Ingredient Guides
Long-form, evidence-based guides on food ingredients and additives — GRAS substances, allergen labeling rules, seed oil science, and how to read ingredient lists like a pro. Every guide links to our ingredient checker so you can verify claims instantly.
GRAS (Generally Recognized as Safe): What FDA Approval Actually Means for Food Additives
How the FDA regulates food additives, the GRAS loophole that lets companies self-certify safety, why thousands of chemicals in food have never been reviewed by FDA, and what "FDA approved" actually means.
The 10 Most Common Food Additives and What They Actually Do
A practical guide to the 10 food additives you encounter most in US packaged foods — what each one is, why it's used, and what the safety evidence shows.
"Natural" vs "Organic" vs "Non-GMO": What Each Label Legally Requires
The legal definitions behind the three most misunderstood food labels — what "natural" means (almost nothing), what "organic" certifies, and what "Non-GMO Project Verified" actually tests.
Food Allergen Labeling: The Big 9 and What FALCPA Requires
The federal allergen labeling law (FALCPA + FASTER Act), the 9 major allergens that must be declared, "may contain" advisory statements, and the regulatory gaps that still leave allergic consumers at risk.
Seed Oils: What the Science Actually Says vs Social Media Claims
The evidence on seed oils (canola, soybean, sunflower, corn) — the linoleic acid hypothesis, the oxidation concern, what randomized trials actually show, and why social media claims diverge from clinical evidence.
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