High Energy Pelleted Diets for Small Pets — Top 6 UK Choices for 2026

Burgess Excel Rat Nuggets claim a best-in-class spot thanks to their hard pelleted format that prevents selective feeding and delivers a consistent nutrient mix; this makes them cost-effective over time compared with seed or mix-based rations in the list. For the undefined use case they are a pragmatic UK option that balances price and reliable nutrition against the more premium, species-specific Science Selective offerings.

Beaphar Care+ Rat Food combines a veterinary-orientated formulation with pelleted convenience, delivering concentrated energy and digestible proteins that support reproduction and active juveniles while offering added health-focused ingredient choices. Based in the Netherlands and distributed widely in the UK, it sits between economy and premium options—typically priced slightly above mass-market brands like Harringtons but below top-tier Versele-Laga—making it attractive to owners seeking a clinically minded, mid-market option.

Versele-Laga Complete Cuni is a complete, fiber-forward pellet that stands out for supporting dental and gut health with a value-oriented price point; technically its high-fiber formulation and stable vitamin premix give it advantages over seed-heavy mixes and some generalist pellets. Included here under the undefined topic, its Belgium-based distribution and reliable ingredient profile make it a budget-friendly, dependable alternative to more specialized feeds.

Supreme Science Selective Rat & Mouse Food holds a market-leader position due to its species-targeted, research-backed formulation and tighter ingredient control, offering measurable health advantages for long-term care. While typically pricier than Burgess or Oxbow options, its tailored micronutrient profile and technical emphasis on rodent-specific needs justify the premium for users prioritizing precision nutrition in the undefined use case.

Oxbow Essentials Hamster & Gerbil Food is a North American staple that emphasizes natural fibers and forage-style feeding, promoting dental wear and digestive enrichment for small rodents; compared with the pelleted rat products on this list, its mix encourages natural behaviors but can be less efficient if selective feeding occurs. For the undefined selection criteria, Oxbow's strong US presence and focus on smaller species make it a practical mid-priced choice for hamster and gerbil owners.

Science Selective Mouse Food by Supreme Petfoods is the mouse-specific formulation in the Science Selective range, offering finer kibble and adjusted energy density to meet mouse metabolic needs more precisely than a combined rat-and-mouse blend. It carries a slight price premium for that specialization, making it the preferred option in the undefined use case when species-specific nutrient delivery outweighs broader applicability.