$2.00 per ounce. This refreshing Spearmint tea dates back to ancient Rome for indigestion but was not used formally in medicine until the mid-18th century. A refreshing steam treatment can also be prepared using Spearmint leaves, for the skin and the respiratory system. Non-GMO. Herb Identity Guaranteed. This product has NEVER been irradiated or fumigated with Ethylene oxide gas. This product does NOT contain dairy, wheat, gluten, peanuts, soy or corn allergens. This leaf is suitable for the following preparations: Tea InfusionExtract/tincture.