In vitro tests comparing rooibos to green tea, black tea, and oolong showed fermented rooibos to have slightly less antioxidant activity than green tea, but more than black or oolong tea.27 Rooibos also contains vitamin C, minerals, quercetin, luteolin, rutin, and numerous other flavonoids that contribute to its antispasmodic, hypoallergenic, and antioxidant properties.28 Studies in Japan indicated anticancer, antiinflammatory, and even antiviral activity for rooibos tea.29 In South Africa, it is clinically used for people who suffer from nervous tension, allergies, and various stomach and digestive problems
To the benefit of Canadians, in the 1980s Health Canada eventually abandoned its hopes that lower tar cigarettes would save lives and that it could motivate companies to market their products in ways which reduced harm
Its authoritative tone of voice also contributed to adding credibility to the claim
Remember, consistency is key in ensuring long-lasting results
The arguments I present are carefully documented from the scientific and medical literature