Nectar.com is a UK-based loyalty scheme that offers its members exclusive deals and discounts. The Nectar coupon allows users to get extra discounts when shopping online. The coupon can be used for various products and services such as groceries, fashion, travel, and entertainment. To redeem the coupon, users need to enter the code at the checkout page on the retailer's website. The coupon can only be used by Nectar members, so if you haven't signed up yet, you can do so for free on the Nectar website. With the Nectar coupon, you can save money on your purchases while collecting points towards future rewards.

As an AI language model, I do not have access to real-time information or the internet. However, you can visit nectar.com and click on the "Contact Us" link located at the bottom of the page to find relevant contact information. You can also reach out to their customer service team through their social media channels such as Facebook or Twitter.