HuffPost receives a share from retailers on this page, which helps support our journalism. Prices and availability are subject to change. Read more about sulfite allergies and wine at Cleveland Clinic . Drop It recommends 1–2 drops for each glass of white wine, 2–3 for a glass of red, and 7–9 if you're treating the whole bottle at once. Once it's in the glass, swirl lightly for 20 seconds, and you should be good to go! BuzzFeed Shopping editor Elizabeth Lilly says, "I've tried these before on