Here is your roundup for the latest product news.

To submit an item for inclusion, please contact Rodney Jack at [email protected] or Inês Coutinho at [email protected].

• Challenger brand shakes up UK’s fish aisle with ready-to-eat tuna steaks
• Isle of Mull Cheese unveils Hebridean Cream Liqueur made from cheesemaking whey
• Sold-out Amsterdam protein exhibition puts scale-up costs and investment under scrutiny
• Absolute Collagen champions ageing powerfully over anti-ageing