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Tartaric acid (E334)
Tartaric acid is a acidity regulator used in wine, sweets, baked goods.. EFSA has published no numeric acceptable daily intake for it.
What it does
The acid of grapes.
Where you meet it
Wine, sweets, baked goods.
This page describes the general scientific position. Allergies and sensitivities are individual: if your body disagrees with an additive, avoid it regardless of any ADI.
Sources: EFSA — food additives re-evaluations · Open Food Facts — additives taxonomy · checked 2026-09-03
Frequently asked questions
What is Tartaric acid (E334)?
Acidity regulator. The acid of grapes. It is used in Wine, sweets, baked goods.
How much tartaric acid is safe?
EFSA published no numeric ADI, which usually means the substance is so benign that no limit needed to be set — or that intake is self-limiting. The assessment itself is still a full safety evaluation.
Should I avoid tartaric acid?
For a healthy adult there is no reason to avoid it at typical intakes. If you have a diagnosed sensitivity or a health condition, your clinician's advice is the one that counts.
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