Glucono Delta-Lactone
This is what the ingredient is.
Glucono delta-lactone (GDL) is a naturally occurring food additive that slowly releases acid when dissolved in water.
Here is why it shows up on the label.
Used as a slow-acting acidifier in tofu production, leavening systems, and meat processing. Provides gradual pH reduction.
Here is what food agencies say.
The FDA lists it as Generally Recognized as Safe. European food agencies allow it, with no specified ADI. Widely permitted internationally.
Here is what research has found.
an FAO/WHO expert committee confirms safety. Converts to gluconic acid in the body. Natural component of honey and fruit juices.
Here are a few things worth knowing.
Generally safe. No significant concerns at food-use levels.
Sources
- FDA CFR 21
- EFSA Panel on Food Additives
- JECFA
How to read this page
We publish plain facts about this ingredient so a label is easier to read. This is not medical advice, and it is not a recommendation to buy, avoid, or use anything. For a personal health question, talk with a clinician who knows your history.