The Starbucks Refreshers line of drinks comes in an instant packet form known as Starbucks VIA and is also available in canned carbonated versions. The flagship of these is the company's offering of iced energising juice drinks that are available to purchase in-store.The Starbucks Refreshers line of drinks comes in an instant packet form known as Starbucks VIA and is also available in canned carbonated versions. The flagship of these is the company's offering of iced energising juice drinks that are available to purchase in-store.