About EnduraBol^®

Our History

Back in 1988 our manufacturing partner, Rumbol Products, was established by Dr Norman Ritchie, a scholar and lecturer in agricultural nutrition at the University of Glasgow, who produced the world's first patented sustained release bolus. Then in 1993, Rumbol became the silent bolus manufacturing partner for a global distributor. Fast forward to 2019, the Rumbol factory suffered a catastrophic fire, destroying the manufacturing facility and ending the partnership with the global distributor. Moving on to July 2020, a deal was agreed with the Denis Brinicombe Group to lead the global joint venture with Rumbol to produce boluses in a newly-built factory in Clydebank, Scotland. Two months later, in September 2020, the first boluses, using the same patented technology, but under the new brand - EnduraBol® - became available to purchase from trade merchants and vet practices via the Denis Brinicombe Group's trade arm, B2B Nutrition.