Social media drove 2024’s diet trends, from the meat-heavy Carnivore Diet to the quirky “rat snacking” habit. While some trends, like cucumber salads and dense bean salads, supported gut health with fibre and hydration, others, like extreme food exclusions, posed risks. Looking ahead to 2025, gut health remains key: prioritising fibre, fermented foods, and hydration will support overall well-being beyond fleeting fads.