Herbal supplements; Herbal supplements for reducing the level of oxidative stress in the oral cavity; Nutraceuticals for use as a dietary supplement; Nutraceuticals for use as a dietary supplement for reducing the level of oxidative stress in the oral cavity; Delivery agents in the form of dry powder mixed with liquid compounds that facilitate the delivery of nutritional supplements; Dietary supplement beverage for reducing the level of oxidative stress in the oral cavity; Dietary supplementa...