Allergy alertFSA
Viennetta Vanilla recalled over undeclared milk and soya
Unilever are recalling Viennetta Vanilla because milk and soya are not listed in English on the label. This means the product is a possible health risk for anyone with an allergy or intolerance to milk or milk constituents and/or an allergy to soya. This is a result of a labelling error which means allergens and product information are in Spanish. This only affects products sold at Tesco stores in the UK.
Check your product
Only products that match these details are covered. Have your pack in front of you.
2 identifiers listed for this notice.
Viennetta Vanilla (Vainilla) 650ml
- Batch codePrinted on the pack, often next to the date mark. It may start with L or LOT.
- L4031BC020
- Best beforeOn the lid, base or back of the pack.
- January 2026
What to do now
This is an allergy alert: milk and soya is in Viennetta Vanilla without being properly declared. If you or someone you buy for avoids milk and soya, do not eat it.
- If you are allergic to or intolerant of milk and soya, do not eat it.
- Make sure children, carers and anyone you shop for know not to eat it.
- Return it to the shop where you bought it for a full refund, with or without a receipt.
- Only the packs listed below are affected, so check your pack before throwing it away.
Why it matters. Milk allergy is one of the most common food allergies in children. People who avoid milk because of lactose intolerance may also react, though usually less severely.
Symptoms and when to get help
Look out for
- an itchy, tingling mouth
- a raised itchy rash (hives)
- swelling of the lips, face or eyes
- stomach pain or being sick
Get help urgently
- swelling of the tongue or throat, difficulty breathing or swallowing, wheezing, feeling faint, or collapse — use an adrenaline auto-injector if you have one and call 999, saying it is anaphylaxis
This is general information based on NHS public guidance, not medical advice. In an emergency call 999. For urgent advice use NHS 111 (NHS 24 on 111 in Scotland) or, in Northern Ireland, your GP or out-of-hours service.
Getting your money back
Shops selling the product will display a point-of-sale notice and accept returns. You are entitled to your money back; you are not obliged to accept a voucher or replacement unless you want one.
Under the Consumer Rights Act 2015, food must be of satisfactory quality and as described. A recalled product does not meet that standard.
From the official notice
Published by the Food Standards Agency (FSA-AA-15-2024). Quoted as issued.
Summary
Unilever are recalling Viennetta Vanilla because milk and soya are not listed in English on the label. This means the product is a possible health risk for anyone with an allergy or intolerance to milk or milk constituents and/or an allergy to soya. This is a result of a labelling error which means allergens and product information are in Spanish. This only affects products sold at Tesco stores in the UK.
The risk
Milk and Soya
This product contains milk and may contain soya making it a possible health risk for anyone with an allergy or intolerance to milk or milk constituents and/or an allergy to soya.
Action taken
Unilever is recalling the above product from customers and has contacted the relevant allergy support organisations, which will tell their members about the recall. The company has also issued a point-of-sale notice to its customers. These notices explain to customers why the
Advice to consumers
If you have bought the above product and have an allergy or intolerance to milk or milk constituents and/or an allergy to soya, do not eat it. Instead, contact the Unilever careline team for further guidance on 0800146252 or email ukicare@unilever.com.
Open the FSA notice
Questions
Why has Viennetta Vanilla been recalled?
This is an allergy alert: milk and soya is in Viennetta Vanilla without being properly declared. If you or someone you buy for avoids milk and soya, do not eat it. Milk allergy is one of the most common food allergies in children. People who avoid milk because of lactose intolerance may also react, though usually less severely.
How do I know if my product is affected?
Compare the batch code and best before on your product with the details listed under “Check your product” on this page. Only items that match are covered by the notice.
What should I do now?
If you are allergic to or intolerant of milk and soya, do not eat it. Make sure children, carers and anyone you shop for know not to eat it.
Can I get a refund?
Shops selling the product will display a point-of-sale notice and accept returns. You are entitled to your money back; you are not obliged to accept a voucher or replacement unless you want one. Under the Consumer Rights Act 2015, food must be of satisfactory quality and as described. A recalled product does not meet that standard.
Is it safe for people without this allergy?
Yes. An allergy alert means the label is wrong for people who must avoid milk and soya. If nobody in your home is allergic to or intolerant of milk and soya, the product is not otherwise unsafe, although you can still return it.

