Te
Tetrasodium Glutamate Diacetate
Tetrasodium Glutamate Diacetate
An amino-acid-derived metal binder that keeps stray metals from spoiling a formula — a more biodegradable EDTA alternative.
What it does
Made from the amino acid glutamic acid, it binds stray metals that would otherwise make a product unstable, change its color or weaken its preservatives, much like EDTA. Brands choose it because it breaks down more easily in the environment. It works in small amounts and doesn’t act on skin.
The evidence, graded
expert consensusUS safety reviewers (2025) assessed tetrasodium glutamate diacetate, which products use to bind metals, and judged it safe as used. A second metal binder in the same report had too little data to judge.Burnett 2025 · International Journal of Toxicology ↗
Graded per the methodology: strong · moderate · emerging · expert consensus. A weak source on a strong claim gets the weaker label.
Also known as
gluadin, dissolvine gl
Browse all 1238 ingredients — grouped by what they do, each with whatever evidence we can cite.
This page is public so a shared ingredient card always has its sources behind it — and so you can check them without an account.
Want more like this?
Every evidence-based flag cites its source, Drop tells you when your routine is complete, and it helps you simplify — instead of selling you more. The app launches on iOS and Android in October 2026. Rate my routine works today at /rate — no sign-in.