Labelled "The Hottest" and "Super Super Hot", the chilli pepper comes with a warning, "Do not touch without gloves".
A 40-year-old farmer, Salvatore Genovese produces 500,000 such chilli peppers every week, the 'Daily Mail' reported.
Chilli pepper's heat is measured in Scoville units, and Genovese's Super Naga measures 1.12 million Scovilles.
The warning, in full block capital letters, also says: "Skin irritant. Avoid contact with eyes. Wash hands thoroughly after preparation to avoid irritation."
"Use with caution. Ideally used in Bangladeshi dishes, its scorching heat combined with a distinctive fruity aroma makes it the chilli of choice for cooks wanting a new experience," the guidelines inside the packet read.
Fans will love the Bedfordshire Super Naga as it has a "wonderful fruity flavour" to match its searing heat level, said a chilli buyer.
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"The heat builds slowly allowing you to savour the full flavour. It's very deceptive because it takes a good 30 seconds for the heat to really start working and then it continues to build for a few minutes.
"It's definitely not for the faint-hearted and should be tasted with extreme caution," he said.
Assam's Bhut Jolokia was certified by the Guinness World Records as the world's hottest chilli in 2007.