Foods Containing E634 (Calcium 5-Ribonucleotides)
E634 (Calcium 5-Ribonucleotides) is a flavour enhancer (animal or yeast) used in crisps and snack foods, instant noodles. Here are the foods where you'll find it on the label.
Common foods that contain E634
- crisps and snack foods
- instant noodles
- soups
- sauces
- processed meats
- ready meals
In the UK and EU, E634 must be declared either as "E634" or as "Calcium 5-Ribonucleotides" in the ingredients list.
Is E634 safe?
EFSA has reviewed E634 and considers it safe for human consumption at the levels used in food. No credible evidence links Calcium 5-Ribonucleotides to harm at normal dietary intakes.
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Reduce or replace E634
Products relevant to E634 and your dietary choices
MSG-Free Seasoning
Natural umami seasonings — yeast flakes, seaweed, herbs — without E6xx.
Natural Flavour Blends
Stock, seasoning blends and umami without synthetic enhancers.
Food Sensitivity Test
Check which flavour enhancers or additives are affecting you.
Frequently asked questions
What foods contain E634?
E634 (Calcium 5-Ribonucleotides) is commonly found in crisps and snack foods, instant noodles, soups, sauces, processed meats. It must be declared on UK/EU labels as either "E634" or "Calcium 5-Ribonucleotides".
Is E634 safe?
EFSA has reviewed E634 and considers it safe for human consumption at the levels used in food. No credible evidence links Calcium 5-Ribonucleotides to harm at normal dietary intakes.
Is E634 vegan?
E634 source varies: animal or yeast. Cannot be confirmed vegan without manufacturer verification.
Data: Open Food Facts (ODbL) · EFSA