Only one jar from the batch is known to have been contaminated with the bacteria Clostridium botulinum but the Foods Standards Agency is advising people not to eat products from this batch as a precautionary measure.
The affected batch are 350g jars of Loyd Grossman Korma sauce with a best before date of February 2013 - batch code 1218R 07:21.
No other Loyd Grossman products are thought to be affected.
Symptoms of botulism, which normally begin 12 to 36 hours after eating the contaminated food, include blurred vision, difficulty swallowing and difficulty speaking.
They are then followed by general muscle weakness.
Anyone who has consumed this product and is concerned about the symptoms above should seek urgent medical advice.
Outside of normal hours, they can contact NHS Direct on 0845 4647 (England and Wales) or NHS 24.