Why is Picnic a subscription service? Michael August 25, 2022 20:58 Updated Picnic is a subscription service because we want to ensure you never run out of your allergy treatment when you need it. Get started here! Related articles How do I adjust or modify my Picnic subscription? How do I cancel my Picnic subscription? How does the Picnic Home Allergy Test work? What is the Picnic Refund & Return Policy? Which Picnic allergy treatments should I use? Comments 0 comments Article is closed for comments.