Rooibos extract (Aspalathus linearis)
Tier 2 — promising · Antioxidant · Skin · Cardiovascular
A South African herbal tea rich in unique antioxidants including aspalathin and nothofagin. Caffeine-free with confirmed antioxidant activity. Small trials show modest cardiovascular benefits. Excellent safety record including during pregnancy. Very limited evidence as a supplement — the tea form is better studied.
Dose: 3–6 cups/day as tea or 500 mg/day extract; caffeine-free; excellent safety record