Food Safety Topic Guides

In-depth guides to the most important food safety topics. Each guide covers the science, the ingredients to know, and which products to watch out for.

The Complete Guide to Seed Oils in Food

Seed oils like soybean, canola, sunflower, and corn oil are in nearly every processed food. Learn which seed oils to avoid, why they're controversial, and how to find seed-oil-free products.

Artificial Colors in Food: The Complete Guide

Red 40, Yellow 5, Blue 1 and more — synthetic food dyes are in thousands of products. Learn which are linked to hyperactivity, cancer, and allergies, and which are banned in Europe.

Food Preservatives: Safe vs Dangerous Guide

From BHA to sodium nitrite — some preservatives are perfectly safe while others are linked to cancer. Learn which preservatives to avoid and which are fine.

Added Sugars in Food: The Hidden Sugar Guide

Sugar hides under 50+ different names on food labels. From high fructose corn syrup to maltodextrin — learn how to spot hidden sugars in everyday products.

Ultra-Processed Food (UPF): The Complete Guide

Ultra-processed food makes up 60% of the American diet. Learn what makes food 'ultra-processed', why it's linked to disease, and how to identify it.

Artificial Sweeteners: Safe or Dangerous?

Aspartame, sucralose, stevia, erythritol — are artificial sweeteners safe? Get the evidence-based guide to every sugar substitute on the market.

Food Dyes & Colorants: Natural vs Synthetic Guide

From Red 40 to spirulina — everything about food colorants. Which are natural, which are synthetic, which are banned, and how to avoid harmful dyes.

Heavy Metals & Contaminants in Food

Lead in baby food. Arsenic in rice. Mercury in fish. PFAS in packaging. Learn which foods contain heavy metals and contaminants, and how to minimize exposure.