 1
Found in 3 products
What is FD&C Blue No. 1?
FD&C Blue No. 1, also known as Brilliant Blue FCF, is a synthetic dye produced from aromatic hydrocarbons found in coal tar and oil. It appears as a bright blue colorant commonly used in foods, drinks, and cosmetics.
This coloring agent is favored for its vibrant hue and is often used to make products visually appealing. The health evidence on FD&C Blue No. 1 largely supports its safety, but some studies in animals have shown adverse effects at high doses. While human studies are less definitive, regulatory bodies generally consider it safe within approved limits.
When you see FD&C Blue No. 1 on a label, understand its primary function is aesthetic, with oversight ensuring its safety in specified amounts.
Commonly found in: candies, beverages, baked goods, frozen desserts, cosmetics, toothpaste
What to watch
- High doses in animal studies have shown potential for allergic reactions.
The FDA has approved FD&C Blue No. 1 for use in food, drugs, and cosmetics, considering it safe at regulated levels.
Research shows mixed results; it's considered safe by regulatory approvals, but some animal studies suggest caution at high doses.
FD&C Blue No. 1 is synthetic and not derived from animals, so it aligns with a typical vegan diet.
Sources: Color Additives Approved for Use in the United States
Scout's take
Synthetic petroleum-derived dye (Brilliant Blue FCF). No nutritional or oral-health justification — purely cosmetic. Linked to hyperactivity in children in Southampton-style studies; banned or warning-labeled in several European countries.
The case against
May cause allergic reactions and hyperactivity in sensitive individuals.
from the analysis of Electrolit Blue Raspberry Electrolyte Hydration Beverage - 21 fl oz BottleMore from Scout's analyses
Synthetic petroleum-derived dye (Brilliant Blue FCF). Banned in several European countries; flagged by the Center for Science in the Public Interest as a hyperactivity trigger in children. No nutritional or oral-health justification.
from the analysis of Crest Cavity Protection Regular Paste ToothpasteFD&C Blue No. 1 is an artificial dye used to color the beverage. It is associated with potential allergic reactions and hyperactivity in sensitive individuals. It is a synthetic additive with no nutritional benefits.
from the analysis of Electrolit Blue Raspberry Electrolyte Hydration Beverage - 21 fl oz BottleAll 3 products with FD&C Blue No. 1
Where FD&C Blue No. 1 shows up
- Toothpaste 2 products
- Hydration 1 product
Higher-scoring picks without FD&C Blue No. 1
Products from the same categories whose analyzed ingredient list does not include FD&C Blue No. 1, scoring 80 or above.
Scan any product to see every ingredient explained — and healthier swaps.