Thera Zinc Spray - Peppermint from Quantum Health is a tasty way to support seasonal wellness. Spraying Thera Zinc in the back of the mouth delivers powerful nutrients to soothe the throat and boost immune function. Each serving size of 8 sprays delivers 7.4 mg of zinc from zinc gluconate. This formula also features soothing menthol, slippery elm and clove bud oil, as well as immune-enhancing echinacea and elderberry.