Antinol UK

Based in the UK, Antinol UK, operates as a provider of canine and feline nutraceuticals. Based in London, the UK and founded in 2009, Antinol UK, operates as a provider of canine and feline nutraceuticals. The company specializes in joint supplements for pets, particularly dogs and cats, utilizing a unique marine lipid complex derived from sustainably sourced New Zealand Green Lipped Mussels. In October 2025, Five Arrows acquired a majority stake in Antinol UK.

Financial terms were not disclosed, but the acquisition enables Antinol UK to accelerate international expansion, broaden its product portfolio, and pursue strategic acquisitions. Antinol UK specializes in producing joint supplements for pets, specifically dogs and cats, formulated with PCSO-524®, a unique marine lipid complex derived from sustainably sourced New Zealand Green Lipped Mussels. Their flagship product, Antinol®, supports pet mobility, joint care, coat health, and overall vitality, addressing issues related to aging and active lifestyles. The supplements contain a rich array of omega-3 fatty acids, including ETA, DHA, and EPA, in a concentrated oil extract format, distinguishing them from traditional mussel powders and other isolated omega oils.

Antinol UK serves a wide client base, including pet owners, veterinary professionals, and specialty retailers, primarily across the UK and other international markets. Revenue generation for Antinol UK primarily occurs through direct-to-consumer sales and subscriptions for their pet supplements. Customers can purchase Antinol® through various channels, including the company's online platform and authorized retailers, with options for bulk purchasing or individual units. The company features a subscription model that provides a discount on recurring orders, promoting customer retention and steady sales flow.

Pricing for individual products typically varies depending on package size, and customers can opt for Starter Packs during their initial purchase, which come with a money-back guarantee. The company plans to accelerate international expansion, broaden its product portfolio, and pursue strategic acquisitions following the acquisition by Five Arrows.