Everything You Need To Know About Synthetic Food Dyes: Information with a Scientific Foundation

Everything You Need to Know About Synthetic Food Dyes

By Dr. Rebecca Bevans and Dr. Lorne Hofseth

Synthetic food dyes are among the most widely consumed chemical additives in the modern diet, yet few consumers, clinicians, or policymakers understand the scope of the scientific evidence surrounding their safety.

This book provides the most comprehensive, evidence-based examination of synthetic food dyes currently available to the public.

Written by two scientists and professors, Everything You Need to Know About Synthetic Food Dyes synthesizes findings from over 173 peer-reviewed research articles spanning toxicology, neuroscience, immunology, developmental psychology, and cancer biology. The result is a clear, accessible, and rigorously sourced analysis of how FDA-approved synthetic dyes are used, regulated, and studied, and what the science actually shows.

Across ten focused chapters, the authors examine each major synthetic food dye still permitted in the U.S. food supply, translating complex research into plain language while preserving scientific accuracy. The book explores both short-term effects, including behavioral changes, hypersensitivity reactions, and attention-related outcomes, and long-term concerns related to chronic inflammation, metabolic disruption, immune effects, and disease risk.

Rather than relying on anecdote or alarmism, this book emphasizes:
• What is known
• What remains uncertain
• Where regulatory standards diverge from current scientific evidence

Inside the book:
• A dye-by-dye analysis of FDA-approved synthetic food colorants and the research behind their safety evaluations
• A historical and political overview of U.S. food dye regulation, including the Delaney Clause and its legacy
• A comparison of U.S. policy with international approaches to food dye regulation
• An examination of recent regulatory changes, including U.S. bans and phase-outs announced through 2025
• Practical, realistic guidance for reducing dietary exposure without extreme or impractical lifestyle changes

Designed for parents, educators, clinicians, researchers, and informed consumers, this book serves as both an introduction to the topic and a long-term reference, complete with citations that allow readers to verify, explore, and evaluate the evidence for themselves.

Everything You Need to Know About Synthetic Food Dyes does not tell readers what to think.
It gives them the scientific tools to decide.