The Headliner Collagen Tea - Antioxidant rich black loose leaf tea 70g Pack (approx. 30 serves)\ This collagen tea formulation has been blended to really impact your system, boost energy, help treat digestion, and detoxify your system. Black tea is renowned for its’ antioxidant properties ( think flavonoids), as well as boosting heart health, and promoting so many other benefits! A natural caffeine-fix, black tea also contains catechins (the powerful antioxidants in tea that fight cancer-causing cells and help prevent heart disease), tannins (the naturally occurring chemical compounds that give black tea their astringency), guanine (a natural stimulant) and xanthine (another natural stimulant, similar to caffeine). It’s these antioxidants and polyphenols which are found in black tea that are associated with a number of health benefits! So, the complex flavonoids found in black tea are actually polyphenols that aid in disease prevention.