Blackmores Turmeric One-A-Day contains LongVida – an easily absorbed form of curcumin – the active component in turmeric. Curcumin is rich in antioxidants, to support digestive comfort and reduce free radicals forming in the body to promote general health and wellbeing 15: Optimised Curcumin, the active ingredient in Turmeric, with antioxidant properties supporting joint health, digestive comfort.