News
Short, dated and cited. Newest first.
April 2026
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Why Cold-Water Swimmers Warm Up on Rooibos: No Caffeine to Spike the Heart
The reason a caffeine-free cup earns a place in a marathon swimmer's cold-water fuel schedule, illustrated by Karen Kennedy's quadruple Robben Island crossing.
March 2026
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How Long to Steep for the Most Out of a Cup, According to a Beirut Lab
A Lebanese food-science team ran red rooibos through twelve extraction trials at different temperatures and times and found a practical sweet spot, close to the model's best balance of yield and antioxidant strength, at 90 degrees Celsius for ten minutes.
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Rooibos Keeps Turning Up in Detective Fiction, Now on Apple TV+
The red bush has a quiet habit of appearing in crime stories, from McCall Smith and Deon Meyer to a shared cup of rooibos tea in the Apple TV+ thriller Down Cemetery Road.
February 2026
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Ordinary Water Leaves Rooibos Unchanged, Stellenbosch Finds
Stellenbosch University and ARC researchers tested rooibos infusions against water of different pH and mineral content. Ordinary water left the cup unchanged; only water at the pH and mineral extremes measurably dulled it.
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