You can try new products from Tesco for FREE with their product testing service Tesco Orchard. Sign up to their service, take surveys and you'll receive food or drink to test. Share your feedback by completing reviews and other activities.
To get free stuff from Tesco, click 'GET FREEBIE' and join their new Orchard product testing service on the linked page. You will be sent new products to test from time to time from Tesco based on your interests and shopping habits. Share your thoughts with friends online and in person and leave feedback.
The more you participate, the more free stuff you will receive to test.