KHOA JOURNAL

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Explore rooibos through research, origin, preparation, products and the people and places behind South Africa’s distinctive red bush tea.

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Rooibos leaves and brewed rooibos tea representing scientific research into rooibos

The Science of Rooibos: What Human Research Actually Shows

Rooibos has attracted scientific interest for its polyphenols, antioxidant activity and possible relationship with cardiovascular and metabolic markers. Here is what human research has actually found so far, and where…

6 min read

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Rooibos Education

Red Rooibos vs Green Rooibos: What Is the Difference?

Red and green rooibos come from the same South African plant. The main difference is what happens after harvest. Here is how processing…

7 min read

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