Food & additives
FDA’s Threshold of Regulation Proposal, Explained
Learn what FDA’s proposed threshold of regulation change could mean for food ingredients, how its exposure criteria work, and why it is not yet a final rule.
The Toxic Scan Journal
A closer look at
what you buy.
Practical guides to food labels, personal care, and everyday ingredients. A little more understanding before your next shop.
Explore the guides
42 guides to help you look closer
Food & additives
Rotisserie Chicken Food Safety: A Practical Guide
Learn how to transport rotisserie chicken, refrigerate it within the safe time window, store leftovers for 3 to 4 days, and reheat them to 165°F safely.
Food & additives
Dented Cans and Food Safety: When to Keep or Toss One
Learn which small can dents are usually safe, which damage can compromise a seal, and what to do with bulging, leaking, or suspicious canned food at home.
Food & additives
Aluminum Foil Food Storage: What to Know
Learn when aluminum foil can transfer metal to food, which foods to keep separate, and practical storage choices based on food-safety guidance from regulators.
Food & additives
Potassium Chloride in Food: How to Read the Label
Learn what potassium chloride does, what FDA’s 2026 salt-substitute rule changes, how to compare sodium and potassium on labels, and who should take care.
Food & additives
Sucralose and the Gut Microbiome: 2026 Evidence
See what 2026 research found about sucralose and the gut microbiome, why studies disagree, and how to read E 955 on food labels with useful context today.
Food & additives
Potassium Bromate in Bread: A 2026 Label Guide
Learn why potassium bromate is used in bread, how U.S. and California rules differ, what labels reveal, and practical ways to compare baked goods safely.
Food & additives
Orange B and Citrus Red No. 2: What Changed
See why FDA revoked Orange B and proposed removing Citrus Red No. 2, where the dyes were allowed, and what the changes mean for food labels and shoppers.
Food & additives
E 962: What Aspartame-Acesulfame Salt Means
Learn what E 962 is, how it differs from aspartame and acesulfame K, what EFSA's 2026 review found, and how to read sweetener labels with context today.
Food & additives
Reb M Stevia: What This Sweetener Label Means
Learn what Reb M stevia is, how enzymatic production differs from leaf extraction, what EFSA's 2026 opinion found, and how to read modern sweetener labels.
Food & additives
Phthalates in Food Packaging: FDA's 2026 Review
Understand FDA's 2026 phthalates review, where these plasticizers may enter food-contact systems, what labels omit, and practical ways to reduce exposure.
Food & additives
Azodicarbonamide in Bread: What Labels Reveal
Learn why FDA is reassessing azodicarbonamide in bread, how it appears on ingredient labels, what baking changes, and how to compare products wisely today.