Potassium tartrates
Function: Acidity regulators
E336 is the European food-additive number for Potassium tartrates, an acidity regulator — used to control and stabilise the pH of a food. Potassium tartrates (E336) is a food additive used as a food additive.
What is E336 used for?
Potassium tartrates (E336) is an acidity regulator — used to control and stabilise the pH of a food. It is added during food production for a technological purpose rather than for nutrition. See all Acidity regulators (E-numbers).
Is E336 safe or restricted?
E336 is approved for use in the EU. It sits among the additives EFSA keeps under ongoing review as new evidence is published. Forkin classifies it as “Under monitoring” and does not make health claims. See the methodology for how regulatory levels are assigned, or the guide to how EU additives are approved, re-evaluated and banned.
Is E336 vegan or vegetarian?
Potassium tartrates (E336) is typically produced from plant, mineral, or synthetic sources, so it is generally suitable for vegans and vegetarians.
The production source can vary between manufacturers — the Forkin app shows the verified vegan and vegetarian status per product. Always read the label for allergens.
Which foods contain E336?
E336 appears in 3,643 of the 4.7 million products in Forkin's catalogue — most often in Biscuits & Cookies, Cakes, and Bread.
- Biscuits & Cookies291
- Cakes273
- Bread167
- Chocolate Candy161
- Candy & Sweets151
- Cake Mixes149
- Extruded Snacks149
- Cakes & Pastries100
Often appears alongside
Additives most frequently found in the same ingredient lists as E336 across the catalogue.
Counts reflect Forkin's independently enriched product catalogue and update as new products are added — they are not a market-share statistic.
Frequently asked questions about E336
- What is E336?
- E336 is the E-number for Potassium tartrates, an acidity regulator — used to control and stabilise the pH of a food. Potassium tartrates (E336) is a food additive used as a food additive.
- What is E336 used for?
- Potassium tartrates (E336) is an acidity regulator — used to control and stabilise the pH of a food. Manufacturers add it during processing rather than for nutrition. The Forkin app shows which products in your scan history actually contain it.
- Which foods contain E336?
- E336 appears in 3,643 of the 4.7 million products in Forkin's catalogue — most often in Biscuits & Cookies, Cakes, and Bread. Scan any barcode with the Forkin app to see instantly whether a specific product contains it.
- Is E336 vegan or vegetarian?
- Potassium tartrates (E336) is typically produced from plant, mineral, or synthetic sources, so it is generally suitable for vegans and vegetarians. The Forkin app shows the verified vegan and vegetarian status per product, since the source can vary between manufacturers.
- Is E336 safe, and is it banned anywhere?
- E336 is approved for use in the EU. It sits among the additives EFSA keeps under ongoing review as new evidence is published. Forkin classifies it as ‘Under monitoring’ and does not make health claims — see the methodology page for how regulatory levels are assigned, and the Forkin app for the full profile, including acceptable daily intake (ADI) and restrictions by country.
See the full profile in Forkin
The Forkin app surfaces the full regulatory profile of E336 — acceptable daily intake (ADI), restrictions by country, vegan and vegetarian status, alternative names, and which products in your scan history contain it. See view pricing.