Pungent, cool, fresh, menthol. Peppermint is a classic herb infusion, good for digestion. Caffeine Level: No Caffeine. Country of Origin: United States. Ingredients: Peppermint. Steeping Suggestions: Use one teaspoon (3g) of tea per 6oz cup of water. Steep at 100°C (212°F) for 4-10 minutes.