Around 4.40pm on May 8, £220 worth of goods was stolen from the Holland and Barrett shop on Shirley High Street.
CCTV imagery has now been released of a man that Hampshire police want to speak to in connection to the incident.
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In a CCTV still released by officers, a man with a beard can be seen wearing a gilet, a beige-coloured cap and is carrying a backpack.
A spokesperson for Hampshire police said: “Do you recognise this man? We would like to speak to him following a theft in Southampton.
“As part of our ongoing enquires, we are issuing an image of a man we would like to speak to.
“If you recognise him, or have any information about this incident please call 101 quoting reference 44250203349.”