Allergies have been the bane of my existence since I was a teenager. Anyone with allergies knows this isn't a melodramatic statement. Hay fever, itchy nose and throat and red, puffy eyes -- it's the worst. And since every year I seem to become immune to a new type of allergy medicine, this year I'll be trying nettle tea. Stinging nettle is a natural antihistamine. While research is still out on what exactly it is about nettle that helps with allergies, it has been shown to improve sneezing and itching. The NYU Langone Medical Center states the studied dosage is 300 milligrams twice a day of freeze-dried nettle leaf, but you can also add honey and other herbs for taste. Click here for a recipe from the Gardenista.