SupplementenVergelijk.nl is an online comparison platform for horse supplements and a module of VoerVergelijk.nl, a Dutch website for comparing horse feed. It helps horse owners search for, compare, and review supplements, with tools to compare two products, browse by brand, and explore an extensive database. The site includes only orally administered supplements that are not veterinary medicines.

Products listed include powders, oils, seeds, and other supplements from brands such as Hayguard, Fibra Paardenvoeders, and Equilin. Visitors can look up available products, read or write reviews, and use detailed filters to find options related to particular needs. The searchable categories cover areas including digestion, joints, hooves, respiratory health, skin and coat, muscles, performance, behavior, vitamins, and minerals.

The website also provides a knowledge section and information about the service, alongside brand and product browsing features. By bringing product details and user reviews together, SupplementenVergelijk.nl aims to make it easier for horse owners to explore the supplement market and compare products that may suit their horses.