Rooibos shows promise in curbing diabetes

A South African study on the benefits of rooibos is proving just how healthy rooibos is for you. Yet another reason why BOS is not just an ice tea:


On 14 November 2019 – World Diabetes Day – the world will focus on this silent, killer disease that is fast escalating into a global health epidemic. Obesity is directly associated with development of type 2 diabetes.

A group of leading South African researchers are focusing their attention on a unique South African herbal tea – Rooibos – and specifically its anti-diabetic and anti-obesity properties. Dr Johan Louw at the Diabetes Discovery Platform at the Medical Research Council (MRC) and Prof Lizette Joubert at the Agricultural Research Council (ARC) are jointly supervising the research project. They are collaborating with an international biotechnology group – the MC2 Biotek Group.

“In healthy people, their cells take up and use glucose effectively and the process is controlled by the insulin hormone, but in diabetics these processes are impaired,” Louw explains. “We have obtained encouraging results for Rooibos extracts in our pre-clinical studies with diabetic animals, as well as in cell models, showing that compounds in Rooibos can play a role in these processes.”

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